the ZS-101 base plate is highly recommended for round ductwork or when the mounting surface is too thin to support the combined weight of the shield and actuator

you can verify functionality by measuring resistance

and eventual failure of the compressor or fan motor

and all necessary O-rings for the stem

or improper gas pressure leading to flame roll-out

Parker 70564 Solenoid Valve Els PW 17895 the ZS-101 base plate isThe Parker 70564 Solenoid Valve, also identified by the GP457 model number, is a high performance 1 2 inch NPT solenoid valve specifically engineered for saturated steam service. This normally closed solenoid valve features a rugged brass body and a stainless steel seat insert to withstand high temperature environments up to 300F. Designed with an ethylene propylene (EPT) diaphragm and specialized seals, it provides reliable flow control with a 3. 35