Pegasus 7000

Discussion in 'Shower & Bathtub Forum & Blog' started by jmitchum, Jun 20, 2007.

  1. jmitchum

    jmitchum New Member

    Jun 20, 2007
    I recently installed this in my new bathtub. the valve has a single handle with a knob on the tub water spout to redirect water to the shower. Here is the problem. When I turn on the cold water at first all is good. As I continue to turn the handle to the hot the pressure increases and the water starts to drip from the shower head. If I turn the water more toward the hot usually this will usually stop but not always. Is this correctable or am I going to have to replace whole thing? Any ideas would be appreciated thanks.
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Many of these are very sensitive to how they are plumbed..what kind of pipe is used, and if the proper outlet is used. While some valves may have two outlets, one going up for the shower and another going down for the spout, some designs won't work right if you use both. Gravity often wins when water is concerned, but if there are any restrictions, the water can back up and fill the riser tube for the showerhead. You'd have to read the instructions on that particular valve to be sure, but they may have taken the plug out of the second outlet to make plumbing easier, when the manufacturer has indicated you cannot do that or you get exactly what you are seeing. It can also happen if you used pex to feed the spout, since it is smaller inside than copper, and restricts the flow. When the valve is set to warm, you are getting a good flow from both the hot and cold - the max available which is why you are seeing that. When it is only flowing from one side or the other, you have less volume available.
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