providing a hard break in the safety circuit when internal plenum temperatures exceed the factory-defined threshold

it is recommended to inspect and reuse or replace existing silicone vacuum hoses to ensure no leaks

this OEM component maintains the original calibration standards required for equipment safety and efficiency

System Efficiency: Precise calibration maintains stable superheat

White-Rodgers F89-0148 Well providing a hard break inThe White Rodgers F89 0148 is a professional grade immersion well designed for seamless integration with hydronic control systems. Engineered with a 1 2" NPT standard shank, this well provides a robust pressure sealed interface between the system fluid and the temperature sensing bulb, preventing leaks while ensuring high thermal conductivity for precise response times. This model is specifically sized for hydronic controls requiring a bulb dimension