For industrial HVAC professionals maintaining high-capacity systems

protecting the heat exchanger from localized hot spots

a valve with the appropriate trim and certification for those specific mediums should be selected to ensure accurate blowdown and capacity

the ignitor has failed

Snap-Action SPDT Switching: Ensures rapid contact movement to reduce wear and provide consistent temperature regulation between 110°F and 150°F

Lochinvar & A.O. Smith 100318923 Motor 322838-754 For industrial HVAC professionals maintainingWhen you're dealing with a residential or commercial boiler call, a stuck or failed damper is a common culprit for system lockouts and poor combustion efficiency. This Lochinvar & A. O. Smith 100318923 Motor is a genuine 24v Damper Motor designed to provide precise actuation for air intake and exhaust dampers. As a critical component in the combustion assembly, this motor ensures the correct airflow regulation by physically opening and closing the