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The Hydrolevel 400R (Part Number 45-402) is a professional-grade 24VAC low water cut-off designed specifically for steam boiler applications where a remote mounting configuration is required
000 BTU for LP gas applications
Durable Construction: Heavy-duty housing withstands the vibrations and conditions of mechanical rooms
High Capacity Output: Rated for systems up to 100
Lochinvar & A.O. Smith 100110941 Controller R-22 The Hydrolevel 400R (Part NumberThe Lochinvar & A. O. Smith 100110941 Controller is a mission critical gas valve assembly with adapter engineered for high performance boilers and water heaters. This OEM replacement part is specifically calibrated for VT8800 systems and Hydrosense applications, serving as the primary gas control valve to regulate manifold pressure and ensure optimal combustion efficiency. Designed for natural gas utility, this assembly integrates a precision machined