Quote:
Originally Posted by rotorwrench
I believe the bowl gasket forms part of the seal for the power valve actuator but I haven't worked on the 1901.
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I am not sure, but here is a picture of the top of the bowl along with the minimizer valve (installed and another one beside it). It appears that the seal for the minimizer valve is formed by the rubber gasket in the top of it, along with the ring and the three screws.
FYI: The bowl is not leaking from the gasket, if that is a true test of the gasket seal.