Dometic RJ12 Communication Cable Connector - Part# 290000088

DometicSKU: 290000088
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 10:21 AM

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The Dometic RJ12 Communication Cable Connector is a critical component for establishing reliable data and power communication between your RV's control systems and peripheral devices. This connector is essential for RV owners who need to repair or replace damaged communication lines in their Dometic appliances, thermostats, or control panels.

  • Standard RJ12 6-pin connector configuration for universal compatibility
  • Durable plastic housing with secure locking mechanism
  • Supports both data and low-voltage power transmission
  • Direct replacement for OEM Dometic connectors
  • Commonly used in thermostat, refrigerator, and furnace control systems
  • Easy plug-and-play installation—no tools required
Specification Details
Part Number 290000088
Connector Type RJ12 6-Pin
Housing Material Engineered Plastic
Pin Configuration Standard RJ12
Application Dometic RV Control Systems

Frequently Asked Questions

Q: Will this connector work with my specific Dometic model?
A: The RJ12 connector is a standard interface used across many Dometic RV appliances and control systems. However, we recommend verifying your model number or consulting our expert support team to confirm compatibility with your specific system.

Q: Can I use this connector for both data and power?
A: Yes, the RJ12 connector supports both data transmission and low-voltage power delivery, making it versatile for various Dometic control applications including thermostats and appliance interfaces.

Q: Is professional installation required?
A: No—this is a plug-and-play connector. Simply disconnect the old connector and insert the new one until you hear or feel it click into place. No special tools or technical expertise needed.

Why Elkhart RV Parts: We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic, backed by expert customer support to help you find 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 Genuine, name-brand components made to order — never generic, never outdated.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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