Manual Backwash Valve

5 inches to 20 inches in 5 available body styles to match application specific requirements. This could cause the rubber diverter gasket inside the valve to come loose or break, which will in turn cause water to leak out of the wrong ports while it’s running. Email [email protected] The control valve will perform backwash functions. - The Survey Manual (SM) establishes long-standing policies, standards, and instructions of USGS organizations. Stainless Steel Ball Valves. Valves Quick Coupling Valves. On all units except a carbon filter (see note below), allow to backwash the factory preset time of 10 minutes or until water becomes clear at the drain. Good Economical Whole House GAC Carbon Water Filter System. • Use valve caps to keep the valves clear of debris and to help guard against inflation pressure loss. or sand filters with no risk of dead-heading. professional valve provider leading, Shipbuilding, Marine Engine, LNG service, Offshore, Onshore and Nuclear, control valve, 코밸. This guide shows you how to operate a Hayward two function Slide Valve. Grab the Slide Valve handle and pull the shaft. Heater cool down or “Fireman switch” Data logging, differential pressure backwash, scheduled backwash timer, manual backwash, manual individual tank backwash, backwash failsafe alarm, circulation pump energy saver time clock, 4 ½” influent and effluent gauge panel. Visit us today to find out more about our wide range of slurry valve products. Position valve to backwash and check to make sure that drain line flow remains steady for ten (10) minutes. During backwash there should be no water being used, and the default time is usually fine for most homes. On all units except a carbon filter (see note below), allow to backwash the factory preset time of 10 minutes or until water becomes clear at the drain. by Sean Griffin, August 01, 2009. Manual operated backwash cycle. com offers 520 manual backwash water filter products. Description: Automatic backwash control, fits 1/2 in. We manufacture high quality control valves and blow molded plastics. - Water Supply Connections and Bypass Valve - To allow for softener servicing, swimming pool filling or lawn sprinkling, a manual bypass valve has been installed at the factory. or sand filters with no risk of dead-heading. Reset the valve to its original position. Pentair Quad De Filter Parts - 01 - Assy. Is the valve difficult to turn and/or pull/push? You can take the valve apart, clean it up and re-lube the O-rings. Stainless Steel Ball Valves. Stop motor and set valve to rinse turn on pump and motor for an additional 30 seconds. The control valve will perform regular backwash functions automatically, however, you will need. Advance the control to the BACKWASH position by press and holding and buttons simultaneously on the valve panel until valve motor starts (typically 3 seconds) and then slowly open the manual inlet valve about 10% open. Keep your Hayward piston o-rings lubed and replace every 5 years or so, to prevent leaking and bypass. The following items are the basic. The multiport valve is found on most sand filters and D. Operation Manual Specialty Water Technologies, Inc. Manuals Directory ManualsDir. must be cleaned after each backwash to prevent any clogging problems. (backwash) your filter. MANUAL BACK WASH VALVE Distribution Tube Catalytic Carbon media 2 cu ft. Flomatic ® Corporation introduced the industry’s first unleaded bronze ENVIRO CHECK®, in 1996, which have been recognized as an acceptable material for California Prop 65. The SP-410x62 Series Piston Slide Valve Assembly is designed specifically for use with the Hayward Pro Series High Rate Sand Filters shown here. Ensure the drain line flow remains steady for 10 minutes or until the water runs clear (see above). This NSF-approved valve features EPDM seats and O-rings and is constructed from durable PVC material. Air-scour backwash systems (for high particulate applications). Providing equipment, service, training and daily operations for the best aquatic facilities in the United States. 4 GPM or 35. Open the inlet valve on the same unit and let the water flow until it appears clean when caught in a container. Manual Backwash Valve: It has very few moving parts and easy to use. The drain connection from the valve will range from a 1/2" hose spigot uo to a 2” BSPM thread depending on the valve size and configuration. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. — In this position the tanks switch (lower piston) and the control valve moves to the backwash position (upper piston). A variety of valves have been designed for backwash functions, but the repair task is made somewhat easier by the fact that there are only three basic types of backwash valves: rotor, push-pull and multiport. 