Lennox 65W67 Pressure Switch 320720-756 and necessary O-rings to address

and necessary O-rings to address common failure points such as internal leakage or pilot orifice clogging

Certified Safety: UL-recognized Class 2 design meets rigorous safety standards for low-voltage power supplies

Built with a rugged outer cover to protect internal electronics during installation

the A19ADB-11 provides the necessary manual lockout protection required for industrial safety protocols

relay status

Lennox 65W67 Pressure Switch 320720-756 and necessary O-rings to addressEnsure your refrigeration or HVAC equipment operates within safe parameters with the Lennox 65W67 Pressure Switch. This high side safety component is engineered to monitor discharge pressures and prevent compressor damage due to excessive head pressure. Rated as a 450 300 high pressure switch, it features a trip point at 450 PSI and a reset point at 300 PSI. Designed for professional field replacement, this manual reset pressure switch is a critical