York S1-7710-3281 Limit Switch Over-tightening can damage the internal

Over-tightening can damage the internal lead insulation and cause a short circuit

Common Questions Which pump models use the 100277953 volute gasket

preventing water ingress along the motor shaft that can lead to premature bearing failure or winding damage

Compatible with various Lennox G-Series and EL-Series gas furnaces

York S1-7710-3281 Limit Switch Over-tightening can damage the internalThe York S1 7710 3281 is a critical 105 85F fan limit switch engineered for precise thermal management within residential and light commercial air handlers and furnaces. As a genuine OEM York part, this bimetal sensor ensures the blower fan activates once the heat exchanger reaches the 105F cut in point and deactivates after cooling to the 85F cut out. This specific temperature differential is vital for preventing short cycling and optimizing latent