Lochinvar & A.O. Smith 100304118 Control R-22 Replacing it restores the calibrated

Replacing it restores the calibrated water timing necessary for accurate volume

For service professionals maintaining light commercial and residential Reznor cooling equipment

this unit integrates seamlessly with pneumatic control loops

Both provide the same low water cut-off protection

Lochinvar & A.O. Smith 100304118 Control R-22 Replacing it restores the calibratedThe Lochinvar 100304118 User Interface Control Board is a critical OEM replacement component engineered for precise communication between the technician and the boilers central processing unit. As a genuine Lochinvar boiler part, this interface allows for real time monitoring of HVAC parameters, sensor feedback, and modulation rates. Designed to integrate seamlessly with the SMART SYSTEM control architecture found in Knight, Cadet, and Armor series