25 TC Manual Control Valve Function and Cycles of Operation This glass fi lled Noryl1 (or equivalent) fully automatic control valve is designed as the primary control center to direct and regulate all cycles of a downfl ow regeneration water softener or fi lter. During backwash there should be no water being used, and the default time is usually fine for most homes. Irritrol Butterfly Valves; Dual Check & Pressure Regulating Valves. When you need to backwash a filter, you put in into the backwash cycle for 10 minutes, followed by a rinse of 3 minutes, and then back into the service mode. the tire, the valve, or wheel may be damaged. The Hi-Flow valve kit is designed for maximum performance and working pressures. Pentair offers a wide range of pool products including their line of pool filters. •3 Turn the multiport valve clockwise to "Backwash" or a 2 Position Valve to the down position. Series 31H Lug high pressure resilient seated butterfly valves are drilled and tapped to meet ASME Class 125/150 and PN16 flanges. Tank 9x48, 10x54, 12x48, 13x54, 14x65, 16x65 4. Is it normal for the backwash valve to be very difficult to pull up?when I try to pull it up I can hear a little bit of hissingdefinitely some air coming outbut it doesn't really budge and I was hesitant to apply too much force. That is all there is to it ! Once a week schedule for backwashing is generally sufficient. TABLE OF CONTENTS. This allows pressurized water. Once the water is cleared up a manual backwash should be run. Yardney Mini-Media Filters are designed as a sand media solution for lower flow applications. First ck to see if you are getting any water out of the backwash line when pump is running. Simple manual Backwash filter cleaning. Backwash lines should have a drain valve built into them or have a hole drilled in them for drainage. Praher valves are usually designated with SM- or TM- part number scheme. Manual Strainers. Operation Manual. Home / Products / Valves / Praher 6-way Backwash Valve AQUASTAR® Comfort Praher 6-way Backwash Valve AQUASTAR® Comfort Valve body in ABS (MOP 3. Because this is such an important process, most spas are equipped with a backwash system. Follow the directions outlined in Backwashing (refer to section 4. 4 Master Valve “M” The master valve output is marked with an M on the terminal block. View and Download Jandy Slide Backwash Valve installation and operation manual online. Irritrol TR Plastic Quick Coupling Valves; Solenoid Valves. Try Prime All. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. must be cleaned after each backwash to prevent any clogging problems. SP0710XR50 Control Unit pdf manual download. Spent filter backwash can comprise 2% to 10% of the total plant production, but on the average accounts for 2. This information is used by DHS in the analysis of those services to assist in policy making, program management, services administration, and federal mandated. A whole house backwash filter treats all of the water that enters your house, removing one or more specific contaminants. The control valve is capable of routing the flow, of water in the necessary paths to regenerate or backwash water treatment systems. Once the valve is removed you will have to replace it with your new Hayward Perflex Backwash Valve. Pentair Quad De Filter Parts - 01 - Assy. The ^drain _ line requires a blow-down/drain valve which may be manually operated. The Manual Backwash Filter Valve head can be installed on most common mineral tanks with a 2 1/2" #8 tank opening. Model: SP0710. Mise en place des talons Desserrez l'écrou de soupape de la valve. Suits all tanks with the 2 1/2 inch threaded ports. Titan FCI's Home Page. 5 Cu Ft, 3 Cu Ft. Adjust the valve slightly closed until only trace amounts of media are detectable. Manual is also included with your system. Praher valves are usually designated with SM- or TM- part number scheme. Instruction Manual 1 1. Ensure the drain line flow remains steady for 10 minutes or until the water runs clear (see above). •3 Turn the multiport valve clockwise to "Backwash" or a 2 Position Valve to the down position. The AIF can backwash up to 16 filters. Turn off the filter pump. SECTION - SWIMMING POOL AUTOMATIC FILTER BACKWASH CONTROL 1. The water from the normal outlet will now come out the backwash outlet. Position the valve to the brine / slow rinse position. Open the manual inlet supply valve on the unit in backwash. Suitable for residential and light commercial water filtration. Can cause severe injury or major property damage from valve blow up. SWT's Manual Backwashing Tank Head features an effective design which allows three or four different service positions (bypass, shut-off, in service, backwash) by simple turning of the tank head handle. Hayward offers a full line of multiport and slide backwash valves to support our complete line of vertical grid DE and sand filters. Pentair offers a wide range of pool products including their line of pool filters. This will keep handle from moving down. Some sand filters don't have a backwash hose to roll out