Ship To|Sign In|Recently Viewed|My Lists

Parts LookupPay My BillRewards

cfm Distributors is a full-service HVACR distributor serving residential and commercial contractors across the central U.S. Founded 1969, a trusted HVACR partner for over 55 years.

Contact Us Register My Account About Us Credit App

Kansas City (HQ)

1104 Union Ave.

Kansas City, MO 64101

Lenexa

14227 W. 95th St.

Lenexa, KS 66215

Springfield

2215 W. Sunset #A

Springfield, MO 65807

Wichita

435 S. Eldora

Wichita, KS 67202

Des Moines

4137 109th St.

Urbandale, IA 50322

Omaha

12115 Centennial Rd. Ste. 104

La Vista, NE 68128

Privacy Policy·Terms & Conditions·Cookie Policy

Copyright © 2026 cfm Distributors. All Rights Reserved.

Source 1 S1-03103899000 — Part #S1-031-03899-000 | cfm Distributors

Home/Residential HVAC Equipment/Air Handlers & Accessories/Air Handlers/Source 1 S1-03103899000

Source 1

S1-03103899000

Source 1

Source 1 S1-03103899000

Part #: S1-031-03899-000

MPN: S1-03103899000

UPC: 194720575907

External Conversion Circuit Board (furnace control board)

Sign in to see your price and availability.

Don't have an account? Request access →

UOM: EA

Dimensions: 0.38 x 0.2 x 0.34 in
Type: External Conversion Circuit Board
ERP item ID: 46000