Carrier 17122000002495 Control Board 321894-708 this valve should be mounted

this valve should be mounted in an upright position within a horizontal run of pipe

With an operating torque of 53 in-lb (6 Nm) and an operational temperature range of -10°C to 50°C

Ensure your furnace flame rod replacement provides the typical 2

Dual-Speed Versatility: Features two distinct speeds to balance airflow requirements and energy efficiency

Disconnect power and inspect the shaft for scoring or signs of "play" near the bearings

Carrier 17122000002495 Control Board 321894-708 this valve should be mountedThe Carrier 17122000002495 Control Board is a critical OEM replacement main circuit board designed for precise regulation of logic functions in specific Carrier, Bryant, and Payne HVAC systems. As a foundational component for system communication, this Carrier furnace control board manages the ignition sequence, blower motor timing, and safety circuit monitoring. Technical failure in the original board often manifests as intermittent limit switch