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	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
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2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
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1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	bulk205, Carbon Block Filter

View Cart	$1,347.88

1 x	SC412, Water Softening Filter Calcium Magnesium Hardness Removal
1 x	1st stage SF05 sediment filter (replace every 6-12 months)
2 x	MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x	HK120-PUMP KoolerMax Aeroponics Hydroponics System Booster Pump
1 x	CBV-38, Tank Ball Valve to 3/8 tubing
1 x	EMT-10, Empty Filter Cartridge Casing Housing
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
1 x	709, Automatic Shut Off Valve 4-way Four Way Valve
1 x	SC208, Specialty Filter Iron Lead and Heavy Metal Removal Filter
1 x	531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x	MK225, Maintenance kit for Honeywell RO9100 Filtercold RO5 AV180
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	KF511, Polished Chrome Cross-Handle with Gold Trim Faucet
1 x	7044-K Union Tee Connector Fitting Compression type 1/4"
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	FM214G, FM-6710M DigiFlow Digital Water Flow Meter Gauge Moniter
1 x	673, Replacement UV Lamp Light for 602 (6 Watts)
2 x	Special, Single Stage Housing Bracket Shell Connection Kit
1 x	FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x	5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x	KF612, Elite Series: Oil Rubbed Bronze ORB Drinking Water Faucet
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
2 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
2 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	SC227, Specialty Filter Refillable Color Changing DI Filter 20"
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x	732, Inline Pressure Gauge 0 to 300 psi for RO filter system
1 x	KF355, Antique Brushed Brass / Iron Finish Drinking Water Faucet
1 x	FRQ200, Flow Restrictor 200ML / min
1 x	.SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x	bulk205, Carbon Block Filter

View Cart	$1,347.88