Description
York S1-025-43289-000 L255F-30 Auto Limit Switch Overview
The York S1-025-43289-000 is an OEM-grade L255F-30 automatic reset limit switch engineered for use in York heating systems and furnaces. This safety control monitors heat exchanger temperatures and automatically interrupts burner operation when temperatures exceed the preset limit, protecting equipment and occupants from dangerous overheating conditions. Once temperatures return to a safe operating range, the auto-reset function restores normal system operation without requiring manual intervention — minimizing downtime and service calls.
Key Features
- OEM York replacement part — ensures precise fit and reliable performance
- Automatic reset operation — restores normal function once safe temperatures are reached
- L255F-30 series design — built to York factory specifications for compatible heating equipment
- High-limit safety protection — interrupts burner operation to prevent heat exchanger damage and overheating hazards
- Durable construction — designed for long service life in residential and light commercial furnace applications
- Direct OEM replacement — simplifies installation and eliminates compatibility guesswork
Application
This limit switch is a direct OEM replacement for compatible York furnaces and heating units. It is designed to be installed by qualified HVAC technicians as part of routine maintenance, system repair, or safety control replacement. Always consult the equipment’s service manual and verify compatibility with your specific York model before installation.
Why Choose OEM York Parts?
Using genuine York replacement components like the S1-025-43289-000 ensures your system operates within factory-specified safety parameters. OEM parts maintain warranty integrity, support peak system efficiency, and reduce the risk of callbacks caused by aftermarket fit or performance issues.
