921498 Nordyne CONTROL BOARD

Product Description

The 921498 control board is a genuine Nordyne OEM component designed to manage ignition, blower sequencing, safety interlocks, and diagnostic reporting in 24 VAC gas furnaces, air handlers, and rooftop packaged units. Its integrated LED status codes simplify troubleshooting, while onboard fuse protection guards against voltage spikes. Precision-engineered to factory specifications, this board ensures reliable system operation through thousands of heat cycles.

Key features

• 24 VAC control voltage with built-in 3 A slow-blow fuse

• Multi-speed blower outputs and furnace gas-valve terminals

• LED diagnostic indicator for fault codes (lockout, rollout, flame sense)

• Screw-terminal strip for R, C, W, Y, G, HUM, O/B, and safety-sensor connections

• Compact 6 × 5 × 1 in PCB mounted on corrosion-resistant metal chassis

• Includes wiring diagram label and mounting hardware

Technical Specifications

Compatibility

This control board directly replaces Nordyne 921498 and fits a broad range of Nordyne-branded, Coleman, Comfortmaker, Amana, Ducane, and Intertherm gas furnaces, air handlers, and rooftop units that use a 24 VAC control module:

• Nordyne / Coleman / Comfortmaker

  • Furnace series: 42MJ, 42MV, 38MJ, 38MK, FMPC, FMPM

  • Packaged rooftop units: CPN, CNB, CKL lines

• Amana / Ducane

  • Series: AFG4, FGL4, FG4, GG4 furnaces

  • Rooftop models: RG4, SH4 (24 VAC control systems)

• Intertherm / Goodman

  • GMH9, DMH9 series furnaces and air handlers

Ordering & Support

• SKU: 921498

• Stock Status: Available for immediate shipping