Single Pole Switch common-universal-parts/astoria-sight-glass-water-inlet-valves a worn OPV spring or

a worn OPV spring or gasket

100% Benzoyl Peroxide Resistant

Direct panel replacement

These have gone from glass to plastic and back to glass again over the years

always disconnect and lock out power before working on this component

Single Pole Switch common-universal-parts/astoria-sight-glass-water-inlet-valves a worn OPV spring orSingle Pole Switch A single pole "unipole" switch with locking tabs parallel to the voltage terminal, used only in Ascaso home units. This is the current version, replacing the earlier I. 472. COMPATIBILITY Fits: Ascaso home units Replaces: I471 (supersedes the earlier I. 472) INSTALLATION An electrical job best left to a technician, always unplug the machine first and note wire positions before disconnecting.