Lennox 72L12 Contactor 326010-701 Technicians should inspect for leakage

Technicians should inspect for leakage or mineral buildup during annual maintenance

Efficient Installation: Compact design with a standard mounting bracket for rapid field replacement in commercial air handlers

this SPDT model provides a "changeover" action

The York S1-025-35361-000 Limit Switch is an essential safety component engineered for precise thermal monitoring within furnace heat exchangers

The M420B features adjustment points on both sides

Lennox 72L12 Contactor 326010-701 Technicians should inspect for leakageThe Lennox 72L12 is a professional grade 2 pole definite purpose contactor engineered for heavy duty HVACR applications. Operating with a 24V coil, this contactor is rated for 40 amps and is specifically designed to manage the high inductive loads associated with compressors and fan motors in residential and commercial condensing units. As a direct replacement for the 3100 20Q18999C, the 72L12 ensures seamless HVAC part compatibility and structural