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Technical Articles

External Static Pipe

Straight talk about Electronic versus
Electric Level Controls

New Technologies Solves Problems

New technologies and designs have solved the problems formerly associated with Electronic Water Level Controllers.


Electric water level controllers first appeared on the market in the early 1990s. They were initially

Custom Water Level Systems

Other Applications

Other uses for WaterLine Controls

The categories listed below are but a few of the ways our water level controllers can be used. Virtually any industry will have to store significant volumes of water for either their production operations or various plant management systems. Many of those industries, possibly even yours, are using seriously out-dated technology

Intrinsically Safe Sensors

Intrinsically Safe Controls

Intrinsically Safe Defines Waterline Controls

WaterLine Controls may look like conductivity style sensors but it does not work in the same manner. We use software to control the liquid leveling controls sensing system. That software system looks at

Cooling TowerCooling Towers Use and Theory Cooling Towers In HVAC environments towers are typically used to remove heat from a chiller: Hot water from the chiller is sent to the top of the cooling tower where it is released into the tower. The water is sprayed down to the basin or through a heat exchange. During [...]
Cooling Tower

Cooling Tower Types and Usage

How Do Cooling Towers Work?

A cooling tower is an evaporative heat extraction/rejection device. Usually the transfer uses water to move the heat out, which has been heated by an air-conditioning condenser or some type of industrial process.

Instead of using air to remove heat

Water Tank Level Control

Lift Station and Pumping Station Requirements

Lift Stations and Pump Station

These are two different but very similar designs. The lift station is specifically designed for the pumping of waste or sewage material to a higher elevation. The Pump Station is designed to raise water, not sewage, to a higher elevation. They are completely different in

Intrinsically Safe Sensors

Safety Alert from Waterline Controls

Safety First!

Recently, we have been receiving alarming reports from technicians in the field about

Break Tanks

Fire Protection Break Tanks, Purpose and Definition


A Break Tank is a non-pressurized, closed water tank, with an air gap to ensure zero backflow. It interrupts or ‘breaks’ the connection to the water source.

According to The National Fire Protection Association

Cola 2 ControllerFire Protection Break TankWater Level Control Systems Advanced Compliance for Fire Marshall Specifications with Waterline Controls WLC6000-COLA2 Liquid Level Controls. Our most requested fire protection product is the WLC-FPT50 because it meets all the requirements for alarm points to the Fire Panel with a High alarm, service level and a low alarm point. However, there [...]