recirculation pump

Hello – We have had our house re-piped, and the record pump was connected in a new configuration. The pump is a Grundfos UP 14-42 SF (bronze, which has disappeared from the Grundfos catalog) Unfortunately, it is now leaking from the output flange (arrow). I am confused in searching for...

I have had a Watts 500800 recirculation pump installed for a few years without issue. The pump is on the water heater in the garage and the sensor valve is installed at the kitchen faucet about 40 feet away on the first floor. Within the last 6 months or so, I have noticed a water hammer...

I am looking for some assistance with the my Pex plan for an upcoming remodel. I have included my sketch plan, based on research for the best system(s), however, there appears to be a fair amount of debate with regard to the best system/method to use. I am hoping someone would be willing to...

I added 5 feet of 1/2 in. Type L copper pipe. I connected it to the existing hot water return line which has gate and check valves. The second picture shows the connection of the new pipe to existing gate valve with a SharkBite elbow. That run is 6 inches. The third picture shows the hot water...

We just started the renovation of the master bath so before the demo I took out the sensor valve and installed it in other bathroom. While installing I think I did a mistake due to which there is no water in the bathroom sink now. I turned the hot water valve on first and didnt turn the cold...

My house has a recirculation pump installed at the water heater. There seems to be two dedicated return lines, one for kitchen and one for master bathroom. The master bathroom is above the kitchen on the 2nd floor, they are both on the same wing of the house. Now on the opposite wing of the...