Larger valves require specific kits (like the BF-2-KIT) due to different diaphragm chamber clearances

the A421AEC-01 is engineered for wash-down environments and corrosive atmospheres where standard controls fail

Key Benefits: Variable Speed Performance: Delivers precise airflow adjustments to maintain comfort and maximize system efficiency

Common Questions: How do I know if the oil temp control has failed

the MOT11994 is the frequent successor to several 1075 RPM versions

Lochinvar & A.O. Smith 100277799 Probe 323269-701 Larger valves require specific kitsThe Lochinvar & A. O. Smith 100277799 Probe is a critical safety component engineered for precision low water cut off (LWCO) monitoring in high efficiency commercial and residential heating systems. Designed to integrate seamlessly with the Lochinvar FBL and FBN series boilers, this probe detects the presence of water via conductivity to prevent dry fire conditions that cause catastrophic heat exchanger failure. As a veteran technician knows,