Durable Construction: Heavy-duty lead-free brass body with tamper-resistant bonnet screws for localized security and reliable mechanical performance

outperforming standard probes in high-mineral environments

Installation Versatility: Features reversible rotation and a rigid base

and retainer assembly essential for maintaining hydronic heating system efficiency

Does the "Intake Side" hub location matter

Lochinvar & A.O. Smith 100110383 Assembly 318423-701 Durable Construction: Heavy-duty lead-free brassThe Lochinvar & A. O. Smith 100110383 Assembly is a precision engineered main burner with pilot bracket designed for high performance residential and commercial natural gas water heaters and boilers. As a critical OEM replacement part, this burner assembly ensures a stable, clean combustion process, which is essential for maintaining strict thermal efficiency and reducing carbon buildup within the heat exchanger. The integrated pilot bracket is