The Imperial Stove Pipe Increaser Black 4"-6", part number BM0058, is a single-wall flue adapter designed to transition a 4-inch appliance outlet to a 6-inch stove pipe connection. It is used in solid-fuel vent connector assemblies where the appliance collar and the connecting pipe are different diameters. This component provides a direct size increase at the connector point while maintaining a round metal-to-metal stovepipe joint.
This increaser is manufactured from 24-gauge steel and finished in black for use in interior stove pipe installations. The larger end is formed to fit into the adjoining 6-inch stove pipe section, which helps create the directional overlap used in single-wall connector systems. It is intended for wood stove and similar solid-fuel venting applications that require a 4-inch to 6-inch transition within the connector run.
What’s Included: One Imperial BM0058 stove pipe increaser, black, 4-inch to 6-inch size transition.
Installation Limits: For interior single-wall stove pipe connector use only; install in accordance with appliance and venting requirements and maintain required clearance to combustible materials.
Compatibility: Compatible with 4-inch appliance flue outlets transitioning to 6-inch single-wall stove pipe systems used on wood stoves and similar solid-fuel heating equipment.
