What Is a Circulator Pump?

by Team eLocal
Critical case for a water heater repair

If you're getting sick of letting water go down the drain while you wait for your faucet to run hot, installing a water heater circulator pump could offer a solution.

What Is a Circulator Pump on a Water Heater?

A circulator pump is installed in your water heater unit. It pushes the hot water from the water heater to your faucets and other heating fixtures, such as radiators and heated towel rails. The water then travels back through pipes to your water heater to ensure a continuous flow around your heating system.

Not all homes have a circulator pump. If you don't, you'll need to run the faucet for a while to allow the cold water in the pipes to flow out before it runs hot. A circulator pump solves this problem by pumping hot water to the faucet and providing near-instant access, reducing the amount of water wasted.

All circulation pumps perform a similar function, but various types are available that work in slightly different ways. An on-demand circulation pump has an integrated motion detector that activates the pump when you turn a faucet on, triggering it to pump hot water to the fixture. The pump turns itself off when the water reaches the correct temperature, or you turn the pump off manually.

Alternatively, you can purchase timed circulation pumps that turn the pump on at a preset time. These let you set your pump to work during the times when you typically need hot water the most. There are also models available that run continuously if your hot water needs stay relatively level throughout the day.

Elocal Editorial Content is for educational and entertainment purposes only. Editorial Content should not be used as a substitute for advice from a licensed professional in your state reviewing your issue. Systems, equipment, issues and circumstances vary. Follow the manufacturer's safety precautions. The opinions, beliefs and viewpoints expressed by the eLocal Editorial Team and other third-party content providers do not necessarily reflect the opinions, beliefs and viewpoints of eLocal or its affiliate companies. Use of the Blog is subject to the

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