Dometic Holding Tank Full Level Indicator - 3" Connection - Part# 385230268

DometicSKU: 385230268
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 3:38 AM

Sale price$78.99 Regular price$125.59
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In stock (26 units), ready to be shipped
FREE Delivery Estimate June 9 – June 12
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The Dometic holding tank full level indicator alerts you when your gray or black water tank is at capacity. This essential sensor prevents messy tank overflows and helps you manage your RV's waste system efficiently. Perfect for RV owners who want reliable, real-time tank status monitoring.

Key Features

  • 3-inch connection fits standard Dometic holding tanks
  • Visual indicator light alerts when tank reaches full capacity
  • Durable design withstands harsh RV environments and chemical treatments
  • Easy installation into existing tank ports
  • Compatible with Dometic gray and black water holding tanks
  • Reliable sensor technology for accurate full-tank detection

Technical Specifications

Specification Details
Part Number 385230268
Connection Size 3 inches
Tank Type Gray and Black Water
Indicator Type Full Level Sensor
Installation Tank port mount
Manufacturer Dometic

Frequently Asked Questions

Q: Will this indicator work with my older Dometic tank?
A: This part fits standard 3-inch Dometic tank connections. Check your tank's port size to confirm compatibility before ordering.
Q: How do I know when the tank is full?
A: The indicator light illuminates on your RV's control panel when the tank reaches capacity, alerting you to empty it.
Q: Can I use this on both gray and black water tanks?
A: Yes, this full-level indicator works on both gray and black water holding tanks with 3-inch connections.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts. Shipping from Elkhart, Indiana—the RV capital of the world. All parts are genuine OEM Dometic components backed by expert 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 Genuine, name-brand components made to order — never generic, never outdated.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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