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	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
2 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	720, Feed Water Adapter with Needle Valve
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	723, Feed Water Adapter with Ball Valve
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	MK420, Maintenance kit for RO565
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	719, Drain Saddle Clamp / Valve
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Discontinued RO6ALK
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G

View Cart	$3,741.84

1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	AQUATEC CDP 8852-2J03-B424 Booster Pump 220V Euro Transformer
1 x	PSW-380 Aquatec Pressure Switch 80 psi shut off 3/8" tubing TSO
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
1 x	TMR-DC-2412, Transformer Power Supply for #752 Booster Pump
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
2 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
2 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
2 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
2 x	Annual Filter Kit Koolermax Series KPAK-3 Sediment Carbon Block
1 x	4th stage TFC 75/85 US membrane filter (every 2-3 yrs) M75
1 x	3/4" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	DDP5800, Aquatec Demand Delivery Pump 5851-7E12 Increase Output
2 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR122
1 x	ERP500 Aquatec Permeate Pump Reverse Osmosis RO System USA made
2 x	PSW-340 Aquatec Pressure Switch 40 psi shut off 3/8" tubing TSO
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	BBK20, Replacement Filter 20" Big Blue Whole House WH-2201 WH250
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
3 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	720, Feed Water Adapter with Needle Valve
1 x	Aeroponics HighPressure Booster Pump Aquatec CDP5853 Transformer
3 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	TMR-AQT-2A, Transformer Power Supply Aquatec TACS114-48 for 8800
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
2 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	FM-8000T, DigiFlow Digital Water Flow Meter Rate Count Down
1 x	SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x	723, Feed Water Adapter with Ball Valve
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	MK420, Maintenance kit for RO565
1 x	741-14, Diverter Valve for Countertop Water Units
1 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	SV-24DC-38-Plastic, KSD Solenoid Valve 3/8" 24V DC ESO
2 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	TMR-220V-2A Aquatec TACS234-48 Transformer Power Supply EuroPlug
2 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	6th Stage pn215 Refillable inline DI filter (color change)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
1 x	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	TMR-AQT-68, Transformer Power Supply Aquatec TACS114-19EP for 68
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	225UP, 5th stage Inline Alkaline upgrade (includes media)
2 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	719, Drain Saddle Clamp / Valve
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Discontinued RO6ALK
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G

View Cart	$3,741.84