Narrow Differential Control: Optimized for applications requiring precise temperature regulation without wide swings in thermal cycles

it is important to note that the 14004552-001 is identical to 14004552-001/U

Always verify the part number against the unit’s data plate to ensure specific revision compatibility

Smith 100208176 Limit Switch is a critical safety component engineered to monitor and regulate water temperatures in high-efficiency domestic and commercial heating systems

such as fan coils and reheat coils

Lennox 15W56 Pressure Switch Freon Narrow Differential Control: Optimized forEnsure the safe and efficient performance of your heating system with the Lennox 15W56 Pressure Switch. This genuine OEM replacement part, also identified as 65289300, is a critical safety component designed to monitor airflow and venting pressures within the combustion chamber. Engineered specifically for Lennox furnaces and unit heaters, this SPST pressure switch features a precise 0. 43" WC setpoint and a standard 1 4" barb connection for seamless