SPARES2GO Hot Water Circulator Pump Universal Bronze Three Speed Circulation System (45W, 230V, 50Hz, 130mm)

The Spares2go bronze circulator pump works well and will not rust. It is reasonably quiet, but can be heard running. However be aware of the possibility of lime scale build-up from hard water jamming the slim impeller with its small holes, so make sure to place a proper service valve on each port to allow its removal for the usual de-scaling with diluted acetic acid or white vinegar. My application was for a couple of water features in a large pond, but I needed to be able to control the flow, anything from a quiet trickle to a loud torrent, this via a multistage filter and UV algae control. It lives in a shed next to the pond and a timer controls when it runs. My picture shows the pump and its flow by-pass etc for servicing and controlling how much goes through the features. Usually it is on the lowest power setting with only a trickle to keep the wildlife and water lilies happy, and most importantly clean the water in the pond.