The Belimo AFB24-X1 is a heavy-duty spring return damper actuator engineered for reliable fail-safe operation in commercial HVAC systems

25 (1/4) inch diameter

Whether you are performing routine maintenance on a standard furnace hot water coil or troubleshooting a terminal unit

it is recommended to use the new gasket included in this kit to ensure a proper seal and prevent CO leaks

The NEMA 1 enclosure is intended for general-purpose indoor use

Heat Controller R68AB0001 Blower Relay 318518-761 The Belimo AFB24-X1 is aThe Heat Controller R68AB0001 Blower Relay is a heavy duty DPDT (Double Pole Double Throw) switching component essential for managing blower motor graduation and sequencing in residential HVAC systems and light commercial air handlers. This OEM spec relay is a direct replacement for many International Comfort Products (ICP), Comfort Aire, and Heil Quaker units, providing a high capacity interface between the low voltage 24V thermostat control circuit