In this video I install and review an instant whole house hot water recirculation system by Watts. The system is designed to cycle water from your water heater to a select faucet so that you have instant hot water at each faucet. If you pick a faucet that is the farthest from your heater you have a good chance that all your taps will have instant hot water. If that doesn’t work you can buy additional temperature controlled crossover valves kits for other faucets that are on different piping routes.

<video of install and review>

The system cost about $200 for one faucet and $50 for each additional faucet if needed. With the first crossover valve at my kitchen sink my daughter’s bathroom sink was also always hot but I had to buy a 2nd crossover valve for the master bathroom being it was on a different piping route. If you call the Watts help line 1-800-752-5582, they say not to install in a kitchen if you have an R/O system or a dishwasher T’ed off the water supply line. I don’t have an R/O system but I do have a dishwasher, so we only run the dishwasher at night when the recirculating pump is off.

I don’t think this will be an expensive system to run because you set the recirculation pump to run at select times of day and it only cycles water until the crossover valves senses about 90F and then the crossover valve closes stopping the recirculation. That means you always have 90F at each faucet when the pump is set to run, plus the pump only uses 25 watts of power. Time will tell if this is a costly system so I will report back in a few months. I have been running the system for only one month now and don’t have enough data to really make any comments on the cost increase or savings. I might have savings because I replaced a 2.5 gal under sink electric water heater with this whole house system.

The install was easy and only took me about 1 hour. In the video I cover some tests and my opinion after one month which was “I like it!” and “It works great!” The only strange issue is that you have 90F water when you turn on the cold water too. I state in the video review that the cold drops off to 80F in 40 seconds and 63F after another minute. I don’t care if the cold side is warm for a minute, waiting for cold water is not an issue for me.

I hope you enjoy the video and photo gallery below. CLICK ON PHOTO for hi-resolution image.

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