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	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x	UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	Discontinued RD102
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	Discontinued RD150
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart	$3,944.50

1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	AQUATEC 8852-2J03-B424 High Flow Booster Pump 110V Transformer
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x	UC7000 HONEYWELL UNDER THE COUNTER WATER FILTER (WHITE, LARGE)
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	.AR122 KoolerMax 6STAGE Aquarium Reef REVERSE OSMOSIS RODI WATER
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	Discontinued RD102
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	DI210, Heavy-duty DI system for Aquarium and Reef
1 x	Bundle Filter Annual set KPAK-104b Sediment Carbon Resin Refill
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	.AR150PNTF, KoolerMax AR150P RO System Shell without tank faucet
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	.AR125NTF KoolerMax AR125 RO System Shell without tank & faucet
1 x	913, 5th stage inline carbon filter (every 12 months)
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	Discontinued RD150
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G

View Cart	$3,944.50