this is a housing and mounting accessory only

If a replacement O-ring is needed

It can also replace the K16BA-18 if the extra 6 inches of lead length can be properly routed away from direct heat

the protective top layer is resistant to common commercial detergents and constant tactile wear

a longer 24-inch lead can safely replace shorter versions as long as the excess lead is coiled carefully away from direct heat sources

Lennox 27J29 Limit Switch this is a housing andThe Lennox 27J29 Limit Switch is a critical safety component designed for precise thermal regulation in residential and light commercial HVAC systems. This automatic reset limit control features a 7 inch insert, engineered to monitor internal heat exchanger temperatures and prevent catastrophic overheating. With a cut out temperature of 220F and a cut in temperature of 190F, this switch provides a reliable 30F differential, ensuring your furnace or