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Will this fit standard residential furnaces
Can this coil be used on 60Hz systems
Designed with a 24V coil utilizing Class F insulation
Contractors should verify the vacuum hose integrity and millivolt circuit continuity when installing this factory-authorized sensing device to restore system efficiency and safety compliance
Lennox 66J78 Limit Switch Els PW 17895 Will this fit standard residentialExperienced HVAC contractors recognize the Lennox 66J78 Limit Switch as a critical safety component for maintaining furnace integrity and preventing heat exchanger damage. This OEM Lennox replacement part is a 36T series disc style control designed for High Limit or Secondary Rollout applications. It features a Normally Closed (NC) circuit that opens on temperature rise to interrupt the heating cycle if internal temperatures exceed safe operating