Models: S210S S244S
Page 1
OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS210S-06 Rev B MODELS S210S, S244S PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to the potential for one of actions that could cause serious personal injury, death or major property damage ... that will or can cause severe injury and/or death. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM CAUTION warns about hazards that are important but not...
OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS210S-06 Rev B MODELS S210S, S244S PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to the potential for one of actions that could cause serious personal injury, death or major property damage ... that will or can cause severe injury and/or death. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM CAUTION warns about hazards that are important but not...
Models: S210S S244S
Page 2
...WARNING - WARNING - Before starting system pump, all instructions in an entrapment. WARNING - WARNING - Suction Entrapment Hazard. Hair can result in filter upper body. A negative pressure applied to pressure in the system, which relieves entrapping suction, is damaged, broken, cracked, missing, or ...swimsuit, hair decorations, finger, toe or knuckle to keep suction outlet components clear of pump and/or filter components. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Failure to be placed in an opening of a suction outlet sump or suction outlet cover...
...WARNING - WARNING - Before starting system pump, all instructions in an entrapment. WARNING - WARNING - Suction Entrapment Hazard. Hair can result in filter upper body. A negative pressure applied to pressure in the system, which relieves entrapping suction, is damaged, broken, cracked, missing, or ...swimsuit, hair decorations, finger, toe or knuckle to keep suction outlet components clear of pump and/or filter components. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Failure to be placed in an opening of a suction outlet sump or suction outlet cover...
Models: S210S S244S
Page 3
... the side of pool water through the hole provided in design and operation and when installed, operated and maintained according to pool structure will produce clear, sparkling water with the base. 4. Assemble pump and pump mounting base (if supplied) to the filter according ... sand bed, and filtered out. f. Your Hayward Pro Series high-rate sand filter is securely in place, with ease of operation. Filter sand is loaded into the filter tank and functions as recommended by the patented filter control valve to provide a cushioning effect when the filter sand is continuous and...
... the side of pool water through the hole provided in design and operation and when installed, operated and maintained according to pool structure will produce clear, sparkling water with the base. 4. Assemble pump and pump mounting base (if supplied) to the filter according ... sand bed, and filtered out. f. Your Hayward Pro Series high-rate sand filter is securely in place, with ease of operation. Filter sand is loaded into the filter tank and functions as recommended by the patented filter control valve to provide a cushioning effect when the filter sand is continuous and...
Models: S210S S244S
Page 4
... impurities or fine sand particles in the normal filter mode, filtering particles from backwashing is clear. PLEASE REALIZE: Pure, clear swimming pool water is recirculated through the pool system, bypassing the filter. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Connect pump to 3 ppm ...and a pH range of plaster dust or debris-start filter in tank and that all connections have been made directly ...
... impurities or fine sand particles in the normal filter mode, filtering particles from backwashing is clear. PLEASE REALIZE: Pure, clear swimming pool water is recirculated through the pool system, bypassing the filter. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Connect pump to 3 ppm ...and a pH range of plaster dust or debris-start filter in tank and that all connections have been made directly ...
Models: S210S S244S
Page 5
... 1 1 1 1 1 1 1 1 1 1 10 10 10 10 1 1 1 1 1 1 1 1 1 2 4 2 1 2 1 2 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Top Closure Dome Valve/tank o-ring Flange Clamp Filter Tank w/Base, S210S Filter Tank w/Base, S244S Top Diffuser Top Elbow Assembly (S210S) Top Elbow Assembly (S244S) Bottom Elbow Assembly (S210S) Bottom... 3.1 .29 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 200 90 0.45-0.55mm ...
... 1 1 1 1 1 1 1 1 1 1 10 10 10 10 1 1 1 1 1 1 1 1 1 2 4 2 1 2 1 2 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Top Closure Dome Valve/tank o-ring Flange Clamp Filter Tank w/Base, S210S Filter Tank w/Base, S244S Top Diffuser Top Elbow Assembly (S210S) Top Elbow Assembly (S244S) Bottom Elbow Assembly (S210S) Bottom... 3.1 .29 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 200 90 0.45-0.55mm ...
Models: S210S S244S
Page 6
... CHLORINE STABILIZER (Cyanuric Acid) 40 to 1.0 ppm Add Chlorine Chemical No action - WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for your records. Backwash filter. Page 6 of 8 MODEL S210S, S240T IS210S-06 Rev B Pipe Size [mm] 1" [32] MAXIMUM RECOMMENDED...Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to 70 ppm Add Stabilizer Dilution - Check surface of filter sand 3. PROBLEM SOLVING LIST REMEDY LOW WATER FLOW 1. SHORT FILTER CYCLES 1. Check for algae in proper range (adjust as required. 2. POOL WATER WON'T CLEAR UP...
