1. Boat Plumbing-Ventilation Offered
  2. sku: 7494662582761722
  3. SEALAND SX12L

SEALAND SX12L San Holding Tank Level Monitor Display Dometic Toilet Head

Sx12l Sealand San-x Holding Tank Level Monitor Display Dometic Toilet Head

( Brand: Sealand ), ( Part Type: Display Tank Monitor Head ), ( Manufacturer Part Number: SX12L )

Review SEALAND San x Holding Tank Level Monitor Display Dometic Toilet Head

Introducing the Sealand SX12L San-X Holding Tank Level Monitor Display by Dometic, a reliable and user-friendly solution for monitoring the water levels in your RV's holding tanks. This innovative device is designed to provide you with accurate and real-time information, ensuring you never have to guess when it's time to drain your tanks again.

The Sealand SX12L features a sleek and compact design, with a digital display screen that is easy to read from a distance. The monitor boasts a backlit LCD screen, which allows you to check the tank levels even in low-light conditions. The screen displays the level of both the black and gray water tanks separately, enabling you to keep a close eye on each one.

This holding tank monitor system is designed to be easy to install, with a simple plug-and-play connection to the existing tank sensors. It can be easily mounted on the wall, and the display unit can be positioned where it is most convenient for you to view. With no complicated wiring or installation procedures, you'll have this system up and running in no time.

The Sealand SX12L is built to withstand the rigors of RV life, with a durable and waterproof construction. It is designed to operate in a wide range of temperatures, ensuring reliable performance in all conditions. The monitor also features an automatic power-saving mode, which helps to conserve battery power and extend the life of your RV's power supply.

This holding tank monitor display is an essential accessory for any RV owner, providing peace of mind and convenience. With its accurate and reliable performance, easy installation, and compact design, the Sealand SX12L is a must-have for your RV journey. Say goodbye to the guesswork of tank monitoring and upgrade to the Sealand SX12L San-X Holding Tank Level Monitor Display by Dometic today.

Sealand SX12L San-X Holding Tank Level Monitor Display: A Detailed Analysis

The Sealand SX12L San-X holding tank level monitor display, manufactured by Dometic, is a popular solution for RV owners seeking to monitor their black and gray water tank levels with ease. In this analysis, we will discuss the pros and cons of investing in this device.

Pros:

1. Accurate and reliable: The Sealand SX12L utilizes ultrasonic technology to precisely measure the water levels in your holding tanks, ensuring that you always have an accurate reading.

2. Easy to install: The monitor can be installed in just a few simple steps, making it a convenient choice for RV owners who prefer DIY projects. No professional installation is required.

3. Dual tank monitoring: The device allows you to monitor both your black and gray water tanks individually, providing you with valuable information to help manage your water usage efficiently.

4. Large, easy-to-read display: The 3.5-inch LCD screen offers a clear and legible display, making it easy to check your tank levels even in bright sunlight.

5. Compatible with various RV models: The Sealand SX12L can be used with a wide range of RV brands and models, making it a versatile choice for many RV owners.

Cons:

1. Limited battery life: The monitor requires a 12V power source to operate, and the battery backup only lasts for a few hours. Therefore, it may not be a suitable choice for RVers who prefer to boondock or camp off-grid for extended periods.

2. Expensive compared to manual gauges: The Sealand SX12L is more expensive than traditional manual tank gauges. However, the added convenience and accuracy of the device may justify the investment for some RV owners.

3. Requires periodic calibration: The ultrasonic sensor may require occasional calibration to ensure accurate readings, which can be a minor inconvenience for some users.

Conclusion:

The Sealand SX12L San-X holding tank level monitor display offers numerous advantages, including accurate tank level measurements, easy installation, and dual tank monitoring. While it may not be ideal for RVers who prefer to camp off-grid for extended periods or those on a tight budget, its convenience and reliability make it a worthwhile investment for many.

Recommendation:

If you're an RV owner seeking a reliable and convenient solution for monitoring your holding tank levels, the Sealand SX12L San-X holding tank level monitor display is an excellent option to consider. Its accuracy and ease of use make it a valuable addition to any RV setup. However, if you prefer a more budget-friendly solution or don't require the added convenience of digital tank level monitoring, a manual tank gauge may be a better choice for you.

part # sx12l prices

  • $45.00-$46.00

specifications vesselvent:

  • brand: Sealand
  • part type: Display Tank Monitor Head
  • manufacturer part number: SX12L

payments vesselvent:

  • other
  • wallet: Paypal
  • credit card: Diners-club

returns vesselvent:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

shipping vesselvent:

  • service: USPS Ground Advantage
  • cost: $4.75
  • type: Fixed
  • transit: 5-12 Days
  • carrier: USPS
  • class: Standard

general vesselvent:

  • Parts Accessories > Boat Parts > Plumbing Ventilation
  • condition: New

offer vesselvent:

  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: January 9, 2026

seller vesselvent:

  • rating: 100.0%
  • # reviews: 994
part type: display tank monitor head,
category: boat parts > plumbing ventilation, sku: 7494662582761722,

Sealand SX12L Is Similar To:

vesselvent logo
5 offers $45.00–$46.00 USD
  • Offer #1: $45.00 price + $5.50 delivery = $50.50* total. New old stock. SEALAND SAN-X HOLDING TANK LEVEL MONITOR DISPLAY DOMETIC.+$5.50 shipping
  • Offer #2: $45.90 price + $17.10 delivery = $63.00* total. I will do my best to resolve the issue. Condition: Good used condition.+$17.10 shipping
  • Offer #3: $46.00 price + $18.45 delivery = $64.45* total. 87 Sea Ray 270 Boat SeaLand holding tank level monitor. 93 Formula F-31 31 PC Boat Sealand see land holding tank level monitor.+$18.45 shipping
  • Offer #4: $51.46 price + $18.45 delivery = $69.91* total. Shelf 28-3-4-A.+$18.45 shipping
  • Offer #5: $47.50 price + $16.72 delivery = $64.22* total. Used in good condition.+$16.72 shipping