Dometic Transformer 120/208/240V Primary 40A - Part# 290000065

DometicSKU: 290000065
Added to catalog: March 10, 2026

Sale price$108.35
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1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

This Dometic transformer is a critical component for RV power distribution systems, converting primary voltage input to secondary output for safe operation of 120V appliances and systems. If your RV has multiple voltage requirements or you're experiencing power delivery issues to specific circuits, this OEM transformer ensures proper electrical regulation and protection.

  • Primary voltage: 120/208/240V input capability
  • 40A primary current rating for adequate power handling
  • Genuine Dometic OEM part — exact factory replacement
  • Designed for RV power management and distribution systems
  • Reliable voltage conversion and circuit protection
  • Heavy-duty construction for mobile environment durability
Specification Detail
Part Number 290000065
Primary Voltage 120/208/240V
Primary Current Rating 40A
Manufacturer Dometic
Type OEM Replacement Transformer

Frequently Asked Questions

Q: How do I know if my RV transformer needs replacement?
A: Signs include flickering lights, appliances not receiving proper power, tripped breakers, or a burning smell near the power center. If you're experiencing inconsistent voltage delivery to your 120V systems, this transformer may be the culprit.

Q: Will this transformer work with my RV's existing electrical system?
A: This is a genuine Dometic OEM part designed for RV power distribution. However, verify your RV's power center model and voltage requirements before ordering. If you're unsure, contact our expert support team with your RV model and year.

Q: Is professional installation required?
A: Transformer installation involves working with high-voltage electrical systems and should only be performed by a qualified RV technician or electrician. Improper installation can create safety hazards. We recommend professional installation to ensure proper operation and warranty compliance.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts for RV owners who need exact OEM components. Shipping directly from Elkhart, Indiana — the RV capital of the world — we stock genuine Dometic parts with expert support to help you identify the right replacement for your specific RV model. When you need it right, we have it in stock.

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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