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Home
LOOK UP PARTS BY MODEL NUMBER (ctrl+F)
Search Part Number
Customer Service Policy
COLEMAN GAS FURNACE PARTS QUICK REFERENCE GUIDE
Watch How To Videos
Flash Codes on furnace board
How To Read a Coleman Serial Number
Electric Furnace Problems ??? HELP page
Electric Heat Element Repair Parts
Heating Sequencer Operation and Testing
3 Speed Motor Wire Diagram
Roof Jack & Chimney Parts
Coleman Roof Jack Replacement
Orifice Drill Size Chart
Gas Orifices, Drill Kits and Gas Tools
Mobile Home Exhaust Fans and Hoods
BOOK STORE - Downloads - Wire Diagrams, Furnace Manuals, Trouble guides, Parts breakdown
Mobile Home Underbelly Seam Repair Tape and Caulk
Source 1 Parts Catalog
HVAC Tools
Guardian Equipment
Mobile Home Plumbing
Mobile Home Doors and Windows
Bathroom and Kitchen Fixtures
Ductwork Fittings and Connections
RV And Trailer Equipment and Parts
DIY HVAC Repair Tips
HVAC tips
Manufactured Housing HVAC Technical Handbook
Books, Training Manuals and DIY Self Help
Why Buy From US?
Blog Posts
- Blog
911 Emergency HVAC Part Help
Home page
Catalog Index
Tech Support
Order Cancellation Policy
Refunds, Returns, Exchanges
Shipping Info
Shipping to Canada fees explained
Shipping Delays Due to Covid 19
Shipping Disputes and Damages
Tracking
Checkout Policy Fraudulent Orders
Contact Us
Privacy Policy
About Us
HVAC DeVries Family History
Sign in
Create an Account

Home › 74-850-139

74-850-139

$ 990.28
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We've been in business since 2000. Nobody else in this industry does what we do. We are the industry experts on HVAC mobile home residential, commercial furnaces and air conditioners including Coleman, Duotherm, Nordyne, Intertherm and others. We help you troubleshoot your problem, find the right part and handle any returns, exchanges and warranty claims with just one call!

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