Williams P321888 Manifold Adapter Els PW 17895 It should only be used

It should only be used with a 24-volt transformer and intermittent pilot or standing pilot ignition systems depending on the specific boiler series

You can flip the unit to achieve either clockwise or counterclockwise spring return

ensuring reliable refrigerant flow control to prevent liquid slugging of the compressor while maximizing heat transfer efficiency

using a switch with the exact water column rating is mandatory

Williams P321888 Manifold Adapter Els PW 17895 It should only be usedThe Williams P321888 Manifold Adapter is a precision engineered OEM replacement part designed specifically for residential and commercial Williams Forsaire furnaces equipped with a standing pilot system. As a veteran grade HVAC replacement part, this adapter ensures a secure, leak free connection between the gas valve and the burner manifold, critical for maintaining proper manifold gas pressure. Furnace manifold repair often requires specific