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This genuine OEM Goodman B1392139 View Port Bushing fits the Goodman/Amana ACVC961005CNBA condensing gas furnace. The bushing mounts in the burner compartment access panel, framing the flame-viewing (sight) port so technicians can safely observe burner ignition and flame quality without opening the sealed combustion area.
Because the view port is part of a sealed-combustion furnace, an exact seal matters. Generic grommets may not match the panel cutout, creating air leaks that disrupt combustion pressure-switch operation. The OEM B1392139 is molded to the factory cutout for a proper airtight fit.
Maintaining the sealed combustion envelope on a high-efficiency furnace is essential for safe, code-compliant operation — only the factory bushing guarantees that seal.
Easy (1/5) — Press-fit into the panel cutout by hand. No tools needed. Replace any time the old bushing is cracked or missing to restore the seal.