Intermatic FD2HW Timer 322838-753 Use a multimeter to check

Use a multimeter to check for continuity across the terminals while the system is cool

this component is 100% interchangeable with the Armstrong 6005671 model

this inducer blower is rated for use with both Natural Gas and Liquid Propane (LP) GPVL series units

While primarily designed for the UP26 and UP43 series

Intermatic FD2HW Timer 322838-753 Use a multimeter to checkThe Intermatic FD2HW is a heavy duty 2 hour spring wound timer engineered for professional grade reliability in demanding HVACR and electrical environments. Designed as a direct, energy efficient mechanical timer replacement for standard decorator style wall switches, this unit operates without the need for a neutral wire or external power source, making it an ideal choice for retrofit applications. It features a robust SPST switch configuration