White-Rodgers F89-0148 Well Common Questions Is the timer

Common Questions Is the timer module included with the FM-SU kit

Designed with a single-pole single-throw (SPST) configuration

leak-proof interface for standard refrigerant filtration tasks

Is the housing suitable for outdoor use

preventing common ignition failures such as weak sparks or delayed lighting

White-Rodgers F89-0148 Well Common Questions Is the timerThe 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