making it a direct-fit solution for technicians performing field service on heat pumps and air conditioning systems

the quartz drive features a self-recharging battery backup that maintains a charge while the primary 24V supply is active

always check the Bard heater kit selection guide before installation

Ease of Installation: The bored-to-size 7/8 inch inner diameter ensures a slip-fit on standard shafts with dual setscrews (one over the keyway and one at 90 degrees) for maximum retention

This valve is designed for low-pressure systems and should not exceed a 15 PSI differential to ensure safety and proper seat operation

Reznor 121599 Gas Valve Refrigerant making it a direct-fit solutionThe Reznor 121599 Gas Valve is a natural gas valve engineered for precision fuel regulation in specific Reznor unit heaters and gas fired equipment. This 24v gas valve is a critical replacement component for maintaining safe burner operation and efficient combustion. It is factory set for 3. 5" WC (water column) outlet pressure, ensuring proper manifold pressure for standard natural gas applications. As a single stage, electronic ignition gas valve,