Lochinvar & A.O. Smith 100093859 Assembly 319847-401 PopTop Compatibility: Optimized for use

PopTop Compatibility: Optimized for use with modulating Erie PopTop actuators

High Torque Output: The 4-inch stroke combined with a robust 8-13# spring range provides the mechanical force necessary for larger damper assemblies

it features an all-angle mounting design with a 1/2-inch shaft

By ensuring a consistent flame pattern

The Burnham Boiler 609600011 Rear Observation Port Kit is a direct OEM replacement component engineered specifically for Burnham V9 and V11 series cast iron boilers

Lochinvar & A.O. Smith 100093859 Assembly 319847-401 PopTop Compatibility: Optimized for useThe Lochinvar & A. O. Smith 100093859 Manifold Door Assembly is a high precision OEM replacement engineered for high efficiency gas fired boilers and residential FVIR water heaters. As a veteran grade burner door assembly, this kit is essential for maintaining the sealed combustion chamber's integrity, ensuring optimal thermal efficiency and safe manifold pressure regulation. The assembly integrates a robust door port designed to withstand high