Preferred $100-ish thermostatic mixing valve for shower?

Discussion in 'Shower & Bathtub Forum & Blog' started by Garn, Jan 29, 2021.

  1. Garn

    Garn New Member

    Jun 5, 2015
    My top candidates, based on affordability, are the SentinelPro Thermostatic Pressure Balanced Shower Valve by Speakman and the 1/2 in. Thermostatic Temperature and Volume Control Tub and Shower Valve and Cartridge by Pfister. Do you have a preference between these two--or some other valve at a similar (roughly $100) price?

    Do you know which of the three types of non-digital sensing elements, liquid-filled bellows, wax, or bimetal, the Pfister valve uses?

    The Pfister has a better warranty than the Speakman, but that only tips the balance if its sensing element is of an equally good or better type. The Speakman's is wax-based. The three types vary considerably on longevity according to this:

    Here are the valves:
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