With a residential hot water recirculation pump from Grundfos, homeowners can enjoy the comfort of instant hot water while saving up to 10,000 gallons annually. Today, most new homes are constructed with a dedicated return line for efficient circulation, while older homes require a bypass valve to redirect cooled water for reheating.

Grundfos circulator pumps are designed for best-in-class efficiency with low maintenance. Compared to conventional circulators, they cut energy consumption by up to 80 %, while delivering noise-free performance. Here you can find the right circulator pump for your heating, cooling and hot water recirculation needs.

With our hot water recirculation pumps, you can experience a world of instant hot water and comfort from any tap, anywhere in your home, whenever you need it, without wasting a single drop of water.

The Grundfos COMFORT System provides all the components needed to retrofit a hot water recirculation system in a home without a dedicated return line. Installed in less than two hours, the system uses a bypass valve and pump with 24-hour programmable timer to keep hot water available in the lines for immediate use.

The function of a recirculating pump is to ensure that hot water is always available as close to the consumption point as possible, in order to reduce water waste and to increase comfort. A hot water recirculation pump can be sized for a given system using the following formulas: Water flow qc = Φ/ΔT x 4200

Grundfos circulating pumps for hot water include circulator and water transfer pumps to ensure optimal domestic hot water production and recirculation.

Crispaire Instant Hot Water Recirculating Pump Kit with 304 Stainless Steel Bypass Valve for Tank Water Heaters Includes All Installation Components, And 20-Inch PEX Supply Lines for Potable Water 49

The Grundfos Comfort System is designed to eliminate the wait for hot water at the taps in existing homes with no recirculation line. The stainless-steel recirculation pump connects to a standard tank-style

Our most popular home recirculating pump! These Comfort PM AUTO pumps use state of the art technology to provide you a pump that virtually learns your water heating habits, stores the …

Save hundreds of litres from going down the drain every year by installing a Grundfos Hot Water circulator, making hot water instantly available at your taps, whenever you need it (with return line). All models are constructed from high quality, hygienic stainless steel for long, corrosion free life. Are suffering from weak shower pressure?