Versatile application in chilled or hot water systems

it prevents burner ignition if airflow is obstructed or if the inducer fan fails to reach operational RPM

and MP-400 series

an indoor strap-on supply sensor

This universal power module is designed to accept standard AC inputs

Reznor 176680 Gas Valve Refrigerant Versatile application in chilled orThe Reznor 176680 is a standard opening natural gas valve designed for precision fuel regulation in heavy duty unit heaters and industrial furnaces. This 24V gas valve operates with a fixed setting of 3. 5" WC (Water Column) to ensure optimal manifold pressure and consistent burner performance. As a direct OEM replacement part, it is the primary successor to the obsolete Honeywell VR8204M1901, maintaining the exact 1 2" x 1 2" NPT connection specs