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	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
3 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	FRQ420, Flow Restrictor 420ML / min
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
3 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	bulkic21, Koolermax Inline Carbon Filter
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	741-14, Diverter Valve for Countertop Water Units
1 x	bulkc10, Koolermax Carbon Block Filter
1 x	Discontinued RO585
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	752, DC Booster Pump w/ Transformer
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	723, Feed Water Adapter with Ball Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	720, Feed Water Adapter with Needle Valve
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Discontinued RO155C
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	719, Drain Saddle Clamp / Valve
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x	CBV-38, Tank Ball Valve to 3/8 tubing
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	706, Membrane Filter Casing Housing Assembly
1 x	Discontinued RO585NTF
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	bulk205, Carbon Block Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	Discontinued RD106
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322

View Cart	$8,724.24

1 x	.K5150P, KoolerMax 150GPD 5 Stage RO System w/Booster Pump
1 x	4044-K qty 2 Male Elbow Fitting Compression type 1/4"
2 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
2 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	288, CB1010BB Big Blue Carbon Block Filter 20K-50K gal 10"
1 x	Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
2 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
3 x	4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x	HK120-P-220V KoolerMax Aeroponics Hydroponics RO + Booster Pump
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	578b, TDS-3 Battery Batteries for #578 TDS Water Quality Meter
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
2 x	FPK, High Quality Fitting and Connector 3/8" (Value-Pack)
1 x	FRQ420, Flow Restrictor 420ML / min
1 x	CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
2 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	KF612UP, SUBSTITUTE/Upgrade Faucet Oil Rubbed Bronze Fisnish
3 x	FPK, 6 pcs Fitting Pack Union Connector 3/8 x 1/4 inch
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	HK120 KoolerMax Aeroponics Hydroponics 150G RO Filtration System
1 x	335, 4th stage TFC 35/45 US membrane filter (every 2-3 years)
1 x	6044-combo Compression Type Fitting Elbow and Tee fitting
2 x	1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
2 x	CBV-0404, Tank Ball Valve to 1/4 tubing standard RO tank size
1 x	741-38, Diverter Valve for RO DI Water Systems
1 x	Micro 1/4 NPT Digital Flow Meter count up total Water Liter LPM
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	718b Blue Color Tubing 24 feet 1/4" LLDPE PE tube drinking water
1 x	SET8855 Aquatec 5853 Booster Pump Assembly for Aeroponics System
2 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
1 x	FM60, STEEL BRACKET TRIPLE HOUSING 10" STANDARD FOR RO MOUNT
1 x	2542-K, Female Connector 1/4 OD 1/8 FNPT Compression Fitting
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR104H
1 x	SV-24DC-38-Brass KSD Solenoid Valve 3/8" brass 24V DC ESO
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	718TB12, Half Inch Tubing 20 feet 1/2" LLDPE PE White Tube
1 x	bulkic21, Koolermax Inline Carbon Filter
2 x	FPK, 6 pcs Fitting Pack Union Connector 1/4" quarter inch
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	741-14, Diverter Valve for Countertop Water Units
1 x	bulkc10, Koolermax Carbon Block Filter
1 x	Discontinued RO585
1 x	Panel 1/4 Digital Flow Meter count up total Gallons GPM 56"cable
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x	752, DC Booster Pump w/ Transformer
1 x	SV-24AC-14, Solenoid Valve for Aquatec pump only 1/4" 24VAC ESO
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	568,Heavy-Duty Filter Housing Wrench, HoneyWell or FilterCold
1 x	FM-8100TG44, DigiFlow Digital Water Flow Rate Meter
1 x	PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x	CP-OR55, O-RING FOR MEMBRANE FILTER HOUSING WaterGeneral Systems
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	723, Feed Water Adapter with Ball Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR150P
1 x	HK120-P-TK for USA 110V / 60Hz
1 x	602, UV Ultra Violet Sterilization Light Bulb ystem (6 watts)
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	FRQ300, Flow Restrictor 300ML / min
1 x	745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	NM-5104, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	720, Feed Water Adapter with Needle Valve
2 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	DM-1, Inline Dual TDS monitor (meter) for RO DI System DM1
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
1 x	FV-15, Bobby Float Valve Top Mount RM292P-N UNS CEL NSF USA
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
3 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Discontinued RO155C
1 x	.K5150PNTF, KoolerMax K5150P RO System Shell without tank faucet
1 x	5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	KT-103, Optional Manual Membrane Flush Valve
1 x	1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
2 x	719, Drain Saddle Clamp / Valve
1 x	.K6150P, KoolerMax 150GPD 6 Stage RO System w/ Booster Pump
2 x	CBV-38, Tank Ball Valve to 3/8 tubing
2 x	1st stage SF05 sediment filter (replace every 6-12 months)
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	HK120-P-TK-220V for EURO 220V / 50Hz
1 x	FM214G 1/4" NPT Digital Flow Meter count up total Water Gallons
2 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x	.K6A KoolerMax 75GPD 6STAGE Alkaline pH REVERSE OSMOSIS RO FILTE
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	PH80, Digital pH Meter Hydrotester Calibration Storage Solutions
1 x	PSW-280 Aquatec Pressure Switch 80 psi shut off 1/4 tubing TSO
1 x	532bpg, PAE RO water pressure tank blue bladder gauge valve 4G
1 x	205, 3rd stage solid carbon block filter (replace every 12 month
1 x	N-14-1M, Nipple Fitting connector between standard RO housing
1 x	SV-24AC-14, Solenoid Valve ESO for Aquatec pump 1/4" wiring
1 x	FM40, STEEL BRACKET DOUBLE HOUSING 10" STANDARD
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	706, Membrane Filter Casing Housing Assembly
1 x	Discontinued RO585NTF
1 x	717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	AQF-600-102, Flow Meter Panel Mount 3/8" MPT
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle AR125
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
1 x	bulk205, Carbon Block Filter
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	Discontinued RD106
1 x	B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322

View Cart	$8,724.24