drop-in replacement for legacy part numbers 626469 and 626469R

For contractors handling field repairs

this gasket fits standard 2-bolt flange patterns used in various commercial hydronic circulators matching the ARM1013 specification

often caused by a restricted flue

York S1-024-40873-000 Pressure Switch drop-in replacement for legacy partThe York S1 024 40873 000 Pressure Switch is a critical safety component engineered for precise airflow monitoring in modern HVAC systems. Designed with a 0. 85" WC setpoint, this SPNO (Single Pole Normally Open) switch utilizes a "Close On Fall" logic to confirm the inducer motor is moving exhaust gases safely through the vent system. As a direct OEM replacement for S1 024 35786 000, it ensures factory spec calibration and timing for sequence of