Flush Mount Water Tank Gauge

Regular price $136.00 USD
Sale price $136.00 USD
SOLD OUT
Bundle: Gauge Only

Overview

This Flush Mount Water Tank Gauge gives you a clean, built-in way to track fresh water levels with a dedicated backlit display. Designed by Topargee in Australia and stocked at our shop in Oregon, it is a strong fit for vans, RVs, trailers, and boats. If you prefer a no-screen option that displays water levels on your phone, see our Bluetooth Water Tank Gauge page. 

This recessed 12V hard-wired gauge uses a polarized backlit display, live liter or gallon readout, and inline hose-line installation so nothing is fitted to the tank itself. It is a good choice for customers who want a permanent, OEM-style installation instead of using a phone app.

Important Info

This gauge tracks water use from the programmed starting amount. After refilling the tank, the unit must be reset so the stored total returns to the programmed value. This unit does not have Bluetooth.

Key Features

  • Flush-mount recessed display for a built-in look
  • Large polarized backlit LCD screen
  • Displays exact liters or gallons with live readings
  • 12V hard-wired operation
  • No drilling or tank access required, sender installs inline on the hose line
  • Works with freshwater tanks only
  • Compatible with pressurized and gravity-fed systems
  • Programmable tank size up to 99,999 liters
  • Audible end-of-capacity alert
  • Red display warning at zero or below
  • 12-month warranty

Technical Specs

Technical Specs

Spec Details
Product Type Flush-mount water tank gauge
Use Freshwater tanks only
Display Polarized backlit LCD
Mounting Recessed / flush mount
Units Liters or gallons
Power 12 Volt hard-wired only
Sender Lead Included 4 ft (1.4 m)
Optional Extension Length 10 ft (3 m)
Sender Thread 1/2 in BSP male
Hose Connectors Not included in all options
Hose Connector Requirement 2 x 1/2 in BSP female to 1/2 in NPT male adapters, or compatible plumbing fittings
Dimensions (LxWxD) 3.43 in x 3.15 in x 1.18 in
Warranty 12 months

What Is Included

Item Included
Flush-mount display unit Yes
Sender unit Yes
1.4 m sender lead Yes
3 m extension lead No, bundle dependent
NPT adapter pair No, bundle dependent

Resources and Downloads

Frequently Asked Questions (click to expand)

1. How does the Flush Mount Water Tank Gauge work?

The sender installs inline on the water line and the display tracks water use from the programmed tank amount. The built-in gauge shows the remaining water in liters or gallons.

2. Does it require drilling into the tank?

No. The sender is installed on the hose line, so nothing is fitted to the tank itself.

3. Is this gauge powered by 12V only?

Yes. This model is designed for 12V hard-wired operation.

4. Where should the sender be installed?

For best results, install the sender about 200 mm after the pump and away from 90 degree elbows. If space is limited, it can be fitted before the pump.

5. Can I switch between liters and gallons?

Yes. The unit can be changed between liters and gallons through the power reconnect procedure described in the installation guide.

6. Do I have to reset it after refilling the tank?

Yes. After refilling the tank, turn the display on and hold the reset button for six seconds so the unit returns to the programmed value.

7. Does it work with gravity-fed and pressurized systems?

Yes. It is suitable for both gravity-fed and pressurized freshwater systems.

8. Can I cut or extend the sender lead?

No. The sender and extension leads should not be cut or joined. Use the proper extension lead if you need more length.

9. What fittings do I need for installation?

The sender has 1/2 in BSP male threads. Many customers use 1/2 in BSP female to 1/2 in NPT male adapters, or other compatible plumbing fittings that suit their hose and system.

10. What happens when the tank runs low or empty?

When the remaining capacity reaches zero or below, the unit gives an audible alert and the display turns red.

California Proposition 65 Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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Shipping & Returns

We offer free shipping to the lower 48 states on all products. Orders shipping to Alaska, Hawaii, Canada, or international destinations may have additional shipping charges calculated at checkout or quoted separately. Local pickup is also available at our McMinnville, Oregon warehouse by appointment.

Most purchases can be returned within 30 days of purchase if they are in new, resalable condition with original packaging. A 20% restocking fee applies; return shipping is the customer’s responsibility, and some items are final sale or not eligible for return. For full details, please see our Shipping Policy and Return Policy.

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