Lochinvar & A.O. Smith 100111058 Outlet Switch 321894-709 or carbon buildup on the

or carbon buildup on the sensor

To adjust the AFS-405

reducing water waste and thermal shock

Common Questions: When should the A-4000-121 cartridge be replaced

High Torque Performance: Delivers a full 1 Horsepower output to handle the static pressure of 5-ton split systems and large air handlers

Lochinvar & A.O. Smith 100111058 Outlet Switch 321894-709 or carbon buildup on theMaintain the safety and operational integrity of commercial water heating systems with the Lochinvar & A. O. Smith 100111058 Blocked Outlet Switch. This genuine OEM safety control is engineered to monitor exhaust vent conditions in high efficiency appliances, including the BTH, SUF, and HCG Series. Functioning as a critical pressure sensing switch, it detects obstructions in the exhaust path and immediately triggers a system shutdown to prevent the