Facilitates Accurate Combustion: Helps eliminate common issues like yellow tipping or lifting flames caused by incorrect orifice sizing

This OEM part is essential for balancing branch lines or limiting air consumption in controllers and actuators

The robust insulation prevents voltage leakage and electromagnetic interference

effectively breaking the electrical circuit to the gas valve or heating elements if the plenum temperature exceeds safe operating thresholds

Visible moisture or steam escaping near the bellows base

York S1-025-35358-000 Limit Switch Facilitates Accurate Combustion: Helps eliminateThe York S1 025 35358 000 Limit Switch is a safety critical manual reset furnace limit switch designed for York, Coleman, and Luxaire HVAC systems. Engineered to monitor internal heat exchanger and burner temperatures, this 150F M R Limit Switch acts as a primary fail safe by opening the electrical circuit when ambient heat reaches the 150F threshold. Unlike auto reset controls, this manual reset switch requires a technician to physically inspect the