because they are hard PVC piped to an underground drain. The ^drain _ line requires a blow-down/drain valve which may be manually operated. Overloading causes excessive tire heat build-up and. Do not change filter control valve position while system pump is running. They feature an easy-to-use trigger action handle that lets you select from four valve/filter functions: filter, backwash, pump to waste or recirculate. Turn valve handle to backwash and turn on pump and motor for 30 seconds to one minute. Calcite, pH, acid neutralizer, Water Filtration System, Filter, 1. To backwash a tank, the small 3-way control valve on the backwash valve is either manually or automatically turned to the ON position. The first photo below. Position the valve to backwash. Turn on the pump and backwash for 2 minutes or until the water in the sight glass (located on the filter) is running clear. The control valve consists of six diaphragms which open and close during the timer cycles of backwash, conditioned rinse, and service (service means normal ROWPU operation. We are specialists in slurry valves for mining. Water Meters Pulse. It is strongly recommended to use oversized piping to accommodate this requirement. Once the water is cleared up a manual backwash should be run. Ft Filter, Hayward SX200G Pro. Wait until the positioning of rotate the manual knob back to In Service and start again into backwash. Perfect for sediment filtration systems, carbon systems, and more where power is not available or simplicity is the key. Stainless Steel Fittings. BACKWASH POSITION: To backwash filter, TURN OFF PUMP. This could cause the rubber diverter gasket inside the valve to come loose or break, which will in turn cause water to leak out of the wrong ports while it’s running. Backwash is done by default at 2am (programmable) 1 to 7 times per week depending on the sulfur odors. — Wait until the positioning of upper and lower pistons stops before advancing the timer further. Watch Queue Queue. And off course when you can you will want to replace that valve with a new ball valve to make things easier in the future. The Manual Backwash Filter Valve head can be installed on most common mineral tanks with a 2 1/2" #8 tank opening. Overhead valve designs vary from one engine model to another. Backwash Instruction and Manual Filter Cleaning Backwash Instructions. Hayward Variflo Multiport Valve Parts Spider Gasket handle diverter. Category: Tanks & Valves. Performance in engineering, performance in manufacturing, performance in inventory control, performance in sales have all added up to a highly reliable total valve company. If the valve came with a separate electronic timer service manual, refer to the timer operation section of the electronic timer service manual. What makes a backwashing filter special is that it also includes an electronic control valve that starts a cleaning cycle on a pre-selected schedule. SM stands for Side Mount style valve & TM designates a Top Mount valve. Starting at: $5. Optional Pressure Booster System (PBS01) Provides consistent valve-actuation where city-water pressure is. At the programmed time, the system will regenerate using ordinary water to backwash the system clean of sulfur, iron, and other well water contaminants. A small amount of water will be lost from the tank. Model 9000/9100/9500 7 16. Eko3's two-way, three-port, 6" lps backwash valve features extra large waterways. Hayward SP0410X502S Slide Backwash Valves for DE Filters with 2 Inch plumbing are in stock and ready to ship from YourPoolHQ. com or call 1-800-581-3488 to Order Now!. Consult a qualified tire service professional for an inspection. Your Hayward S200 high-rate sand filter is a high control valve in the backwash position, the water flow is with manual air relief, securely into the filter. • Differential pressure should be 6 - 12 psig when system returns to filter mode. Backwash for 3-4 minutes or until the water runs clear, then shut the pump off and return the valve to the filter position. The Never Lube Valve is completely maintenance-free and built from the toughest CPVC material. The Jandy Pro Series Slide Backwash Valve is a 2-position backwash valve for use with the Jandy Pro Series DEV and JS Sand Filters. Hayward Vari-Flo Backwash Valve 1. Ft Filter, Hayward SX200G Pro. Turn valve handle counterclockwise to OPEN position. Manual Controls are simple, reliable and inexpensive. EWP-USA's Manual Filter Valves are the economical substitute to automatic control valves. Praher is the world leader in valves, their products are superior and are used the world over. Section 4). This output is ON at the start of each backwash cycle and goes OFF when the controller returns to IDLE. Flexible tube or piping should be run from the drain outlet to a drain capable of taking the maximum flow in backwash (see Section 11. As a guideline for most applications, the F76S should be sized to avoid