Q: I installed a water heater recently, and the installation went great. However, it takes a long time for the hot water to reach my faucets. Prior to my new water heater, my recirculating pump worked ...

The UltraCirc design incorporates a ball valve on the inlet side of the pump, a spring check valve on the discharge side of the pump, and 1/2-inch sweat union connections. The magnetically driven ...

Pablo Päster is an energy and sustainability management consultant who wrote a weekly advice column for Treehugger from 2009-2012. Dear Pablo: I am considering getting a hot water recirculation pump.

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The FP 400, a next-generation diaphragm pump from KNF, combines the advantages of diaphragm pumps such as self priming, the ability to run dry, and long, maintenance-free lifetime under ...

This paper highlights the system requirements and operating conditions of automatic air recirculation valves and reviews compatibility of existing calculator types with these requirements. When ...