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the 18118 is designed to maintain electrical integrity under the extreme heat of steady-state burner operation
OEM Integration: Specifically designed to fit the internal mounting rails of compatible air handling units for a secure
Common Questions Is the TOOL-87 compatible with legacy AL-87 pneumatic fittings
Direct Integrity: Built to original manufacturer specifications
Heavy-Duty Construction: Manufactured from high-grade materials to resist corrosion in commercial heating environments
Patterson-Kelley 26-0000-0297 Pressure Switch R-134A the 18118 is designed toThe Patterson Kelley 26 0000 0297 High Gas Pressure Switch is a critical safety component designed for heavy duty commercial boiler gas trains. Engineered to monitor inlet gas pressure, this OEM replacement part ensures that your heating system operates within safe hydraulic and pneumatic parameters. This switch is typically integrated into the NURO control system or legacy Patterson Kelley platforms, where it functions as a manual reset safety limit
