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Well Level Systems & Controllers


A well water holding tank is simply a large storage tank that holds water drawn from a well. A motorized pump is placed in the well and water is drawn into a holding tank where it can be used and stored. This holding tank can range greatly in size, with some being as small as 2,500 gallons to others as large as 144,000 gallons.


Well Water Holding TankWell water tanks can be found domestically in residential areas for drinking water and irrigation, as well as commercial potable water systems and industrial uses such as nurturing livestock or industrial processing. Regardless of its application, knowing how much water the holding tank has is crucial to ensure that the well and pump are being used efficiently. A faulty level control switch or float in a well water holding tank could result in an overflow of water, or an empty tank and dry running mechanisms. Waterline Controls easily integrates with SCADA using dry contacts.


The water level sensor of your water holding tank is an essential component. If not repaired or replaced, a sensor can become damaged over time and fail entirely. Too much water can cause a malfunction and too little water means inadequate water pressure. Either way, repairing or replacing holding tanks is an expensive task you shouldn’t have to undertake because of sub-par sensors. With Waterline Controls’ water holding tank level sensors, there’s nothing to break down or rust and our models have a 99% success rate! In the high unlikely event that you experience any issues with your product, call us and we’ll replace or repair it immediately at no charge.


Our technology controls the pump’s on and off functions, offers a low alarm, and indicates if the unit has lost power for any reason.


Our level sensors and controls aren’t just for use in residential potable water holding tanks; some models are suited cooling towers, boilers and building fire protection water tanks. We can accommodate businesses and properties with dozens or even hundreds of apartments or condominiums. If there’s a water tank, there’s a need for a level sensor, so quality is crucial. All of our products, whether level controllers or liquid level sensors, are made in our US-based facility, where we monitor every step of the manufacturing process. We are confident in the lifetime warranty we offer and guarantee all product satisfaction. In fact, many of our first models, developed in the 1980s, are still in use today.


Well Water Holding Tanks For you and your family, the safe and accurate control of the holding tank water level makes the difference between having drinking water for your home and not having it. Waterline Controls, with over 25 years of experience, makes the products you and your family can count on and provides a Lifetime Limited Warranty with all of its units. The liquid level sensors we use are low-voltage and low-ampere, and greatly reduce the chance of injury due to electrical shock during installation or maintenance. Unlike a great deal of our competitors, our well water holding tank sensors are designed for use in water, resulting in little or no need for calibration during the install. There’s no service fee for water level switch installation. At Waterline Controls, we are confident you’ll find our products safe and easy to install yourself. If you do have questions, we’re available at 888-905-1892 to walk you through the installation process.



Additional Information


Enclosure: 8-3/4” X 10-1/2” X 6” including the hinge and the latch. For indoor and outdoor use.

Sensor assembly: 3” diameter up to 12 feet long.

Electrical: Controls operate at 5HP at 220VAC Internal Relay Contacts rated 40AMPS at 250Volts Dry Contacts, if used, are rated 0.5AMPS at 60Volts.

The Sensor is Intrinsically Safe.
  • Well Water Tank Control

    Well Water Tank Control

    Eliminate the use of float switches with CP2-110 for your well water holding tank.

    This product is fast and easy to install on your own well water holding tank to replace those electric float switches permanently.  You will now have no moving parts in the water to wear out, virtually eliminating the moving part(s) failure points for these water storage tank systems.

    This floatless Water level control product is a low cost solution for residential well water holding tanks. The sensor head with its five foot long rods have a low water alarm to turn off the booster pump if water gets too low and a fill on/off switch points to turn the well pump on and off at different water levels.  The sensor head is designed to go into the top of the tank or mount along side the tank in an external static pipe. The sensor rods will not foul, plate or deteriorate no matter the water quality and comes with a 100% Satisfaction Guarantee.  The Power supply is designed to go into a new or existing electrical panel that has the well pump relay (110VAC coil) and the booster pump relay (110VAC Coil).  This power supply can use 110vac or a 220vac version s available for the same price, just let us know you want the 220vac version.  All the connections between the power supply and the sensor are color matched to make the installation easy and fast.  Call us today and let’s see how we can help you resolve your issues.

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    *If you are a Reseller, Sales Organization, Distributor, Contractor or an OEM we want to talk with you to determine an SPA price program for your organization so please call us at 1(888) 905-1892 or contact us now.

    Price: $360.00