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RV Tank Sensor Monitor Panel M21 | KIB Replacement | Includes Wire Harness Kit | Level Sensor | Fresh Water or Holding Tank Level Sensor White

4.6 (1) Write Review
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$61.49

$ 27 .99 $27.99

In Stock
  • Overall Dimensions: 2 7/8"W x 4 5/8"H
  • Bolt Hole Spacing: 2"W x 3"H (hole center to hole center)
  • Includes: K101 "pigtail" wiring harness
  • Origin: Proudly Made in the USA
  • Display: Easy-to-read for quick monitoring
  • Monitoring Capabilities: Tracks batteries, fresh, gray, and black water tanks
  • Durability: Built tough for long-lasting performance
  • Fault Detection: Instantly identifies any faults or issues
  • Convenience: Control water heater and pump with ease
  • Enhanced Visibility: Switches light up for improved visibility


The RV Tank Sensor Monitor Panel M21 is a reliable KIB replacement that includes a wire harness kit and level sensor, suitable for monitoring fresh water or holding tank levels in recreational vehicles. This white panel offers a practical solution for maintaining optimal tank levels during travel or camping. With dimensions of 3 ¾”W x 3 ¾”H and a faceplate of 3 ½”W x 3 ½”H, this monitor panel is designed for easy installation and accurate readings. The kit comes with three K101 “pigtail” wiring harnesses, operates on 12V DC power, and features an easy-to-read display for convenient monitoring. Additionally, it allows users to monitor tank levels, battery status, control the water pump, and manage electric and gas water heaters effectively. Upgrade your RV's monitoring system with the RV Tank Sensor Monitor Panel M21 for enhanced functionality and peace of mind during your travels.


J. McClain
Reviewed in the United States on July 11, 2024
Swapped out old malfunctioning control panel from my old Mallard travel trailer.