Lochinvar & A.O. Smith 100111255 Control Board 322056-301 With a temperature range of

With a temperature range of 150°F to 400°F and a 36-inch capillary

000 BTU capacity and a factory-set 50 PSI pressure rating

ensuring consistent system performance

Rated for 200 PSI at 400°F and up to 400 PSI at 100°F

making it a staple for commercial cooling and air conditioning applications

Lochinvar & A.O. Smith 100111255 Control Board 322056-301 With a temperature range ofThe Lochinvar & A. O. Smith 100111255 Control Board is a critical OEM replacement part designed for high performance commercial water heaters and hydronic heating systems. As a central control board, it manages vital system diagnostics, ignition sequences, and multi stage temperature regulation to ensure peak operational safety. This HVAC control module is the direct replacement for obsolete part number 9006520005, engineered to restore factory spec