the board's logic or internal relays have likely failed

ensuring the draft inducer motor is moving sufficient air to vent combustion gases safely before allowing the ignition sequence to proceed

This OEM replacement motor is rated to be 115V

the FS1038 is the primary technical direct replacement for part number R40638-001

Robertshaw 710-503 Gas Valve 30067439-890 the board's logic or internalThe Robertshaw 710 503 Gas Valve is a millivolt (MV) low capacity gas valve engineered for precision fuel regulation in high density or confined installations. Designed as a reliable 7000MVRB 5 LC replacement, this 1 2" NPT inlet x 3 8" NPT outlet valve is a staple for residential hearth professionals and light commercial technicians servicing gas fireplaces, wall heaters, and low BTU appliances. Its Hi Lo regulator functionality allows for accurate