Though I was initially skeptical of the pump, I found it appealing due to its low cost (239 MSRP although you can find them for less online), excellent quality and simplicity of application. Watts Hot Water Pump 500-880 can be used to heat water in houses where it is necessary to wait until the hot water comes from another source. We will use 125ft of 3/4″ pipe to show you the savings potential. The average home with 125 feet 3/4″ copper pipe can hold 3.14 gallons. With 10 draws per day, that will waste almost 31 gallons of water if the water runs for one minute while you wait for it to get hot. This is equivalent to 11,461 gallon over a period of one year. It is not recommended to be used in tankless and instant water heater types systems as these systems have different ways of heating the water. Clint spends his time renovating houses or playing with power tools. He also enjoys being a husband, father, grandfather, and avid reader. He has a degree in recording engineering and has been involved in multimedia and/or online publishing in one form or another for the past 21 years. In 2008, Clint founded Pro Tool Reviews followed by the landscape and outdoor power equipment-focused OPE Reviews in 2017. Clint is also the head of the Pro Tool Innovation Awards which honors innovative accessories and tools across all trades.

Although instant hot water is a luxurious option, it saves water. Not to mention that they keep your pipes from freezing , especially if you live in a colder climate.


Each of the best hot water pump recirculation pumps that I have reviewed will perform a fantastic job. They are also reliable. They last many years without any major issues.


Although there is a lot more, I don’t think you should bother looking through all the options. You could just get one of these and be assured of the highest quality.


Grundfos Water recirculating pumps KOLERFLO 3/4′ NPT Water Recirculating pumps. Check the price now.


Nick Lopresti founded Your. The founder of H2Home, Nick Lopresti also specializes in home improvements. He has years of experience writing about various home improvement topics, mostly as it pertains to water systems.

This is a pump only, and perhaps the best recirculating pump available. Taco manufactures this pump, which is known for being durable and built with quality.


Its unique design allows you to replace the internal moving components quickly and easily. All of them are contained in one cartridge within the robust pump body.


Specs: 3/4″ sweat. Can handle up to 220 F water. It can handle up to 10 Gallons per Minute. The pump can be used for domestic hot water circulation, solar, and hydronic systems.


Description: A bronze body with corrosion resistance is durable. Direct-drive performance. It is approximately half the cost to replace a pump with a replacement cartridge.


Pros: Durably built. You can replace the cartridge and all its moving parts.


Pros: This pump only. It can only be used in retrofits. You’ll require a bypass valve as well as lines. It doesn’t have a timer. However, you can easily add one. You can get a complete Kit from Watts and Grundfos.


Bottom line: There are over 90% positive consumer reviews on this unit, from various sites such as Amazon. If you need just a pump and want one that will last 5-10 years, consider this Taco hot water recirculating pump.