Water running continuously nonstop drain when tank is full:

The drain should stop when the tank is full and you're not using water.

If the water keeps draining, then there are 2 possibilities:

1. the auto-shut-off valve is not functioning correctly, need to replace the valve. This is the device that has 4 tubing connected to it. It looks like a square block or disc shape

2. the check valve is not working correctly.

Both are wearable parts that need to be changed every 2 to 3 years along with the membrane flow restrictor.

Here's the part you need: RO Maintenance Kit Please make sure to select the corresponding maintenance kit for your RO system model. Any questions please feel free to email us.

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1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK420, Maintenance kit for RO565
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart	$600.00

1 x	KM701, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x	B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x	Optional 225UP 5th stage Inline Alkaline upgrade(includes media)
1 x	Parts, Ro Water System Installation Parts Bag 1/4"
1 x	4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x	213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x	Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x	818, DI Resin Refill Bag 16oz (good for up to three refills)
1 x	701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
2 x	701, FH1014 Filter Housing Chamber Casing White Color 1/4 FPT
1 x	215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x	Optional 5th or 6th Stage upgrade inline DI filter(color change)
1 x	205, 3rd stage solid carbon block filter (replace every 12month)
1 x	BUNDLE PACK ANNUAL FILTER KIT FK3 WaterGeneral 102 150 (3 ITEMS)
1 x	201, 1st stage sediment filter (replace every 6-12 months)
2 x	Optional: 564 Membrane Filter Housing Wrench Opener
1 x	Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x	2nd stage C10 carbon block filter (replace every 6-12 months)
1 x	MK550, Maintenance kit for RO585, RD102, RD106, RO6, K5, K6
1 x	733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
1 x	MK420, Maintenance kit for RO565
1 x	205 2nd stage solid carbon block filter (replace every 12 month)
1 x	CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x	KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT

View Cart	$600.00