Laars Heating Systems R2076600 Pressure Switch 322027-701 Common Questions Is the 347822-762

Common Questions Is the 347822-762 a direct swap for the 326628-762

Interchangeable Design: Allows for quick capacity adjustments in the field without requiring a full valve body replacement

any pitting or structural damage to the metal or ceramic requires immediate replacement to ensure safe operation

Aerated Non-Linting Design: Features advanced aeration to ensure a clean

Laars Heating Systems R2076600 Pressure Switch 322027-701 Common Questions Is the 347822-762The Laars Heating Systems R2076600 Pressure Switch is a critical safety and operational component designed for high efficiency hydronic systems, specifically the Laars Pennant and Mighty Therm II series. Calibrated at 1. 05" WC (Water Column), this PR V pressure switch serves as a blower proving mechanism, ensuring that the combustion fan is generating sufficient airflow before the ignition sequence initiates. For contractors servicing commercial