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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5 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	Discontinued RO155
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	719, Drain Saddle Clamp / Valve
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
5 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	6th Stage pn215 Refillable inline DI filter (color change)
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x	723, Feed Water Adapter with Ball Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	WS-150M, Whole House Water Softener
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
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	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	Discontinued RO155C
1 x	720, Feed Water Adapter with Needle Valve
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
5 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
5 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x	752, DC Booster Pump w/ Transformer
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Discontinued RD150
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Discontinued RD102
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 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	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water

View Cart	$10,119.68

5 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
4 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x	.AR150P, AQUARIUM & DRINKING 2 OUTPUTS Reverse Osmosis RO+DI+P
2 x	399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
1 x	Discontinued RO155
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	4044-K Male Elbow Fitting Compression type 1/4" OD 1/4" NPT
3 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	.RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	FV-14, Bobby Float Valve Side Mount RM292-12-N NSF USA
2 x	532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x	CKV0402, Blue color Elbow Check Valve Elbow Type
1 x	719, Drain Saddle Clamp / Valve
2 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	NM-5103, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
5 x	532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x	6th Stage pn215 Refillable inline DI filter (color change)
3 x	3rd stage C10 carbon block filter (replace every 6-12 months)
1 x	KF511UP SUBSTITUTE/Upgrade Faucet CHROME GOLD TRIM CROSS HANDLE
1 x	4th stage Optional Refill bag #818 DI Resin Refill Bag
1 x	Special, Output Conversion Kit Convert from 1/4" to 3/8"
1 x	WT-bac, Water Testing Kit, Bacteria Test
1 x	6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
2 x	SW SHELL, Countertop SW1 Empty System Only No Filter
1 x	Y3414CH, Garden Hose Y Adapter Shut-Off Valve Metal Construction
1 x	MKP, Maintenance kit for K5150P K6150P AR150P
2 x	2nd stage C10 carbon block filter (replace every 6-12 months)
4 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	AQF-600-105, Flow Meter Panel Mount 1/2" MPT
1 x	UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x	.AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
2 x	723, Feed Water Adapter with Ball Valve
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x	WH-20, Whole House Water Treatment Carbon Block Filter System Bi
2 x	Optional: 566 Filter Housing Wrench Opener WaterGeneral System
1 x	Optional 566 Filter Housing Wrench Case Opener KoolerMax System
1 x	.K6NTF KoolerMax K6ALK RO shell without tank and faucet
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	WS-150M, Whole House Water Softener
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x	214, Clear Inline Filter Cartridge Empty Case
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
2 x	532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x	Special, Single Stage Housing Bracket Shell Connection Kit
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	MK8002, Maintenance kit for double membrane system RD322 RO260
1 x	PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x	Bundle Filter KPAK-104m Sediment Carbon Block DI Resin Membrane
1 x	FK-53, Replacement Filter Pack SED2005 CB2010 for RD322 RO260
1 x	SVkit, Pump Shutoff Switch Kit for Aquatec Booster Pumps ESO TSO
1 x	Discontinued RO155C
1 x	720, Feed Water Adapter with Needle Valve
1 x	PSW-3100 Aquatec Pressure Switch 100 psi shut off 3/8 tubing TSO
1 x	.AR104H High Efficiency Membrane Aquarium Reef Aeroponics RO DI
5 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Liter Digiflow 1/4NPT Digital Flow Meter count up total Water
1 x	709C, Disc Shape Auto Shut Off Valve 4-way Four Way Valve
1 x	.K5NTF KoolerMax K5 RO System Shell without tank and faucet
2 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x	SET8855-300 Aquatec 5853 Booster Pump Assembly for 300GPD RO Sys
5 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	CDP6800, AQUATEC CDP6800 Booster Pump Only 6840-2J03-B224
1 x	TMR-UV-6W, Replacement UV Ballast Transformer 6 Watts for 602 UV
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	759, Aquatec Demand Delivery Pump 5853-7E12-J524 Commercial 1.7G
1 x	FPK, 6 pcs Fitting Pack Union Connector 1/2 x 3/8 inch
2 x	752, DC Booster Pump w/ Transformer
1 x	KF355UP, SUBSTITUTE/Upgrade to Antique Brushed Brass Iron Finish
2 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	MK200, Maintenance kit for Rotek Systems RCT-103 and RTF-265
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x	581, Ice Maker Hookup Kit Connect RO water to Fridge Ice Maker
3 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	CP-KOR45, O RING FOR KOOLERMAX BOTTOM FILTER HOUSING CASING
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	350UP, Upgrade Kit TFC50 gal/day (includes US membrane filter)
1 x	277, SED1005BB Big Blue 5 micron sediment filter 10"
2 x	B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
1 x	NM-5001C, HONEYWELL COUNTERTOP WATER FILTER DISCONTINUED SW1
1 x	Discontinued RD150
1 x	3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	Discontinued RD102
1 x	TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x	PSW-350, Pressure Switch for RO Booster Pump 1/4" TSO
1 x	565, Digital Pressure Gauge Tester Monitor
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	DM-2, Inline Dual TDS monitor (meter) for RO DI System DM2
1 x	335UP, Upgrade Kit TFC 35 gal/day (includes US membrane filter)
1 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	756SET, Aquatec Permeate Pump Reverse Osmosis System ERP1000
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RD106
2 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	CDP8800, AQUATEC CDP8852-2J03-B424 Booster Pump Only Fitting
1 x	SV-110AC-14, Solenoid Valve 1/4" plastic 110VAC ESO
1 x	718xl, Tubing 100 feet 1/4" white tube LLDPE PE for drinking wat
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	550, Standard Chrome Steel Faucet with Spigot for Water Filter,
1 x	721, Self-Piercing Valve, Feed Water Adapter for Copper Pipe
1 x	TMR-DC-1212, Transformer Power Supply for Delivery Demand Pump
1 x	316, 2nd stage CTA 16 US Membrane filter
1 x	727, Feed Water Adapter 3/8" compression adapter 1/4" inline bal
1 x	773, AC Booster Pump Assembly Large 150-200GPD RO systems SET
1 x	Y3414BR, Garden Hose Y Adapter Shutoff Valve Brass Construction
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water

View Cart	$10,119.68