The Dometic water heater gas valve assembly controls the flow of propane to your RV's water heater, regulating temperature and ensuring safe, efficient heating. This OEM replacement part is essential for any Dometic gas water heater that has a faulty or worn valve assembly. If your water heater won't ignite, won't stay lit, or heats inconsistently, a defective gas valve assembly is often the culprit.
Key Features
- OEM Dometic replacement part — exact fit for compatible models
- Controls propane flow and ignition to water heater burner
- Includes all necessary valve components for complete assembly
- Direct replacement — no modifications required
- Restores reliable hot water heating in your RV
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 33173 |
| Manufacturer | Dometic |
| Component Type | Gas Valve Assembly |
| Application | Dometic RV Water Heaters |
| Fuel Type | Propane (LP) |
Frequently Asked Questions
- How do I know if my gas valve assembly is bad?
- Common signs include the water heater not igniting, the burner lighting but not staying lit, inconsistent water temperature, or a clicking sound from the valve without ignition. If you've checked the propane supply and thermostat, a faulty valve assembly is the next likely culprit.
- Is this a direct replacement for my Dometic water heater?
- This is an OEM Dometic part designed as a direct replacement for compatible Dometic water heater models. We recommend verifying your specific water heater model number before ordering. Contact our expert support team if you're unsure about compatibility.
- Do I need special tools to install this gas valve assembly?
- Installation typically requires basic hand tools and propane system knowledge. We strongly recommend having a qualified RV technician or propane specialist perform the installation to ensure safety and proper operation. Never attempt gas line work without proper training.
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 we sell is genuine OEM Dometic equipment backed by our expert support team. When you need the exact part to get your water heater working again, trust the specialists who know RVs inside and out.
| Brand | Dometic |
|---|---|
| Product_type | Gas Valve Assembly |
| Application | RV Water Heater |
| Part_number | 33166 |
| Sku | 33173 |
| Part_category | Water Heater Parts |
| Part_type | OEM Replacement Part |
| Compatibility | Select Dometic water heater models |
| Genuine_oem | true |
| Installation_type | Direct fit replacement |
| Condition | New |
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.