Originally Posted by ChampioNman #0394408 is the gasket/diaphragm the Venatherm (thermostat) screws into it and you apply gasket sealer on the surface prior to install. #0434107 is the number for the T'stats. Im getting a different number for the Tstats.104 0394409 THERMOSTAT ASSY.
Originally Posted by ChampioNman
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