as well as high-capacity 926-1826 units

and ensuring proper airflow in combustion air systems

A reading outside the manufacturer's specified range typically indicates a failing HSI component

Designed to meet strict engineering standards

This part number is for the replacement diaphragm only

Johnson Controls T46SAA-1 Thermostat Els PW 17895 as well as high-capacity 926-1826The Johnson Controls T46SAA 1 is a robust line voltage fan coil thermostat engineered for precise heating and cooling applications in commercial and residential HVAC systems. Designed with heavy duty construction, this manual changeover thermostat features a Heat Off Cool system switch and an integrated Lo Med High fan switch for direct control of multi speed fan motors. The unit operates within a 40 to 90 degree Fahrenheit setpoint range, providing