RV Electronics Slimline LED Single Tank Water Level Indicator Gauge – Black (Battery Powered)

Accurate water levels, zero hassle. This updated slimline LED gauge from RV Electronics gives a clear, instant reading of your single onboard water tank—perfect for caravans, RVs, motorhomes, camper trailers and boats.

This product has three variants:
• Gauge Only — requires 1 sender probe (sold separately)
• Kit: Includes 1 × 5 m Sender Probe
• Kit: Includes 1 × 7.5 m Sender Probe

Key features

• Compact slimline face: 65 × 65 × 11 mm fits almost anywhere

• No 12V wiring: Battery-powered (A23 battery included)

• Fast installation: Side-mount probe—no need to remove the tank

• Reliable readings: 5-sensor probe with no moving parts

• Easy to read: 5-bar LED display with push-button Test

• Retrofit-ready: Uses the same sender probes as the previous model

• Universal compatibility: Works with plastic and metal tanks

What’s in the box (by variant)

Gauge Only

• 1 × Slimline LED Single Tank Water Level Indicator Gauge — Black

• Fitting instructions & cut-out template
  Probe not included. Add one probe to complete your setup.

Kit — Includes 1 × 5 m Sender Probe

• 1 × Slimline LED Single Tank Water Level Indicator Gauge — Black

• 1 × 5 m tank sender probe

• Fitting instructions & cut-out template

Kit — Includes 1 × 7.5 m Sender Probe

• 1 × Slimline LED Single Tank Water Level Indicator Gauge — Black

• 1 × 7.5 m tank sender probe

• Fitting instructions & cut-out template

Choosing length:
5 m = shorter runs (typically up to ~4 m panel-to-tank).
7.5 m = longer runs or complex routing.

Specifications

• Brand/Model: RV Electronics Slimline LED Single Tank Gauge

• Display: 5-bar LED (push-button test)

• Power: A23 battery (included) — no 12V supply required

• Size (H × W × D): 65 × 65 × 11 mm; template included

• Probe: Side-mount arm with 5 sensors; no moving parts

• Tanks: Suitable for plastic & metal tanks

• Install: Similar to older RV Electronics gauges; may need a slightly larger hole behind the gauge (template included)

Installation & fitment notes

1. Mount the gauge on your panel using the supplied template.

2. Insert the sender probe through the side of the tank—no tank removal needed.

3. Connect probe to the gauge, insert the A23 battery, press Test to verify.

Ideal for

Owners who want a compact, battery-powered single-tank water level gauge that’s easy to install and simple to read on the road or water.