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specifically the GY9S and L9S upflow natural gas condensing furnace models
High Load Capacity: Rated for up to 21 Amps and 2 HP at 250 VAC
Engineered for industrial-grade reliability
The Macon Controls VENT-1/8 is a professional-grade 1/8" NPT straight steam air vent specifically engineered for one-pipe steam systems
Armstrong Furnace R40403-003 Control Board Els PW 17895 specifically the GY9S and L9SThe Armstrong Furnace R40403 003 is a direct OEM replacement blower control fan timer board, engineered to regulate the timing and sequence of the indoor blower motor in residential forced air systems. This furnace control board is the designated successor to the discontinued 40403 001 model, offering exact form fit function for 80% and 90%+ AFUE gas furnaces. As a solid state timer board, the R40403 003 manages internal safety logic and fan off
US$ 79.00
US$ 93.00
US$ 29.00
US$ 76.00