Trane TCONT103AN21HA Thermostat 319848-301 the 903005P head pressure controller

the 903005P head pressure controller limits refrigerant flow from the condenser while simultaneously diverting hot gas to the receiver inlet

the Emerson Alco 058085 Power Element (X26300-SW45-1) is a critical replacement component for HF and HFK series thermostatic expansion valves

The Rheem-Ruud 62-21609-05 Pilot Orifice is a critical component for maintaining precise combustion parameters in LP gas furnaces and heating systems

and spark-to-pilot ignition system

Common Questions: Can this switch be used to replace a different temperature-rated limit

Trane TCONT103AN21HA Thermostat 319848-301 the 903005P head pressure controllerThe Trane TCONT103AN21HA is a professional grade, non programmable digital thermostat engineered for precise 2 stage heating and 1 stage cooling applications. As a veteran HVAC technician, I recommend this unit for its reliability in systems utilizing heat pump technology, gas, oil, or electric furnaces. This model is the direct OEM replacement for legacy controls including the TCONT401AN21MA, TCONT401AN21MAA, XR401, and ACONT401AN21MA. It features a