Lennox 13R26 Pressure Switch 320788-704 The Sporlan 470110 should be

The Sporlan 470110 should be sized based on the system's total refrigerant charge

and 310AAV series units across the Carrier family of brands

Most failures result from carbon fouling or cracked ceramic insulation

ensuring the correct pitch and diameter is critical to prevent motor overheating and ensure optimal heat transfer across the condenser coils

protecting against excessive pressure caused by control failure

Lennox 13R26 Pressure Switch 320788-704 The Sporlan 470110 should beThe Lennox 13R26 Pressure Switch (model 614285 03) is a precision engineered high pressure switch designed to protect the compressor and refrigerant circuit from extreme pressure spikes. This genuine Lennox OEM replacement part is built for heavy duty performance in residential and commercial condensing units, ensuring the system remains within safe operating parameters. By monitoring the high side refrigerant line, this switch prevents terminal