Armstrong Furnace R06428D426 Draft Blower Refrigerant if a ball-check vent limiter

if a ball-check vent limiter is added

ensuring the power exhauster motor is moving enough air to safely vent combustion gases before the gas valve is permitted to open

the K16FA-18 and K16FA-18H are functionally and physically identical

ensuring the configuration is recovered automatically after any power loss

Armstrong Furnace R06428D426 Draft Blower Refrigerant if a ball-check vent limiterWhen you're troubleshooting a furnace that's failing to prove pressure, the Armstrong Furnace R06428D426 Draft Blower (Model ACOMB605 1) is the OEM spec solution required for a proper repair. This forced draft blower is engineered specifically for Armstrong Air and Allied Air heating systems, including compatibility with Concord, Ducane, and Magic Chef units. It manages the critical combustion air delivery and flue gas venting process, ensuring the