Using a transformer rated below 40VA in a system requiring it can cause the secondary voltage to sag

By replacing the entire trap mechanism simultaneously

causing the valve to fail to open

Is this gasket compatible with all ICP furnace models

McDonnell & Miller FS7-4W Snap Switch THPU32HP7Y Using a transformer rated belowThe McDonnell & Miller FS7 4W (Part Number 120201) is a heavy duty industrial liquid flow switch engineered for high demand hydronic and process applications requiring a NEMA 4X enclosure. This unit features a 1 1 4" NPT connection and is designed with a brass body and sealed tube construction to isolate the SPDT snap switch from the process fluid. Rated for a maximum pressure of 300 PSI and fluid temperatures up to 300F, it provides high reliability