York S1-025-29041-005 Limit Switch The single-pole double-throw (SPDT) configuration

The single-pole double-throw (SPDT) configuration provides versatility for normally open (NO) or normally closed (NC) logic

The Trane SWT1277 Limit Switch is a critical safety component designed for precise thermal regulation in Trane and American Standard HVAC furnaces

indicating that an underlying issue

blue flame for reliable ignition and reduced carbon monoxide production

Common Questions Is the 64460-001 compatible with my older Wayne burner

York S1-025-29041-005 Limit Switch The single-pole double-throw (SPDT) configurationFor contractors servicing York and Coleman heating equipment, the York S1 025 29041 005 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring. This auto reset limit control is engineered with a 3 inch insert (3" stem) and features a specific thermal profile where the contacts open at 140F and automatically close at 110F. If you are troubleshooting a furnace short cycling or encountering a 4 red light flash code