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RainFlo LiquiLevel Plus Tank Level Indicator

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  • RainFlo LiquiLevel Plus Tank Level Indicator (36339)
  • RainFlo LiquiLevel Plus Tank Level Indicator (36339)
  • RainFlo LiquiLevel Plus Tank Level Indicator (36339)
Calculated at checkout

 Product Description

Superior stainless steel construction allows for installation in chemical tanks, as well as water tanks. Simple pulley and counterweight system with free hanging indicator on outside of the tank. Includes 16 foot guide wire. Suitable for tanks up to 16 feet deep.

Superior Quality:

Constructed from stainless steel, these tank level indicating gauges will never rust and are built to last a long time. Ingenious design allows tank liquid level on inside to be visibly seen from outside of the tank. 

Highly Visible:

The black indicator has a bright white, highly reflective band across it, making it visible from hundreds of feet away. At night, shine a flashlight or headlights on it and the reflective band will light up for the viewer. 

True Reading:

Unlike homemade water level gauges that rise up the tank when the water level goes down inside the tank, the LiquiLevel shows the actual water level. What you see is what you have.


No gimmicks, no batteries, just a simple float/weight/pulley system.

Easy to Install:

All necessary items (template, instructions and hardware) are provided to make it easy for the handyman to mount the LiquiLevel on the tank roof.


Built with quality materials and large, free-running pulleys, the LiquiLevel water level gauge provides reliable service year in, year out. Includes three year warranty.


 How it Works:

  • The weighted float and indicator are connected to the counterweight by separate cords, each cord running over a pair of pulleys. When the float is half-immersed, everything is balanced.
  • Rising liquid level lifts the float up, the counterweight moves down, and the indicator keeps pace with the float.
  • Falling liquid levels causes the weighted float to pull the counterweight up, and again, the indicator keeps pace with the float.
  • At all times the indicator matches the liquid level exactly, even when installed at an angle.
  • This model suitable for tanks up to 16 feet in depth.
About the RainFlo LiquiLevel Guide Wire


Guide Wire Product Description:

The LiquiLevel guide wire system is recommended for use on all LiquiLevel installations. The guide wire system is simple to install and designed to keep the Level indicator plumb to prevent it from being knocked, and from swinging from side to side in extreme weather conditions.



  • Easy to install
  • Longer cord life
  • More accurate level indication
  • Weather resistant
  • Can be retro-fitted to all storage tanks fitted with a LiquiLevel system

Principle of Operation:

The guide wire system is fitted to the Liquilevel bracket at the top of the tank and is looped through an eyebolt at the base of the tank. Once tight with tension, the level indicator can move freely up and down the guide wire.



The guide wire is suitable for outdoor use and is made of high quality corrosion resistant materials.


Easy to Install:

The Guide wire’s M6 male threaded stud end is fastened to the front base plate of the LiquiLevel bracket, using M6 nuts. The other end of the guide wire has a plain end which is looped through an eyebolt and tightened with the guide wire fastener. The M6 eyebolt is installed into the concrete tank base.


What is Included:

  • 16 foot (5m) x 1.5mm wire with M6 x 45mm male stud end
  • Gripple wire fastener
  • (2) M6 hexagonal nuts and washers
  • M6 x 73mm eyelet ground anchor (for masonry base fixing)
  • M6 x 20mm polypropylene eyebolt and nut

LiquiLevel Tank Level Indicator - Installation Instructions
Guide Wire - Installation Instructions

RainFlo Rainwater Harvesting Systems
Available Options:


RainFlo Part Number Product Picture Product Description Price
36339 LiquiLevel Plus with Guide Wire LiquiLevel Plus, Includes 16 Foot (5m) Guide Wire $229.95
36292 LiquiLevel LiquiLevel $189.95
36360 Guide Wire for LiquiLevel 16 Foot (5m) Guide Wire for LiquiLevel $59.95
36346 LiquiLevel XL Plus with Guide Wire LiquiLevel XL Plus, Includes 32 Foot (10m) Guide Wire $249.95
36322 LiquiLevel XL LiquiLevel XL $199.95
36353 Guide Wire for LiquiLevel 32 Foot (10m) Guide Wire for LiquiLevel XL $69.95



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