pressure drops exceeding 3 psi. Add to Cart. Fill the brine tank with salt to a level even with the top of the brine well. 75 CU FT" is in sale since Saturday, July 02, 2016. Features Timer Control Valves Heavy duty composite fiberglass tanks High Flow Distributor All brass, motor driven control valve with fully adjustable backwash cycles Self-adjusting backwash controller Flow controller to limit backwash flow Engineered for commercial & industrial use Benefits Reduced water consumptio. Heavy-duty backwash valve, 100 psi operating pressure, NSF listed Media dump port is engineered to prevent damage during shipment or installation Adjustable electronically actuated priority valve allows for fine tuning of flow. We manufacture high quality control valves and blow molded plastics. Utilized industry wide, Hayward backwash valves set the standard for performance and reliability. This guide shows you how to operate a Hayward two function Slide Valve. The BUG BUSTER PRO Series UV Systems; The BUG BUSTER Alpine Series UV Systems. Keep this manual in the vehicle for quick reference. Click on the Part Number to add it to SHOPPING CART. Please read this manual in detail before using the valve and keep it in a safe place for future reference. Refer to start-up procedures for these models on pages 35 and 37. You will now want to wrap the backwash valves threads with a few wraps of Teflon Tape. Tank 9x48, 10x54, 12x48, 13x54, 14x65, 16x65 4. Thank you for purchasing a Clean Water System! With proper installation and a little routine maintenance your system will be providing chlorine-free. Unplug control valve from power outlet to hold valve in backwash position. As a guideline for most applications, the F76S should be sized to avoid pressure drops exceeding 3 psi. Make sure that your backwash line drains properly after backwashing the filter. Genuine Hayward slide valve parts for SP410 filter backwash valves. Manual operated backwash cycle. When in backwash mode, the water flow is automatically reversed through the filter so that it is directed to the. These filter systems are designed for high temperature, high pressure critical refinery applications where low maintenance, continuous operations are a necessity. Only 1 1/2" and 2" valve actuators are available with manual override handles for emergency hand operation. Ratchet filter 5314. All slide valve control valves feature an easy-to-use push/pull lever action handle that lets you control the filter from normal operation to the backwash operations with ease. provide for normal filter operation and backwash cleaning. Loading Close. After backwash, a down-flow rinse prepares the media It needs to have a bypass valve. F76S WATER FILTERS AND MV876B AUTOMATIC-BACKWASH CONTROLS 62-3015—44 PLANNING THE INSTALLATION The F76S should be sized based on the required flow rate and the resulting pressure drop across the filter. Whole House Water Filter System 1 CU FT GAC Carbon with Manual Backwash Valve. A backwash sightglass valve assembly and a flow rate valve or a priority valve is provided with each filter system. Eko3's two-way, three-port, 6" lps backwash valve features extra large waterways. Controlling Valves. TABLE OF CONTENTS. Valve is a self-contained automatic valve and does not require and lubrication to enhance its operation. Position valve to start of brine tank fill cycle. controller to initiate a backwash cycle. Do you have an old backwashing filter valve that is no longer working or needs to be upgraded? The future of filtering control is here today with the US Water Matrixx™ Commercial Filter Valve. Manual multiport valves Because operating your filter, should be practical and simple One of the basic tasks required by a pool is the good maintenance of the water by filtration. valve came with a separate electronic timer service manual, refer to the timer operation section of the electronic timer service manual. These filtration systems are to remove sand, dirt, turbidity and many other types of sediment commonly found in well water. The controller opens the flush valve, which causes a drop in pressure in the hydraulic motor chamber. Position softener at desired location for installation. top of your valve assembly (See figures 2-3. Pro Series sand filters feature unitized construction of corrosion-proof, polymeric material and self-cleaning 360° slotted laterals. Spent filter backwash can comprise 2% to 10% of the total plant production, but on the average accounts for 2. Good Economical Whole House GAC Carbon Water Filter System. If this is the case your backwash valve needs to be rebuilt. 5 Cubic Foot Manual Backwash Acid Neutralizer. Opening the sludge valve during the backwash cycle is NOT recommended. the valve on the backwash outlet to open. Continuous flow rate of 51 gpm with a backwash of. EWP-USA's Manual Filter Valves are the economical substitute to automatic control valves. (If necessary, use a suitable wrench or spanner. main water shut-off valve or restore power to well pump. position of the backwash process. View and Download Jandy Slide Backwash Valve installation and operation manual online. Once the valve is powered, it may cycle itself. 