the 1980-030 thermocouple is a cross-reference match for multiple Honeywell Q340A and Q390A models where a 30-inch lead is required

this control provides the precise thermal regulation required for safe operation

000 Ohm NTC thermistor (Type II) element

covering port sizes from the 200RB2 up to the 200RB6

Trane TRR1729 Transformer the 1980-030 thermocouple is aThe Trane TRR1729 Transformer is a critical OEM HVAC replacement part engineered to provide stable 24V control power for residential and commercial heating systems. This 115V to 24V furnace transformer features a 35VA rating, providing sufficient volt ampere capacity to manage the inductive loads of contactors, gas valves, and electronic control boards without saturation. As a direct drop in for legacy part numbers C340041P05, C340041P04, C340041P01,