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	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	Discontinued RO155C
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 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	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug

View Cart	$1,355.94

2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	285, Big Blue SED2005BB 20" Sediment filter WH25 WH250 WH2201
3 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO6ALK
1 x	365, 4th stage TFC 50/65 US membrane filter (replace 2-3 yrs)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	Discontinued RO155C
1 x	385, 4th stage TFC 75/85 US membrane filter (every 2-3 yrs)
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	310, 2nd stage CTA 10 US Membrane filter
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x	SC207, Specialty Filter Refillable Color Changing DI Filter for
1 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	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
1 x	SC435, Specialty Filter Arsenic / Fluoride Removal Filter
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug

View Cart	$1,355.94