Question about Kohler K-T12021-4-CP Fairfax Rite-Temp Pressure-Balancing Valve Trim K-T12021-4-BN. Shower Faucets. Fairfax Rite-Temp Pressure-Balancing Valve Trim K-T12021-4-BN. Metal construction. Brass valve body. Rite-Temp pressure-balancing diaphragm design. High-temp

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Kohler K-T12021 temperature setting

Difficult or unable to find the right water temperature. I notice that when the shower is turned off, the handle is horizontal and not vertical as it should be.

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Posted on Jan 02, 2017

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SOURCE: Pressure problem with Kohler shower faucet??

Hi pglaw,

My best guess is the supply valve for the hot side isn't open all the way. This valve is right on the valve and is accessed by taking off the front cover plate. This would still allow the pressure balancing valve to let water through but then you would have a small flow on the hot side.

If this isn't it then then cartridge is bad.

Please rate this response and good Luck,, phil

Posted on Dec 31, 2008

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SOURCE: Kohler shower facuet pressure balancing problem?

ever since the pressure balancing regulations came out for shower valves, they have went from simple to very complicated devices. sounds as if some foreign material caused the valve to stop working. that valve is quit difficult to reassemble correctly because there is only one way it works and can be assemmbled many ways that do not work concerning alignment of the ports. if you dissassemble it and check that all the moving parts are functioning in the balancing cartridge you can then look closely at the alignment of the ports on the cartridge that the handle is connected to. understanding how the port align as the handle is turned should assist you in assembling it correctly......hope this helps.

Posted on Jan 23, 2009

  • 11 Answers

SOURCE: faucet issue

Sounds like it was installed upside down or the cartridge is installed improperly

Posted on May 07, 2009

  • 10 Answers

SOURCE: No hot water pressure on kohler bath / shower faucet

Try draining the system and apply air pressure (min 30psi) to each faucet. Open other hot water faucets to allow pressure to vent. Next try draining and cleaning the hot water tank.

Posted on Oct 24, 2009

  • 5 Answers

SOURCE: Replaced single handle shower faucet with rite

u hve to adjust the temprture ring i think u put it all the way so u lock it ,

Posted on Dec 27, 2009

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1 Answer

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Try draining the system and apply air pressure (min 30psi) to each faucet. Open other hot water faucets to allow pressure to vent. Next try draining and cleaning the hot water tank.

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ever since the pressure balancing regulations came out for shower valves, they have went from simple to very complicated devices. sounds as if some foreign material caused the valve to stop working. that valve is quit difficult to reassemble correctly because there is only one way it works and can be assemmbled many ways that do not work concerning alignment of the ports. if you dissassemble it and check that all the moving parts are functioning in the balancing cartridge you can then look closely at the alignment of the ports on the cartridge that the handle is connected to. understanding how the port align as the handle is turned should assist you in assembling it correctly......hope this helps.

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Good Luck, Phil

Dec 25, 2008 | Plumbing

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