The Dometic LP Furnace Orifice #52 is a precision fuel delivery component that regulates propane flow to your RV furnace burner. This small but critical part ensures proper combustion and heating performance in Dometic furnace systems. If your furnace isn't heating efficiently or won't ignite, a worn or damaged orifice may be the culprit.
- OEM Dometic replacement orifice for LP furnace systems
- Size #52 specification for precise propane metering
- Direct fit replacement—no modifications required
- Restores proper fuel-to-air ratio for efficient heating
- Essential maintenance part for reliable cold-weather operation
| Specification | Detail |
|---|---|
| Part Number | 31081 |
| Orifice Size | #52 |
| Fuel Type | Liquid Propane (LP) |
| Application | Dometic RV Furnaces |
| Component Type | Fuel Orifice |
Frequently Asked Questions
A: Signs include weak heating output, delayed ignition, yellow flame instead of blue, or complete failure to heat. Carbon buildup or debris can clog the orifice over time, reducing propane flow.
A: Yes, this is an OEM Dometic part designed as a direct fit. However, confirm your furnace model uses a #52 orifice before ordering. If unsure, contact our expert support team.
A: Orifices typically last several years with proper furnace maintenance. Replace when you notice heating issues or as part of annual furnace service in high-use RVs.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts and ship from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM stock, and our expert support team can help you identify the exact component your furnace needs.
| Brand | Dometic |
|---|---|
| Product_type | LP Furnace Orifice |
| Orifice_number | 52 |
| Part_number | 31081 |
| Fuel_type | Propane (LP) |
| Function | Regulates propane flow for fuel delivery and heating |
| Compatible_models | Dometic DF2, DF3, and similar series |
| Application | RV Furnace |
| Part_category | Service Part |
| Part_condition | OEM Replacement |
| Manufacturer_type | OEM (Original Equipment Manufacturer) |
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 Genuine, name-brand components made to order — never generic, never outdated.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.

