Armstrong Fluid Technology 816322-111K Impeller Kit 320788-704 it is functionally equivalent and

it is functionally equivalent and designed for the same 16-inch burner housing

While some limit controls share similar temperature specs

Use the built-in diagnostic interface to confirm the specific fault sequence before replacing the board

This HVAC thermostat features advanced configuration parameters for floating point control and proportional-integral logic

Armstrong Fluid Technology 816322-111K Impeller Kit 320788-704 it is functionally equivalent andThe 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