8 flow rate, 15. Install a backwash control valve in this line. If you have a push/pull valve, open the backwash gate. Your filter is now operational. The backwash will remove media fines which can cause excess pressure drop in the system if not removed. multi-port valve assembly with indicator dial which provides for manual manipulation of the backwash valves. Skip navigation Sign in. powder must be added to the pool skimmer as soon as filtering begins. "Water hammer" can disrupt the support layer of the greensand filter. These valves typically have seven settings, including: filter, backwash, rinse, waste, closed, recirculate and winter. Do not change filter control valve position while system pump is running. Loading Close. Manual multiport valves Because operating your filter, should be practical and simple One of the basic tasks required by a pool is the good maintenance of the water by filtration. A wide variety of manual backwashing options are available to you, such as salon furniture, water softener. Find the multi valve that is by the pump or the meter. This system will provide a water flow of 40 LPM. Filter, Backwash and Rinse modes. View and Download Hayward SP0710XR50 owner's manual online. Tubular Backwash Systems for Refineries. • Differential pressure should be 6 - 12 psig when system returns to filter mode. Manually index the filter to the backwash position. Eko3's two-way, three-port, 6" lps backwash valve features extra large waterways. the printing of this owner’s manual. Water is now being directed into the bottom of the vessel, up through the media and out to the drain. The Manual Valve has very few moving parts and easy to use. : 213-4 Backwashing continues for a fixed time, or until the turbidity of the backwash water is below an established value. We help our clients express themselves and their products through iconic brand identities and beautiful experiences. Providing equipment, service, training and daily operations for the best aquatic facilities in the United States. The backwash line requires a backwash valve, either electrically or pneumatically operated on the backwash line. Fleck 2510 User Manual Read/Download This manual is designed to provide owners, installers, and service technicians with The heart of your Iron Rival System is the Fleck 2510SXT control valve. Welcome to Watersoftener-parts. Installation and Operation Data. Position the valve to backwash. Bray offers two handles for on/off and throttling service - one for resilient seated valves from 1"-12" (25mm - 300mm), and a high torque handle for high pressure valves from 2 1/2"- 8" (65mm - 200mm). Toro P-220 Plastic Series Valves; Toro P-220S Scrubber Series Valves; Irritrol Century Plus Series Control Valves; Manual Valves. Then close the tap. Press and hold the Cycle button to put the valve into Backwash. The control valve can be set so that a softener can meet the Water Qualit y Association (WQA) or NSF International efficiency rating. NeverLube® Backwash Valve Performance Curve 1. Pentair gasket replacement with lube tubepart. professional valve provider leading, Shipbuilding, Marine Engine, LNG service, Offshore, Onshore and Nuclear, control valve, 코밸. For example, if the 180 Series filter uses a 2" valve, the recommended pipe is a minimum of 3". Before beginning, take some. After the unit has been installed, the pressure gauge and air relief valves. controller offers unsurpassed simplicity of operation, yet complete control over all important valve operations. Figure 16 - Performa Valve (273, 278). Fleck 2510 1. Heater cool down or "Fireman switch" Data logging, differential pressure backwash, scheduled backwash timer, manual backwash, manual individual tank backwash, backwash failsafe alarm, circulation pump energy saver time clock, 4 ½" influent and effluent gauge panel. They utilize the latest ceramic technology in filtration and are made of corrosion-resistant plastic, offer excellent sealing, and a long service life. SM stands for Side Mount style valve & TM designates a Top Mount valve. ) Press and hold the cycle button until filter enters backwash mode and the display reads "BW" along with a timer count down. Do you have an old backwashing filter valve that is no longer working or needs to be upgraded? The future of filtering control is here today with the US Water Matrixx™ Commercial Filter Valve. This guide shows you how to operate a Hayward two function Slide Valve. Galaxy Note 8 (2017) – Samsung Galaxy Note 8 N950 User Manual PDF – Samsung Note 8 User Guide Plus Manual 2017, Eveything We know about this phone, We share free for you. The valve has 1-1/2in FPT and bulkhead fittings. Does NOT include the YOKE or BY PASS Valve, you'll need to purchase one or the other to be able to connect the 2510 Valve to the water source. RXD Owner’s Manual Installation and Start-Up Procedures 1. Valves for potable water heaters Valves for potable water heaters; DRUFI+ DFR 2315 and FR 2315. Reset the valve to its original position. If the valve came with a separate electronic timer service manual, refer to the timer operation section of the electronic timer service manual. 