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By sensing excess heat at the vent assembly
It operates on a 24 VAC/VDC power supply and provides a standard 0-2000 PPM CO2 measurement range with a rapid 1-minute response time
Enhanced Flow Control: The 3-way configuration allows for sophisticated mixing and diverting to protect the heat exchanger from thermal shock
and FAN3719
the TC-4111 serves as the direct replacement for discontinued models such as the HYDK-21B and HYDK-22B
Nordyne 903977 Door Assembly 320788-702 By sensing excess heat atThe Nordyne 903977 Door Assembly is a critical OEM HVAC replacement part engineered specifically for mobile home and residential furnace cabinets. This heavy duty assembly, featuring an integrated door latch, provides an airtight seal that is essential for maintaining proper static pressure and furnace efficiency. Designed as a direct application for Nordyne furnace modelsincluding the popular M3RL seriesthis component ensures the blower compartment
US$ 34.95
US$ 34.95
US$ 119.95