This specific model is calibrated for 3"-6" WC

5-inch copper sheath

Steam Rated Reliability: Built for low-pressure steam applications up to 15 psig

When you're out on a call for Modine gas unit heaters like the HDC60 or HD75

this condensing furnace heat exchanger is a critical component for restoring the combustion cycle in compatible Heil

Lochinvar & A.O. Smith 100144992 Fan Assembly 323269-701 This specific model is calibratedThe Lochinvar & A. O. Smith 100144992 Fan Assembly is a critical OEM replacement part designed for high efficiency commercial boilers and water heaters. This 115V blower motor assembly manages precise combustion air delivery, featuring a 1 2 HP motor balanced for high static pressure applications. Operating at a fixed 1650 RPM, it ensures stable manifold pressure and optimal heat exchanger performance. This unit is the direct manufacturer mandated