Common Questions: Why is my compressor making a loud noise at startup

is engineered specifically for use in specialized unit heater models

Direct Fit: Factory-designed mounting points and electrical leads simplify furnace repair for HVAC contractors

Common Questions: Is this pan compatible with legacy clear-pan York furnaces

Lennox 73W20 Limit Switch 323613-751 Common Questions: Why is myThe Lennox 73W20 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces and HVAC systems. As an OEM Lennox replacement part, this L175 30F limit control features a fixed set point, engineered to open the electrical circuit at 175F and automatically reset when temperatures drop to 145F. This SPST (Single Pole Single Throw) switch utilizes a 5 inch stilt mounting insertion depth to monitor