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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2 x	214, Clear Inline Filter Cartridge Empty Case
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	706, Membrane Filter Casing Housing Assembly
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
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1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x	752, DC Booster Pump w/ Transformer
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
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2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
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1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker

View Cart	$3,141.44

2 x	214, Clear Inline Filter Cartridge Empty Case
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	706, Membrane Filter Casing Housing Assembly
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
2 x	752, DC Booster Pump w/ Transformer
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	752set, DC Booster Pump Transformer Solenoid Pressure Switch All
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD150
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	MK420, Maintenance kit for RO565
1 x	671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x	.RD322 Aquarium 260-300 GPD REVERSE OSMOSIS RO+DI WATER SYSTEM
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker

View Cart	$3,141.44