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	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
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1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
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1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
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1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
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2 x	201, 1st stage sediment filter (replace every 6-12 months)
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1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
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1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
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View Cart	$1,917.70

1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
2 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	SW SHELL, Countertop SW1 Empty System Only No Filter
2 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	3.CB2010, 3rd stage carbon block filter 20" inch for RD322 RO260
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD102
1 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO260
1 x	bulkc10, Koolermax Carbon Block Filter

View Cart	$1,917.70