Viessmann 7868810 Pressure Switch R-134A Key Benefits for Contractors: Precise

Key Benefits for Contractors: Precise OEM Fit: Features a standard 5/16" bore size for a direct slide-on fit with existing motor shafts

Industrial-Grade Aluminum: Lightweight but rigid construction resists deformation under high RPMs and withstands humidity and temperature fluctuations

ensuring airtight integrity for the cabinet

Ensure the close-off pressure requirements and the Cv rating match your original submittal

Key Benefits OEM Compatibility: Specifically engineered for the Utica and Dunkirk Q90-50

Viessmann 7868810 Pressure Switch R-134A Key Benefits for Contractors: PreciseThe Viessmann 7868810 Air Pressure Switch is an essential safety component engineered for precision monitoring of combustion air and flue gas flow within high efficiency heating systems. This differential pressure switch integrates a factory calibrated 131A cable assembly, ensuring seamless communication with the burner control unit. By detecting minute changes in static or differential pressure, the 7868810 ensures that the inducer fan is providing