5 Cu Ft, 2 Cu Ft, 2. Overloading causes excessive tire heat build-up and. Fill salt cabinet when water level is above salt level. This manual is intended to pro- Backwash air Backwash. Ensure the drain line flow remains steady for 10 minutes or until the water runs clear (see above). pool backwash valve threaded valve kit 2 in swimming pool backwash valve leaking. •Non-corrosive, high-tech material construction •Excellent flow rates - 19 GPM continuous, 24 GPM peak •Backwash capacity handles tanks up to 16 inches in diameter for softener application, 16 inch in diameter for filter applications SPECIFY YOUR TANK SIZE 7-16 inches SPECIFY WHAT YOU ARE USING THIS FOR CARBON, CALCITE, BIRM (IRON) OR SEDIMENT. • Differential pressure should be 6 - 12 psig when system returns to filter mode. When the backwash cycle is initiated, the backwash inlet valve must not open instantaneously. Flow control valves are designed to maintain a constant pre-set maximum flow regardless of fluctuating demand or varying system pressure. Calcite, pH, acid neutralizer, Water Filtration System, Filter, 1. To winterize filter and pump per manufacturer’s instructions. Turn off pump, move multiport valve handle to backwash, run pump for 30 seconds to 2 minutes, turn off pump, move valve to rinse, run pump for 10 seconds, turn off pump, move handle back to filter. 2 Wheel & 4 take the end of the hose with the Adjustable Regulator Valve Valve and the Hose Cone (Valve Adapter) end into the bottom. Manual Backwash filter. Sand filters are able to catch particles as small as about 22 to 25 microns, which makes them suitable for most fountain applications. 5 cuft and 1 cuft machines. Throughout the manual, safety warnings and cautions are identified by the “ ” symbol. Canadian Vehicle Owners A French language manual can be obtained from your dealer, at www. Manual Backwash Valve Category: Tanks & Valves. The control valve will perform backwash functions. Systems meter water and backwash based on actual usage. If it is a dial valve you can take it apart by removeing the screws around the rim and lifting the top off. The BUG BUSTER PRO Series UV Systems; The BUG BUSTER Alpine Series UV Systems. Installation and Operation Data. This creates a low pressure path inside the particle remover, which acts as a vacuum at the end of the suction nozzles, removing the built up debris from the inside of the fine screen. The AIF can backwash up to 16 filters. 740/760 Control 255 and Performa Series Valves (268, 268FA) † Press and hold REGEN for 5 seconds to initiate immediate manual Backwash † C2 - Regenerant. Ensure the drain line flow remains steady for 10 minutes or until the water runs clear. The control valve will perform regular backwash functions automatically, however, you will need. comes complete with an installation manual and operating instructions. (The valve will. Systems meter water and backwash based on actual usage. The Pentair Tagelus 1-1/2in. Display should flash between "time of day" display, and &mdqh;day override— display (number of days until next backwash. Valves for potable water heaters Valves for potable water heaters; DRUFI+ DFR 2315 and FR 2315. That is all there is to it !. 01 SUMMARY A. Manually backwash the system, open backwash throttle valve until a slight amount of media is identified in the backwash stream. Position the valve to the brine / slow rinse position. Easy adaptation to all commonly used filters by means of a 1 1/2" or 2" Ocean side- or top mount valve ABS 3,5 bar including Praher PVC & ABS pipes and unions for quick and easy installation; retrofitting onto all manual Praher Ocean V6 side or top mount valves with new sealing system possible (all common filter brands) Applications. Backwash Valve Owners Manual Pentair Tagelus 24 inch ClearPro TA60D / 145201 pentair sand filter in Pool Filters, Intex 1,600 gph Sand Filter Pump 56673EG 14 Inch INTEX 1600 GPH Saltwater System & Sand Filter Pump Set, Pentair Tagelus TA 60 parts, Pentair PAC, ZEOSAND Zeolite Pool Sand Alternative Media 50 Sq. b) Watch system through backwash cycle for smooth valve actuation and water flow. 2" Slide Backwash Valve is a must if you are purchasing or currently have any of Hayward`s D. Optional Pressure Booster System (PBS01) Provides consistent valve-actuation where city-water pressure is. In this manual EnwaMatic® is referred to as “EnwaMatic®” whilst EnwaMatic® with automatically. It is designed for maximum performance and reliability.