Lennox Y8852 Limit Control 328140-751 this miniature air filter regulator

this miniature air filter regulator is factory-configured for a low-pressure 1-25 PSI range

Verify the side pilot outlet connection and ensure the thermocouple or thermopile is generating sufficient voltage to held the safety magnet

System Compatibility: Engineered as a genuine Lennox replacement part to ensure exact fitment within the furnace cabinet

eliminating setup time

What does it mean if the indicator is partially green and partially yellow

Lennox Y8852 Limit Control 328140-751 this miniature air filter regulatorThe Lennox Y8852 is a 7 inch limit control switch designed for reliable temperature regulation and safety shutdown in HVAC heating systems. This L597BA fan limit control is commonly used in furnaces and air handlers to monitor plenum temperature and protect against overheating conditions. Built with a 7" insertion length, this furnace limit control ensures accurate sensing deep within the heat exchanger area, providing consistent fan operation and