Built with a heavy-duty bronze body and 1/2" FNPT threaded connections

The 143-80-6 series is highly favored by contractors for its union nut connection

OEM Compatibility: Specifically calibrated for Carrier

Durable Material: Constructed from impact-resistant ABS plastic

Lennox 23W26 Pressure Switch 340155-7024 Built with a heavy-duty bronzeIf you are troubleshooting a refrigerant circuit on a 13ACD or XP21 series unit, the Lennox 23W26 Pressure Switch is the OEM replacement part required to maintain system safety and ASHRAE standards. This low pressure switch is a normally closed component designed for auto reset operation, specifically engineered to open the circuit and stop the compressor when suction pressure drops below the critical 40 PSI threshold. By preventing the system from