Burnham Boiler 6016066 Limit Switch Designed specifically for 1/2-inch to

Designed specifically for 1/2-inch to 2-inch globe valves

Robust Construction: Built with high-grade materials to withstand the rigorous cycling of industrial and residential heating environments

it ensures proper fitment and restores the system's ability to prevent overheating by interrupting the burner or heating element circuit when air temperatures exceed safe thresholds

this is due to a failed potential relay or thermistor that stayed closed too long

The Type III thermistor used in the STE-1402 has a different resistance-temperature curve than Type II

Burnham Boiler 6016066 Limit Switch Designed specifically for 1/2-inch toThe Burnham Boiler 6016066 Limit Switch is a critical genuine OEM replacement part designed for high limit temperature protection in hydronic heating systems. This 200F manual reset limit switch acts as a fail safe, interrupting the burner circuit if the boiler water temperature exceeds the safe preset threshold. Unlike automatic reset controls, this 1 2" NPT mounted component requires manual intervention once tripped, ensuring that a technician can