The Aqua-Flash Recirculating Pump Kit by AquaMotion provides instant hot water to every tap always. The pump features 10 ft. line cord with a built-in mechanical timer and 3/4 in. union connection to the hot outlet, to be installed on top of the water heater. This recirculating pump kit includes a stainless/bronze bypass valve for installation under a plumbing fixture, an electrical connection is not required under it, making it ideal for pedestal sink installations. Simple and easy to install.