Trane THT0872 Limit Switch 320735-701 Field technicians should note that

Field technicians should note that this LP gas conversion kit is engineered for units equipped with Williams-branded gas valves and manufactured after 2013

provided it is installed on a compatible McDonnell & Miller feeder or control that is rated for the system's specific pressure and temperature requirements

Environmental Protection: Water-resistant case and isolated bracket ensure safe operation in demanding mechanical environments

ensuring full integration with factory harnesses

Developed for high-reliability performance in International Comfort Products (ICP) residential heating units

Trane THT0872 Limit Switch 320735-701 Field technicians should note thatThe Trane THT0872 Limit Switch is a critical safety component designed for precise thermal regulation within Trane and American Standard residential heating systems. As a high limit safety control, this non programmable sensor monitors the supply plenum temperature to prevent heat exchanger damage. This specific OEM Trane replacement part is calibrated with an L185 40F temperature rating, meaning it is engineered to open the electrical circuit at 185F