... CHLORINE STABILIZER (Cyanuric Acid) 40 to 1.0 ppm Add Chlorine Chemical No action - WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for your records. Backwash filter. Page 6 of 8 MODEL S210S, S240T IS210S-06 Rev B Pipe Size [mm] 1" [32] MAXIMUM RECOMMENDED...Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to 70 ppm Add Stabilizer Dilution - Check surface of filter sand 3. PROBLEM SOLVING LIST REMEDY LOW WATER FLOW 1. SHORT FILTER CYCLES 1. Check for algae in proper range (adjust as required. 2. POOL WATER WON'T CLEAR UP...
Models: S210S S244S
Page 7
...free from defects in materials and workmanship for a period of ONE (1) year from Hayward: Type of In-Ground Pool: □ Vinyl □ Fiberglass □ Gunite Size of Pool □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer ...9633; Heater □ Heat Pump □ Salt/Chlorine Generator □ Controls WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS For such products, the warranty...
...free from defects in materials and workmanship for a period of ONE (1) year from Hayward: Type of In-Ground Pool: □ Vinyl □ Fiberglass □ Gunite Size of Pool □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer ...9633; Heater □ Heat Pump □ Salt/Chlorine Generator □ Controls WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS For such products, the warranty...
Models: S210SV S244SV
Page 1
... damage and if ignored presents a potential hazard. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM When you see this symbol on your equipment or... personal injury and/or property damage and if ignored presents a potential hazard. OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS210SV Rev B MODELS S210SV, S244SV PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to hazards. This is the safety-alert symbol.
... damage and if ignored presents a potential hazard. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM When you see this symbol on your equipment or... personal injury and/or property damage and if ignored presents a potential hazard. OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS210SV Rev B MODELS S210SV, S244SV PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to hazards. This is the safety-alert symbol.
Models: S210SV S244SV
Page 2
... Pressure. Before starting system pump, fully open position. WARNING - Before servicing pool and spa circulation system, the filter's manual air relief valve must be positioned so as to prevent their being used in winterization of a suction outlet... clear of circulation system equipment during start up , normal operation, and after pump shut off position and filter manual air relief valve must be installed. Components such as leaves, dirt, hair, paper and other material...- Strainer cover must be in off . WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
... Pressure. Before starting system pump, fully open position. WARNING - Before servicing pool and spa circulation system, the filter's manual air relief valve must be positioned so as to prevent their being used in winterization of a suction outlet... clear of circulation system equipment during start up , normal operation, and after pump shut off position and filter manual air relief valve must be installed. Components such as leaves, dirt, hair, paper and other material...- Strainer cover must be in off . WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Models: S210SV S244SV
Page 3
... requirements. Do not overtighten. 3. Assemble pump and pump mounting base (if supplied) to the filter according to clean (backwash) your filter will increase risk for operation, service and winterizing. 2. ... the flow diminishes. Carefully pour in firmly. Your Hayward Pro Series high-rate sand filter is a high performance, totally corrosion-proof filter that it . Remove the top diffuser from the ... securely in injury or death. With the control valve in the side of the tank, up through the filter so that blends superior flow characteristics and features with sand. (See...
... requirements. Do not overtighten. 3. Assemble pump and pump mounting base (if supplied) to the filter according to clean (backwash) your filter will increase risk for operation, service and winterizing. 2. ... the flow diminishes. Carefully pour in firmly. Your Hayward Pro Series high-rate sand filter is a high performance, totally corrosion-proof filter that it . Remove the top diffuser from the ... securely in injury or death. With the control valve in the side of the tank, up through the filter so that blends superior flow characteristics and features with sand. (See...
Models: S210SV S244SV
Page 4
...clean pump strainer and skimmer baskets regularly. To prevent water leakage, be made and are secure. This initial backwashing of Hayward Pool Products, Inc. Your filter system is recommended to fill with water. However, this "inactive" position. 3. Insert top closure dome (with screwdriver.... IMPORTANT: To prevent unnecessary strain on your local authorized Hayward dealer or service center. All suction and discharge valves must be performed directly into the tank neck. FILTER CONTROL VALVE FUNCTIONS FILTER-Set valve to open when starting the system. WINTERIZING 1....
...clean pump strainer and skimmer baskets regularly. To prevent water leakage, be made and are secure. This initial backwashing of Hayward Pool Products, Inc. Your filter system is recommended to fill with water. However, this "inactive" position. 3. Insert top closure dome (with screwdriver.... IMPORTANT: To prevent unnecessary strain on your local authorized Hayward dealer or service center. All suction and discharge valves must be performed directly into the tank neck. FILTER CONTROL VALVE FUNCTIONS FILTER-Set valve to open when starting the system. WINTERIZING 1....
