Using this genuine Reznor kit ensures full compatibility with your gas-fired heater

This precise HVAC frequency control is critical for maintaining high part-load efficiency and protecting the compressor motor from thermal stress

Electric direct-acting solenoid provides immediate response for critical gas-train sequences

offering reliable continuous duty in commercial hydronic heating

Operational Reliability: Critical for proper defrost control

Lochinvar & A.O. Smith 100166434 Pump 320788-703 Using this genuine Reznor kitThe Lochinvar & A. O. Smith 100166434 Circulator Pump is a heavy duty, 3 speed hydronic component engineered specifically for high efficiency heating systems, including the Lochinvar Knight KBN080 through KBN210 series. Built with a rugged cast iron housing and a 1 6 HP motor, this 115V 60Hz assembly is a direct replacement for the obsolete PUM3020. Operating as a wet rotor, water lubricated unit, it eliminates the need for manual oiling while