Intermatic FM1D20-AV-U Timer Els PW 17895 Stable Control Power: Provides a

Stable Control Power: Provides a consistent 24V AC signal to prevent HVAC short-cycling and communication errors between the thermostat and main board

and the package includes an A99 temperature sensor to ensure out-of-the-box functionality for field installations

Key Technical Benefits Direct OEM Replacement: Seamlessly replaces legacy part number 100148397 for simplified field service

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

this replacement pilot valve is likely the culprit

Intermatic FM1D20-AV-U Timer Els PW 17895 Stable Control Power: Provides aThe 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