Dometic 4-Inch Furnace Duct Cover Plate - Fits Atwood & Dometic RV Furnaces - Part# 31371

The Dometic 4-Inch Furnace Duct Cover Plate (Part# 31371) is an essential replacement component for RV furnace installations, providing a clean, finished appearance where ductwork terminates. This OEM cover plate is designed to fit 4-inch diameter furnace ducts in Atwood and Dometic RV heating systems, replacing damaged, discolored, or missing duct covers. RV owners upgrading their furnace systems or performing maintenance will need this part to properly seal and finish duct openings.

Key Features

• OEM Quality Construction: Genuine Dometic replacement part engineered to exact factory specifications for reliable fit and performance
• 4-Inch Duct Compatibility: Designed specifically for standard 4-inch diameter RV furnace ductwork found in most Atwood and Dometic heating systems
• Durable Materials: Built from impact-resistant materials that withstand temperature variations and normal RV vibration
• Clean Finished Appearance: Provides a professional look while properly sealing duct openings to prevent air leakage
• Easy Installation: Direct replacement design allows for quick installation without modifications or special tools
• Universal Application: Works with both Atwood and Dometic branded furnace systems using 4-inch ductwork

Technical Specifications

Frequently Asked Questions

Will this cover plate fit my RV furnace ductwork?

This cover plate is designed for standard 4-inch diameter furnace ducts commonly used in Atwood and Dometic RV heating systems. Measure your existing duct opening to confirm it's 4 inches in diameter before ordering.

How do I install this duct cover plate?

Installation is straightforward—simply remove the old cover plate (if present) and snap or secure the new cover plate over the 4-inch duct opening. Most installations require no tools, though some may use small screws depending on your specific furnace configuration.

Is this an OEM Dometic part or an aftermarket replacement?

This is a genuine OEM Dometic replacement part (Part# 31371), manufactured to the same specifications as the original equipment installed in your RV furnace system.

Can I use this cover plate with both Atwood and Dometic furnaces?

Yes, this cover plate is compatible with both Atwood and Dometic branded furnace systems that use standard 4-inch ductwork. Since Dometic acquired Atwood, many parts are cross-compatible between the two brands.

Why Choose Elkhart RV Parts?

At Elkhart RV Parts, we specialize in hard-to-find Dometic and Atwood RV furnace components that keep your heating system running smoothly. Located in Elkhart, Indiana—the RV Capital of the World—we understand the importance of having the right parts when you need them. We stock genuine OEM Dometic parts and ship them fast, so you can get back on the road quickly. Our team of RV parts experts is here to help you identify the exact components you need for your furnace system. When you order from Elkhart RV Parts, you're getting authentic Dometic quality backed by knowledgeable support from the heart of RV country.