If the compressor is humming but failing to turn over

it provides superior protection for expansion valves and compressors by capturing solid contaminants like metallic debris and sludge

as long as the system utilizes standard 1/4" O

Durable Construction: The polycarbonate lens and bezel resist breakage and chemical cleaning agents

making it suitable for high-pressure R-410A systems

Lennox 71J07 Limit Switch If the compressor is hummingThe Lennox 71J07 Limit Switch is a high precision, normally closed safety component designed for critical temperature regulation in heating systems. Engineered by Therm O Disc (Model 36TX11, 36T series), this disc style limit switch features an automatic reset function that ensures seamless system recovery once temperatures stabilize. With an open temperature threshold of 175F and a close temperature of 155F, this L175 20 limit switch effectively