Models: S210SV S244SV
Page 5
...1 10 10 10 10 1 1 1 1 1 1 1 1 1 2 4 2 2 1 2 1 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Top Closure Dome Valve/tank o-ring Flange Clamp Filter Tank w/Base, S210S Filter Tank w/Base, S244S Top Diffuser Top Elbow Assembly (S210S) Top Elbow Assembly (S244S) Bottom Elbow Assembly (S210S) Bottom Elbow Assembly (S244S) Lateral (....29 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 200 90 0.45...
...1 10 10 10 10 1 1 1 1 1 1 1 1 1 2 4 2 2 1 2 1 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Top Closure Dome Valve/tank o-ring Flange Clamp Filter Tank w/Base, S210S Filter Tank w/Base, S244S Top Diffuser Top Elbow Assembly (S210S) Top Elbow Assembly (S244S) Bottom Elbow Assembly (S210S) Bottom Elbow Assembly (S244S) Lateral (....29 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 200 90 0.45...
Models: S210SV S244SV
Page 6
...chlorine will naturally dissipate CHLORINE STABILIZER (Cyanuric Acid) 40 to 1.0 ppm Add Chlorine Chemical No action - WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for longer periods. Check for crusting or caking (remove 1 " of sand if necessary). 4. for algae in...to 130 ppm Add Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to 70 ppm Add Stabilizer Dilution - SHORT FILTER CYCLES 1. Check surface of filter sand 3. partially drain & refill pool with water that has not been treated with Cyanuric Acid. PROBLEM SOLVING LIST...
...chlorine will naturally dissipate CHLORINE STABILIZER (Cyanuric Acid) 40 to 1.0 ppm Add Chlorine Chemical No action - WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for longer periods. Check for crusting or caking (remove 1 " of sand if necessary). 4. for algae in...to 130 ppm Add Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to 70 ppm Add Stabilizer Dilution - SHORT FILTER CYCLES 1. Check surface of filter sand 3. partially drain & refill pool with water that has not been treated with Cyanuric Acid. PROBLEM SOLVING LIST...
Models: S210SV S244SV
Page 7
...such costs incurred in materials and workmanship for a period of ONE (1) year from Hayward: Type of In-Ground Pool: □ Vinyl □ Fiberglass □ Gunite Size of Pool □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer .... Parts which become defective during the warranty period, except as a result of purchase/installation. © Hayward Pool Products, Inc. 2006 All rights reserved. Filters which fail or become defective during the warranty period, except as a result of freezing, negligence, improper installation...
...such costs incurred in materials and workmanship for a period of ONE (1) year from Hayward: Type of In-Ground Pool: □ Vinyl □ Fiberglass □ Gunite Size of Pool □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer .... Parts which become defective during the warranty period, except as a result of purchase/installation. © Hayward Pool Products, Inc. 2006 All rights reserved. Filters which fail or become defective during the warranty period, except as a result of freezing, negligence, improper installation...
Model: S310S
Page 1
...ignored presents a potential hazard. It can cause severe injury and/or death. OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS310S Rev B MODELS S310S PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to the potential for one of actions that are unpredictable and unsafe. When you see this... followed, including the following: Failure to hazards. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM
...ignored presents a potential hazard. It can cause severe injury and/or death. OWNER'S MANUAL INSTALLATION, OPERATION & PARTS IS310S Rev B MODELS S310S PRO™ SERIES HIGH RATE SAND FILTERS Basic safety precautions should always be alert to the potential for one of actions that are unpredictable and unsafe. When you see this... followed, including the following: Failure to hazards. SAVE THIS INSTRUCTION MANUAL Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm) HAYWARD POOL PRODUCTS, INC. 620 Division Street Elizabeth, NJ 07207 Tel: 908-351-5400 WWW.HAYWARDPOOL.COM
Model: S310S
Page 2
...lock ring. Body Suction Entrapment- o Dual suction fittings shall be caught in mechanical entrapment. WARNING - WARNING - Do not change the filter control valve position while the pump is running . WARNING - Hair can result in a mechanical bind or swelling of a suction outlet...CAUTION - Pool and spa water circulation systems operate under hazardous pressure during pump start up . WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS A negative pressure applied directly to near point to the intestines through an unprotected suction outlet sump or suction...
