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This part fits your Unit Heater
High limit switch
OEM Part - Manufacturer #3H0400780002
This part fits your Unit Heater
Flame Rollout Switch
OEM Part - Manufacturer #5H75002-4
This part fits your Unit Heater
Air Pressure Switch
OEM Part - Manufacturer #5H79441-9
This part fits your Unit Heater
High Limit Switch (Surface Mount)
OEM Part - Manufacturer #5H75002-5