this is the enclosure cover only

Field Reliability: Durable construction resists thermal degradation within the boiler cabinet

The PE-09-6140 limit switch is a standard safety control for commercial HVAC maintenance

What are the exact dimensions for installation

typically up to 30 PSI

Rheem-Ruud 42-102056-03 Pressure Switch Els PW 17895 this is the enclosure coverThe Rheem Ruud 42 102056 03 Dual Pressure Switch is a critical safety component designed for high efficiency gas furnaces, including the RGRM series and models from Weather King and Corsaire. This OEM replacement pressure switch features a dual sensing configuration calibrated to specific trip points: 0. 86" W. C. and 1. 20" W. C. As a normally open switch, it monitors the vacuum created by the inducer motor to ensure proper venting and combustion