protecting the heat exchanger and internal components from improper combustion or flue gas recirculation

maintaining high switching frequency and electrical endurance

For contractors performing a Reznor heater gas valve replacement

allowing full flow to the coil upon signal loss

Industrial-Grade Construction: Features a corrosion-resistant aluminum frame and binding posts for secure electrical connections in high-heat environments

Grundfos 59896341 Pump 320720-756 protecting the heat exchanger andThe Grundfos 59896341 (Model UPS15 58FC) is a heavy duty, 3 speed hydronic circulator pump designed for versatility in residential heating systems. Featuring a cast iron pump housing and a high efficiency 1 25 HP motor, this "Super Brute" model operates on 115V power and is engineered for closed loop radiant heating, baseboard, and fan coil applications. The three speed motor allows technicians to adjust the flow rate to match specific system