Description
The Lochinvar & A.O. Smith 100109933 is a Blocked inlet switch kit which is a safe component used in water heaters & boilers. It’s constantly measuring air intake and guarantees that the system works safely because the detector informs the engine about the blocked or limited airflow in the combustion air entrance. In case of blockage, the heater switch turns off to avoid the danger of overheating and consequent damage to the system. This switch kit also increases the safety and performance of HVAC equipment, increases the life of water heaters and boilers, and reduces the overall maintenance and downtime.









