Our Watts hot water recirculator pump on our hot water heater was already installed when we purchased our pre owned home. The previous owners had one of the pump "valves" under one of the sinks in the master bathroom. I never understood why they put it there because that bathroom is on the other side of the wall with the hot water heater. We had that "valve" removed from the master bath. No need for the pump in that bathroom. We can have HOT water within 15 seconds in the shower and both sinks.
Note that I'm calling the gizmo under the sink a "valve" because I really don't know exactly what the gizmo is called.
We had a plumber move the "valve" from under the master bath sink and put it under the hall bath sink which is the furthest from the hot water heater. It makes more sense to be in that bathroom. What a pleasure to have instant warm water and HOT water within a few seconds in the hall bathroom.
We also have a "valve" connected to the recirculating pump under the kitchen sink. That is totally invaluable. I never have to wait for hot water any time of the day and I LOVE, LOVE, LOVE the convenience of the Watts pump providing me with warm water instantly and full hot water within 15 seconds.
I have the pump's built in timer set to go on at 6am and off at 10pm. We have always had the convenience of the Watts pump so do not have any idea how much more in electricity we are paying. It can't be much because our electric bill is very reasonable but we attribute that to the superior insulation and CBS construction of our home here vs our previous homes.
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