which allows for versatile mounting and sensor bulb placement even in confined air handler or cased coil configurations

providing a direct replacement for 55-100835-44S

this specific model is bored exclusively for a 1/2" shaft

The FF2H is an "Auto-Off" model without a "Hold" feature

always use 18 AWG twisted

Trane TCONT103AN21HA Thermostat 320735-701 which allows for versatile mountingThe 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