The hardware itself is a passive resistive device

and 97L4801

OEM Fitment: Drop-in replacement for specific Carrier and Bryant packaged units

Will this resolve vacuum pressure switch issues

or an undersized duct system causing the heat exchanger to overheat

Lochinvar & A.O. Smith 100109888 Gas Valve 320788-704 The hardware itself is aThe Lochinvar & A. O. Smith 100109888 Gas Valve is an OEM natural gas control valve engineered for precision combustion in high efficiency boilers and water heaters. Designed for 24V applications, this negative pressure gas valve facilitates the exact air to fuel ratio required for modern condensing units. For technicians troubleshooting a "GV Relay Fail" or ignition lockout, this valve serves as the direct replacement to restore reliable burner