Description
RV Electronics Slimline LED Double Tank Water Level Indicator Gauge – Black (Battery Powered)
Product Overview
Easily monitor your fresh and grey water levels with the RV Electronics Slimline LED Double Tank Water Level Indicator Gauge — a compact, modern, and battery-powered solution designed for caravans, motorhomes, camper trailers, and boats.
This updated Slimline model combines accurate, easy-to-read LED displays with fast, no-wiring installation. With just a single button press, you can check two onboard tank levels instantly. Each gauge is powered by a replaceable A23 battery (included), eliminating the need for 12V wiring or complex electrical setups.
Perfect for retrofits or new installations, this gauge uses side-mounted sender probes with no moving parts, ensuring long-term reliability and accurate readings for both plastic and metal tanks.
✅ Key Features
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Dual Tank Monitoring – Displays accurate levels for two tanks at a glance
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Compact Slimline Design – 65 mm × 65 mm × 11 mm, fits neatly into any dashboard or panel
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No 12V Wiring Required – Battery powered (A23 battery included)
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Quick, No-Drop Installation – Side-mount probes install without removing tanks
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Reliable & Maintenance-Free – 5-sensor probes with no moving parts for long-term accuracy
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Clear 5-Bar LED Display – Easy-to-read visual indication with push-button “Test” operation
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Retrofit-Ready – Compatible with probes from previous RV Electronics models
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Universal Compatibility – Works with both plastic and metal tanks
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Scalable System – RV Electronics gauges support single, double, or triple tank setups with 2.5 m, 5 m, or 7.5 m probes
📦 What’s Included (by Kit)
Kit: Double Tank Gauge with 2 × 7.5 m Sender Probes
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1 × Slimline LED Double Tank Water Level Indicator Gauge – Black
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2 × 7.5 m Tank Sender Probes
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Mounting template & fitting instructions
Kit: Double Tank Gauge with 2 × 5 m Sender Probes
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1 × Slimline LED Double Tank Water Level Indicator Gauge – Black
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2 × 5 m Tank Sender Probes
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Mounting template & fitting instructions
💡 Each tank requires its own probe. Choose the 5 m kit for shorter cable runs or the 7.5 m kit for longer installations or complex routing.
📊 Specifications
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Brand / Model: RV Electronics Slimline LED Double Tank Gauge
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Display: 5-bar LED with push-button test function
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Power: A23 battery (included) – no 12V supply required
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Gauge Size (H × W × D): 65 × 65 × 11 mm
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Sender Probes: Side-mount arms with 5 sensors; no moving parts
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Tank Compatibility: Plastic and metal tanks
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Installation: Similar to older RV Electronics models (template provided)
🛠 Installation & Fitment
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Use the supplied template to cut the mounting hole for the gauge.
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Drill probe holes according to the included guide and insert the side-mount probes (no tank removal required).
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Connect each probe to the gauge.
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Insert the included A23 battery and press Test to confirm operation.
💡 Measure your cable run length before ordering — 5 m probes suit shorter installations, while 7.5 m probes are ideal for larger vehicles or boats.
🚐 Ideal For
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Caravans & Camper Trailers
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Motorhomes & RVs
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Boats & Marine Applications
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Off-grid or self-contained setups
Why Choose RV Electronics
✔ Trusted Australian RV Electronics brand used by top caravan manufacturers
✔ Simple, battery-powered design — no wiring required
✔ Accurate, reliable monitoring with zero moving parts
✔ Perfect upgrade for existing tank gauges or new installations
✔ Built tough for Australian caravanning conditions
Get precise water level readings with the RV Electronics Slimline LED Double Tank Gauge — compact, battery powered, and built for life on the road.