Amana-Goodman 20030204 Pressure Switch The York S1-024-21218-700 Relay is

The York S1-024-21218-700 Relay is a heavy-duty 24V SPST Relay designed for reliable low-voltage control switching across York

and Payne residential gas furnaces

and Gibson units

preventing electrical feedback and ensuring efficient HVAC blower motor control

Amana-Goodman 20030204 Pressure Switch The York S1-024-21218-700 Relay isThe Amana Goodman 20030204 Pressure Switch is a critical safety component designed for specific high efficiency furnace models. This differential air pressure switch is factory calibrated to a 1. 05" WC set point, ensuring precise monitoring of the inducer motor's draft performance. Featuring a Single Pole Single Throw (SPST) normally open configuration, it prevents the ignition sequence if proper venting or combustion air levels are not detected. The