The Dometic R/F 8500 roof air conditioner with slimline design delivers powerful cooling for RVs up to 21'10" in length. This OEM replacement unit mounts directly to your RV roof and integrates with existing ducting and electrical systems. If your Dometic rooftop AC is failing, leaking, or no longer cooling effectively, this genuine replacement restores comfort to your living space.
Key Features
- Slimline (SLT) profile design for reduced roof height and improved aerodynamics
- 8,500 BTU cooling capacity suitable for mid-size RVs
- ONYX color finish matches modern RV exterior aesthetics
- Direct OEM replacement — no modifications required
- Roof-mounted installation with standard ductwork compatibility
- Thermostat control for temperature management
Technical Specifications
| Specification | Details |
|---|---|
| Cooling Capacity | 8,500 BTU |
| Model Series | R/F 8500 Slimline |
| Color | ONYX |
| Recommended RV Length | Up to 21'10" |
| Installation Type | Roof-mounted |
| Part Number | B3108056NR.482 |
Frequently Asked Questions
Q: Will this air conditioner fit my RV if it's a different length than 21'10"?
A: This unit is rated for RVs up to 21'10". Smaller RVs will work fine, but larger models may require a higher-capacity unit. Check your RV specifications and existing AC model to confirm compatibility.
Q: Is this a genuine Dometic OEM part or an aftermarket replacement?
A: This is a genuine OEM Dometic part. It carries the original manufacturer specifications and warranty eligibility, ensuring proper fit and performance.
Q: What's the difference between the slimline (SLT) design and standard roof AC units?
A: The slimline design has a lower profile, which reduces the overall height added to your RV roof. This improves aerodynamics, fuel efficiency, and ground clearance while maintaining full cooling capacity.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana — the RV capital of the world. Every part is genuine OEM stock backed by expert support to help you identify the exact replacement you need. When your RV cooling system fails, we have the parts and knowledge to get you back on the road.
| Color | ONYX |
|---|---|
| Thermostat type | SLT (Slim Line Thermostat) |
| Coverage area | RVs up to 21'10" |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.