Pressure switch does not shut off pump sometimes:

To make the pump turn on/off automatically, you need to have this combination: pump, transformer, pressure switch (TSO) and solenoid valve (ESO). If you only have a pump, transformer, and pressure switch, the pump will not be able to turn off by itself.

The pressure switch should be connected at the pure water output line, so that when the tank is full, it would shut off the pump. The solenoid valve should be connected in front of the pump, so when the tank is full, it can shut off the water supply.

Quantity of nozzles you have will play a factor as well. You’ll need to adjust the pressure setting on the pressure switch to accommodate your application and the quantity of nozzles. To do so, you’ll need to use a small hex wrench to turn the hex screw clockwise 1 to 2 turns; then turn on your pump and water; allow the pressure to build up. This may take a few minutes.

Quantity of nozzles you have will play a factor as well. You’ll need to adjust the pressure setting on the pressure switch to accommodate your application and the quantity of nozzles. To do so, you’ll need to use a small hex wrench to turn the hex screw clockwise 1 to 2 turns; then turn on your pump and water; allow the pressure to build up. This may take a few minutes.

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1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	578, TDS Water Quality Meter tds-3
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	PE Tubing Tube Cutter
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	KT-103, Optional Manual Membrane Flush Valve
2 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	MK420, Maintenance kit for RO565
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	Discontinued RD102
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	214, Clear Inline Filter Cartridge Empty Case
2 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	752, DC Booster Pump w/ Transformer
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	723, Feed Water Adapter with Ball Valve
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)

View Cart	$7,584.90

1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	UU Clips Pair Membrane to Filter, 2.5" to 2"
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	578, TDS Water Quality Meter tds-3
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
2 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	PE Tubing Tube Cutter
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	KT-103, Optional Manual Membrane Flush Valve
2 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	3150, 5th stage TFC-150 US membrane filter (every 2-3 years)
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	MK420, Maintenance kit for RO565
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
5 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	FRQ550, Flow Restrictor 500 to 600ML / min
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	WH-5, Whole House Water Treatment Sediment Filter System 10" Big
2 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	Discontinued RD102
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	214, Clear Inline Filter Cartridge Empty Case
2 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	WSACF-150T, Whole House Water Treatment ACF-150T
1 x	752, DC Booster Pump w/ Transformer
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO585
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	723, Feed Water Adapter with Ball Valve
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	UU Clips Pair Membrane to Membrane, 2.5" to 2.5"
1 x	ERP1000 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)

View Cart	$7,584.90