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We strongly recommend confirming your diagnostics or cross-referencing your unit’s serial number before purchase
Use the built-in diagnostic interface to confirm the specific fault sequence before replacing the board
it is functionally equivalent and designed for the same 16-inch burner housing
While some limit controls share similar temperature specs
By utilizing the 302-306 valve rebuild components
Armstrong Fluid Technology 816322-111K Impeller Kit 320788-704 We strongly recommend confirming yourThe Armstrong Fluid Technology 816322 111K Impeller Kit is a high precision OEM replacement part designed to restore hydraulic efficiency in centrifugal circulator pumps. This universal kit features a 3. 35 inch (3 3 8") Noryl impeller, specifically engineered for Armstrong Series S and H models, including the S 34, S 35, and H 32. As the advanced successor to legacy parts 816322 111 and 810119 003, this kit provides a complete solution for
