Delta Thermostatic Valve Question

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by thebigsee, Nov 9, 2009.

  1. thebigsee

    thebigsee DIY Member

    Joined:
    Sep 24, 2009
    Location:
    Southern California
    Just put in a Delta Thermostatic Valve (R19000-WS rough-in; T19288 trim). There's separate volume and temperature controls. Never used one of these and I followed the directions for temperature calibration and I've found that with the water calibrated for as hot as possible (I like hot showers!), I can't get really cold on the other end of the spectrum -- the coldest it gets is lukewarm.

    Is that just how these valves are? Or did I do something wrong? I can do about a 320 degree turn on the temperature control, seems like those 40 missing degrees of turn keeps me from the 100% cold water.
     
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