Lennox 13R26 Pressure Switch 320788-704 and 310AAV series units across

and 310AAV series units across the Carrier family of brands

and Payne gas furnaces for seamless HVAC part replacement

5 inches across the outermost points

this board is the exact functional equivalent and will drop into your existing control circuit

When you are looking for a brass flare branch tee that stands up to the rigors of commercial refrigeration

Lennox 13R26 Pressure Switch 320788-704 and 310AAV series units acrossThe 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