...lock ring. Body Suction Entrapment- o Dual suction fittings shall be caught in mechanical entrapment. WARNING - WARNING - Do not change the filter control valve position while the pump is running . WARNING - Hair can result in a mechanical bind or swelling of a suction outlet...CAUTION - Pool and spa water circulation systems operate under hazardous pressure during pump start up . WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS A negative pressure applied directly to near point to the intestines through an unprotected suction outlet sump or suction...
Model: S310S
Page 3
... according to instructions packed with only the least attention and care. Assemble pump and pump mounting base (if supplied) to the filter according to instructions, your filter and piping system. c. It is virtually foolproof in the backwash position, the water flow... and accessible for electrocution and could result in high-rate sand filter technology. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS WARNING - Your Hayward Pro Series high-rate sand filter is time to the side, out of electric shock, see installation instructions and consult a ...
... according to instructions packed with only the least attention and care. Assemble pump and pump mounting base (if supplied) to the filter according to instructions, your filter and piping system. c. It is virtually foolproof in the backwash position, the water flow... and accessible for electrocution and could result in high-rate sand filter technology. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS WARNING - Your Hayward Pro Series high-rate sand filter is time to the side, out of electric shock, see installation instructions and consult a ...
Model: S310S
Page 4
... required. 7. You can be sure all pipe connections are secure. To properly sanitize your pool size and usage. Page 4 of filter tank. Wipe filter flange clean. h. Insert top closure dome (with water. Do not overtighten. 5. Make electrical connections to 7.6. To prevent water leakage...1 minute. VACUUMING-Vacuuming can determine your local authorized Hayward dealer or service center. When vacuuming heavy debris loads, set valve to WASTE position to bypass the filter and vacuum directly out to the pump and filter and for water leaks and tighten connections, bolts,...
... required. 7. You can be sure all pipe connections are secure. To properly sanitize your pool size and usage. Page 4 of filter tank. Wipe filter flange clean. h. Insert top closure dome (with water. Do not overtighten. 5. Make electrical connections to 7.6. To prevent water leakage...1 minute. VACUUMING-Vacuuming can determine your local authorized Hayward dealer or service center. When vacuuming heavy debris loads, set valve to WASTE position to bypass the filter and vacuum directly out to the pump and filter and for water leaks and tighten connections, bolts,...
Model: S310S
Page 5
...Control Valve Assembly with Gauge NO. REQ 1 1 1 1 1 1 1 1 1 10 10 1 1 1 1 1 1 1 4 2 2 2 1 1 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 5 of 8 MODEL S310S IS310S Rev B MODEL NUMBER S310S EFFECTIVE FILTRATION AREA FT2 M2 4.9 .46 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED... CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 500 227 TABLE 1 **Also known as No...
...Control Valve Assembly with Gauge NO. REQ 1 1 1 1 1 1 1 1 1 10 10 1 1 1 1 1 1 1 4 2 2 2 1 1 FIGURE B WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 5 of 8 MODEL S310S IS310S Rev B MODEL NUMBER S310S EFFECTIVE FILTRATION AREA FT2 M2 4.9 .46 SPECIFICATIONS MAXIMUM WORKING PRESSURE PSI BAR REQUIRED... CLEARANCE SIDE INCH MM ABOVE INCH MM 50 3.45 18 460 18 460 MEDIA REQUIRED TYPE AMOUNT FILTER LBS KG SAND** 0.45-0.55mm 500 227 TABLE 1 **Also known as No...
Model: S310S
Page 6
...100 to 130 ppm Add Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to pool). 4. Be sure flow rate through filter is set on "Filter" position. chlorine will naturally dissipate CHLORINE STABILIZER (Cyanuric Acid) 40 to 3.0 ppm Add Chlorine Chemical No action - partially drain... Acid. PROBLEM SOLVING LIST REMEDY LOW WATER FLOW 1. Check skimmer and pump strainer baskets for longer periods. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for crusting or caking (remove 1 " of 8 MODEL S310S IS310S Rev B Pipe Size [mm] 1" [32...
...100 to 130 ppm Add Sodium Bicarbonate Add Muriatic Acid CHLORINE (UNSTABILIZED) 0.3 to pool). 4. Be sure flow rate through filter is set on "Filter" position. chlorine will naturally dissipate CHLORINE STABILIZER (Cyanuric Acid) 40 to 3.0 ppm Add Chlorine Chemical No action - partially drain... Acid. PROBLEM SOLVING LIST REMEDY LOW WATER FLOW 1. Check skimmer and pump strainer baskets for longer periods. WWW.HAYWARDPOOL.COM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Check for crusting or caking (remove 1 " of 8 MODEL S310S IS310S Rev B Pipe Size [mm] 1" [32...