the board's logic or internal relays have likely failed

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

this Bard electric heat kit component ensures your 480V system operates at its nameplate capacity

Does this unit replace 24V sequencers

This OEM replacement motor is rated to be 115V

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