Furnace Temperature Limit Switch Replacement For Coleman York And Evcon Furnaces Replaces S1-7945-3281 And S1-7945-3271 Model L140-30F With Auto Reset Compatible With DGAA056BDTA DGAA070BDTA DGAA077BDTA DGAA090BDTA DGAA056BDTB DGAA070BDTB

Single furnace temp limit switch for DGAA units
✔️ Auto reset; opens at 140°F; closes at 110°F; fits DGAA and DGPA models

Replacement furnace temperature limit switch compatible with Coleman, York, and Evcon furnaces. It matches S1-7945-3281 and S1-7945-3271 for quick installation and reliable overheat protection. Typical installations replace worn or failed limit switches to restore safe operation on DGAA, DGPA, DGPH, and DGAH series furnaces.

✅ Replacement part numbers: S1-02535380000, S1-7945-3281, 7945-3281, S1-7945-3271, 7945-3271
✅ Overheat protection: Opens at 140°F (60°C) and auto-resets at 110°F (43°C)
✅ Auto Reset Design: Automatically closes when temperature drops to reset point
✅ Durable construction: Heat-resistant materials with good electrical conductivity
✅ Wide compatibility: Works with DGAA056BDTA, DGAA070BDTA, DGAA077BDTA, DGPA056ABTA, DGPH070ABTA, DGAH077BBSA

💡 What is a furnace temperature limit switch used for in home heating systems?

Here's a handy, plain-spoken answer:

- It protects equipment by cutting power when temperatures exceed a safe limit
- Auto reset models restart after cooling, avoiding manual resets
- Works with Coleman, York, Evcon DGAA/DGPA family furnaces for easy replacement