Lochinvar & A.O. Smith 100173793 Arm Assembly L99H008 Does this control manage the

Does this control manage the system and DHW pumps

As the direct replacement for HN61KL023

optimized for high-capacity flow without sacrificing sensitivity

maintaining long-term system stability and thermal efficiency

Lochinvar & A.O. Smith 100173793 Arm Assembly L99H008 Does this control manage theThe Lochinvar & A. O. Smith 100173793 Arm Assembly is a critical OEM replacement part engineered for high efficiency commercial boilers and heating systems. As a veteran grade gas air arm assembly, this component ensures the precise mechanical alignment necessary for optimal combustion and fluid regulation. Specifically designed for compatibility with Lochinvar Knight series models (including KBN, AWN, and SNA 500), this assembly facilitates the