902910 Nordyne Gas Valve 1/2" NTP 10" WC, 24v 3.3" Replaces 624619R This 24 VAC, 3.3″ WC, ½″ NPT gas valve is used across a range of Nordyne-manufactured furnaces and their rebadged counterparts. Always verify against your unit’s serial-number prefix or OEM literature for exact fitment. Common OEM Fitments Brand Model Series Application Nordyne A2A, A4A, A6A Single-stage residential furnaces Nordyne B3BV Multi-position packaged units Coleman 80 Mobile-home single-stage furnaces Concord NXB, NXBX Rebadged A-Series split and packaged Tempstar F2RS, F4RS Rebadged Nordyne split-system units Westinghouse WAP Series Rebadged Nordyne forced-air systems Technician Notes Confirm valve 902910 stamping matches the OEM spec sheet. Check unit serial prefix (e.g., A2A, B3B, NXB) for compatibility. Low-NOx and altitude kits may require a different pressure regulator setting. On two-stage or variable-speed systems, ensure the valve’s 3.3″ WC rating aligns with the secondary stage requirements.