This part fits your Unit Heater
Mh 2 stg valve nat 3/4 in spark
OEM Part - Manufacturer #177397
This part fits your Unit Heater
Gas valve 36h32-441 3/4 nat 24v
OEM Part - Manufacturer #221525
This part fits your Unit Heater
Valve 36h32-442
OEM Part - Manufacturer #221526