The Honeywell 30 Replacement Thermocouple offers the ideal fit for gas furnaces boilers and water heaters that operate on 30-millivolt systems. It includes an adapter that allows for easy mounting on most pilot burners including push-in clamp-in and screw-in burners. This 30 thermocouple assures for maximum durability because it s comprised of heavy and long-lasting elements that increase its lifespan. Designed for swift installation the Honeywell thermocouple replacement comes with positive positioning.