Dometic Bronze Hose Adapter - 3/4" MPT Thread - Part# 290000103

DometicSKU: 290000103
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 10:24 AM

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The Dometic Bronze Hose Adapter (Part# 290000103) is a durable 3/4" male pipe thread (MPT) fitting designed for marine and RV plumbing systems. This corrosion-resistant bronze adapter provides a reliable connection point for water hoses, pumps, and plumbing fixtures in demanding marine environments. Essential for boat owners and RV enthusiasts who need a robust, long-lasting connection that withstands saltwater exposure and constant vibration.

Key Features

  • Marine-Grade Bronze Construction: Corrosion-resistant material ideal for saltwater and freshwater applications
  • Standard 3/4" MPT Threading: Male pipe thread ensures compatibility with most marine and RV plumbing systems
  • Heavy-Duty Design: Built to withstand vibration, pressure fluctuations, and harsh marine conditions
  • Genuine Dometic OEM Part: Factory-quality fitting engineered to Dometic's exact specifications
  • Versatile Application: Suitable for water pumps, hose connections, and various plumbing installations

Technical Specifications

Part Number 290000103
Thread Size 3/4" MPT (Male Pipe Thread)
Material Bronze
Application Marine and RV Plumbing Systems

Frequently Asked Questions

Is this adapter suitable for saltwater marine applications?

Yes, the bronze construction makes this adapter highly resistant to saltwater corrosion, making it ideal for marine plumbing systems on boats and yachts.

What does MPT mean and will this fit my system?

MPT stands for Male Pipe Thread. This adapter has external threads that screw into a female threaded fitting. The 3/4" size is a standard dimension in RV and marine plumbing systems.

Can I use this adapter with my RV fresh water system?

Absolutely. This bronze adapter is safe for potable water systems and commonly used in RV fresh water plumbing installations, pump connections, and hose adapters.

Do I need thread sealant when installing this adapter?

Yes, we recommend using Teflon tape or pipe thread sealant on the male threads to ensure a watertight seal and prevent leaks in your plumbing system.

Why Choose Elkhart RV Parts?

We specialize in hard-to-find Dometic marine and RV parts that other suppliers don't stock. Shipping fast from Elkhart, Indiana — the RV capital of the world — we provide genuine OEM parts backed by expert support. When you need the exact Dometic part for your boat or RV, we have it in stock and ready to ship.

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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