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	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	6th Stage pn215 Refillable inline DI filter (color change)

View Cart	$1,608.75

1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	4th Stage Color Changing DI Filter SC207 for AR-104H
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	755, Aquatec Demand Delivery Pump 5851-7E12-J574 Increase Output
1 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
2 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	DB40, DI Resin Refill Bag for DI210, RD322
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	CDP6800T110V, AQUATEC Booster Pump Transformer 6840-2J03-B224
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	213, 4th stage inline carbon filter (replace every 12 months)
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	Bundle Filter Annual set KPAK-104 Sediment Carbo Block DI Resin
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	6th Stage pn215 Refillable inline DI filter (color change)

View Cart	$1,608.75