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	741-14, Diverter Valve for Countertop Water Units
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	752, DC Booster Pump w/ Transformer
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal

View Cart	$1,577.43

1 x	741-14, Diverter Valve for Countertop Water Units
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
2 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	SET68, AQUATEC 6840 AC Pump Set Solenoid ESO Pressure Switch SET
1 x	WH-25, Whole House Water Treatment Sediment Filter System 20" Bi
1 x	UU Clips Pair Standard Filter to Standard Filter, 2" x 2"
1 x	ACT-820-JG Aquatec Pulsation Dampener Accumulator Pressure Tank
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	FM10, STEEL BRACKET SINGLE HOUSING MOUNTING SYSTEM
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	799, Siphon Pump Drinking Water Liquid Fluid Oil Manual Trasfer
1 x	BUNDLE PACK Annual Filter Kit FK4 WaterGeneral 585 106 (4 ITEMS)
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 x	Special Filter Kit Koolermax dealer distribution kit
1 x	202,1 MICRON Sediment filter (replace every 6-12 month) SED1001
1 x	Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	752, DC Booster Pump w/ Transformer
1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	SC209, Specialty Filter Nitrate Removal Filter
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	SC725, Specialty Filter Chloramines / Hydrogen Sulfide Removal

View Cart	$1,577.43