Hot Water Recirculation Systems

Specializing in many eco-friendly and water saving practice, the expert Raleigh NC plumbers at Poole’s Plumbing can install many different products and systems to help you save both at the faucet and in your wallet. The installation of Hot Water Recirculation Systems can help you make big savings in both of these areas, all the while cutting down the wait time that you experience as you wait for your hot water to turn on.


To begin, many people may be uncertain as to exactly what Hot Water Recirculation Systems do. Explained by one of the major manufacturers of these type systems’ Grundfos’ business specialist, Tom Phillips, “The system operates because the pump creates a small pressure differential between the hot and cold water sides.” He added, “A thin wax filament inside the valve enclosure expands and contracts predictably, contracting when it’s cold to open the valve and closing as the wax expands with the heat from the water.”

Hot-Water-Recirculation-Systems-The process of installing Hot Water Recirculation Systems such as the Grundfos brand model’s that are many times installed by the Raleigh professional plumbers at Poole’s Plumbing only takes about an hour or two total. Seeing that much of the heat is lost as the water travels through your pipes and that you have to wait for said water to initially heat up, installing Hot Water Recirculation Systems can save on both the energy used and water being wasted.

As explained at, the benefits you can see from installation of Hot Water Recirculation Systems are as follows:

  1. Recirculating pumps have the potential to solve the problem of a long wait for hot water at a distant fixture, while simultaneously saving energy, water and money.
  2. You no longer have to send cold water down the drain while waiting for warm water. Instead, recirculating pumps rapidly pull hot water from a water heater, while simultanously send cool water from the hot water lines back to the water heater to be reheated and reused. Demand systems can be controlled by the push of a button, a timer, or motion sensor.

To learn more about Hot Water Recirculation Systems you can read the entire article at the Energy Star website here, or visit the Grundfos website as well at


Cutting Energy Costs with Hot Water Recirculation

by raleigh plumbers on February 3, 2015

The Raleigh commercial and residential plumbers at Poole’s Plumbing specialize in the installation of many hot water systems that can help with Cutting Energy Costs. One option that is worth your consideration when looking to save money is a hot water recirculation system.

There are several types of recirculation systems, with the demand hot water system working in such a way that when this unit is started, cooled water that has been sitting in your hot water line is pushed back into your water heater through the cold water line, thus, saving you’re the time and waste of running that water until it is warm. This saves you energy and water, as with this system, the pump simply turns off once your water’s temperature reaches its desired level.

In an integrated loop system, your hot water is recirculated intermittently. This type of system returns the unused hot water to your water heater through the cold water pipes, again conserving your water usage.

Many of the pros and cons of a hot water recirculation system can be seen at, and if these systems are the right fit for you to maximize your time and help you with Cutting Energy Costs, the Raleigh Plumbers at Poole’s Plumbing are the only choice for installation.