Trane KIT20350 Control Kit Board Els PW 17895 Antunes recommends mounting the switch

Antunes recommends mounting the switch horizontally with the inlet stem pointed downward

It is typically used for controlling air dampers and valves in air handlers and rooftop units where 2-position or floating logic is required

or crank arms

If you observe water running out of the overflow drain while the unit is powered down

Durable Bimetal Sensing: Utilizes high-quality bimetal elements for long-term stability and resistance to environmental interference

Trane KIT20350 Control Kit Board Els PW 17895 Antunes recommends mounting the switchThe Trane KIT20350 Control Kit Board is the essential OEM furnace ignition upgrade designed to restore reliable operation in 80V and 120V systems. As a veteran grade integrated furnace control (IFC) replacement, this kit is specifically engineered to replace aging or failing CNT5159 and CNT4984 (as well as CNT08012) modules. By converting older silicon nitride ignitor configurations to the current 120V standard, the Trane KIT20350 resolves common "no