The Source 1 S1-02527747002 is a genuine OEM temperature limit switch designed for compatible York HVAC equipment. The control opens at 200°F and requires manual reset.
Replaces / Supersedes: S1-025-27747-002
Specifications
Verify the existing part number and equipment compatibility before ordering.
Most orders placed by 5 PM EST ship the same day, so you won’t have to wait for cleaner air. We stock the most common sizes and offer free shipping on orders over $50, making it simple to stay on schedule and keep your system running smoothly.
Learn moreFor more than 70 years, our family has helped homeowners take care of their heating and cooling needs. What started as a small garage business has grown into a trusted online store. Every order is handled with the same care and commitment that has guided us since day one.
Learn moreWe stock filters and home comfort products from trusted brands like Lennox, Aprilaire, and Honeywell. Each order is carefully packed and shipped ready to use. With Same Day Supply, you can count on dependable products, friendly service, and the right fit for your home.
Learn more