Extreme Heat Resilience: Built with a 70°C ambient temperature rating to prevent nuisance tripping during high-load cycles

Fast Actuation: The high-response 24V solenoid provides immediate gas flow control

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Durable Construction: Engineered to withstand the thermal stress of frequent cycling in demanding HVAC environments

Lochinvar & A.O. Smith 100191014 Gasket 318518-761 Extreme Heat Resilience: Built withThe Lochinvar & A. O. Smith 100191014 Gasket is a critical manifold gasket kit engineered specifically for high capacity boiler manifold sealing. Designed for professional use in FBN4000 and FBL4000 models, this OEM kit ensures a high integrity seal between the manifold door and the combustion chamber. As a veteran grade HVAC replacement part, it is purpose built to maintain precise system pressure and prevent dangerous gas or combustion leaks. The