Intermatic FM1D20-AV-U Timer Els PW 17895 this replacement pilot valve is

this replacement pilot valve is likely the culprit

Always verify the specific system piping and internal check valve requirements before using it in a bi-directional heat pump circuit

Durable band construction maintains constant tension for efficient heat transfer

This direct-acting solenoid valve is a standard-drop replacement for gas train assemblies requiring precise flow control and quick response times

This part serves as a foundational component in the pilot light assembly

Intermatic FM1D20-AV-U Timer Els PW 17895 this replacement pilot valve isThe Intermatic FM1D20 AV U is a heavy duty 24 hour 7 day electronic timer module engineered for precise load management in commercial and industrial HVACR environments. As the direct replacement for FM1D20 120U, this unit offers enhanced versatility with a 120 277 VAC universal voltage input, eliminating the need for multiple stock keeping units. It features a robust 15 Amp SPDT relay and 20 programmable setpoints, allowing for complex scheduling of