Dometic 42HTS Water Heater Inlet Assembly - Genuine OEM Replacement - Part# 385311035

DometicSKU: 385311035
Added to catalog: March 11, 2026

Sale price$148.34
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The Dometic 385311035 Inlet Assembly is a genuine OEM replacement component designed specifically for the Dometic 42HTS water heater system. This critical assembly manages water flow into your RV water heater, ensuring proper operation and preventing leaks. If you're experiencing water flow issues, leaks at the inlet connection, or need to replace a damaged inlet assembly during maintenance, this is the exact factory part you need.

Key Features

  • Genuine Dometic OEM Part: Factory-engineered for perfect fit and reliable performance in 42HTS water heaters
  • Complete Inlet Assembly: Includes all necessary components for proper water inlet connection and flow control
  • Durable Construction: Built with corrosion-resistant materials designed to withstand RV water system pressures and temperatures
  • Direct Replacement: Exact match for original equipment - no modifications or adapters required
  • Leak-Prevention Design: Precision-engineered sealing surfaces ensure watertight connections
  • Easy Installation: Designed for straightforward replacement by RV owners or technicians

Technical Specifications

Part Number 385311035
Product Type Water Heater Inlet Assembly
Compatible Model Dometic 42HTS Water Heater
OEM Part Yes - Genuine Dometic

Compatibility Information

Water Heater Model Application
Dometic 42HTS Direct Replacement Inlet Assembly

Frequently Asked Questions

How do I know if I need to replace my water heater inlet assembly?

Common signs include visible water leaks at the inlet connection, reduced water flow into the heater, difficulty filling the tank, or visible cracks or corrosion on the existing inlet assembly. If you notice any of these symptoms, replacement is recommended to prevent water damage.

Is this inlet assembly compatible with other Dometic water heater models?

This inlet assembly is specifically engineered for the Dometic 42HTS water heater. While some Dometic parts are interchangeable across models, inlet assemblies are model-specific to ensure proper fit and function. Always verify your water heater model number before ordering.

What tools do I need to install this inlet assembly?

Installation typically requires basic hand tools including adjustable wrenches or appropriate socket sizes, Teflon tape or pipe thread sealant, and possibly a screwdriver. Always turn off water supply and drain the water heater before beginning any repair work. Consult your water heater manual for specific installation instructions.

Does this assembly come with installation gaskets or seals?

The inlet assembly includes the components necessary for proper installation as designed by Dometic. However, it's always good practice to have fresh Teflon tape or appropriate thread sealant on hand when installing any water system component to ensure leak-free connections.

Why Choose Elkhart RV Parts?

We specialize in hard-to-find Dometic RV parts like this 42HTS inlet assembly. Located in Elkhart, Indiana - the RV Capital of the World - we understand the importance of getting the right part quickly. We stock genuine OEM Dometic components and ship fast so you can get back on the road.

  • Genuine Dometic OEM parts - not aftermarket substitutes
  • Expert support from RV parts specialists who know Dometic systems
  • Fast shipping from the heart of RV country
  • Accurate part identification to ensure you get exactly what you need
100% Authentic OEM Parts

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.

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