This Johnson Controls sensing element is calibrated for specialized temperature ranges

Robust Switching: Features a single-pole double-throw (SPDT) configuration for reliable control of heating and cooling cycles

the 89M57 1/2" gas valve offers high-reliability regulation in both residential furnaces and light commercial boilers

as long as the motor pulley accepts an A-section (1/2" wide) belt and requires a 36" circumference

Reznor 195573 Control Borad Freon This Johnson Controls sensing elementEnsure your terminal to terminal communication remains flawless with this genuine Reznor 195573 Direct Spark Ignition (DSI) board. Engineered specifically as a central HVAC control board for gas fired unit heaters and air handlers, this component acts as the primary microprocessor "brain," managing critical ignition sequencing and safety lockdowns. This specific iteration includes an integrated cooling relay, providing specialized logic for units