Calling all Plumbers Recirculating Pump
A client of mine that I have done a lot of work for, small and large projects called me yesterday telling me they have water in a bedroom. On the phone and knowing the house well we quickly narrowed the source. Fire sprinkler was not leaking, adjoining bath all the pluming was on the other wall and it was dry, laundry washer on other wall and it too was dry.
I thought water heater, which would be odd the house is ten ears old and heaters here tend to last 16 or a bit more. Told him I would be up in an hour, got there, stepped on the carpet it was wet. gas water heater bone dry on bottom but there was a bit of water by the wall. The mechanical closet is in the garage, heater ajoins the bedroom and laundry walls. Go in crawl space water is running down 2 of the pipes. He calls me “find it yet” I explain I am close, it is in the wall but which pipe I am not sure, I just hope it is not one right behind the heater.
I cut the wall open at the bottom thinking a nail may of gone into the pipe from the base board on the other side rusted out, and started leaking, nope. So further up the wall another hole and there it is; ( this is in flow order starting down stream) plex – stub out copper supply ell – sweat 1/2 ball valve – 12″ pipe – sweat reculating pump – 9″ pipe – 90 degree ell horz – 18″ pipe – 90 degree ell from horizontal to vertical – 3′ pipe to bronze check valve – galv nipple to tee from there one side of tee has a drain valve other has nipple to water heater.
The leak was right where the plex was crimped, taking it off it was pitted on the inside. Then the pipe at the outlet of the pump breaks, it was just about paper thin. So I replaced all the pipe to the horiz tee.
Question of the day what caused the failure?
I have gotten several answers:
The pump (I am going to get the model # today) it has no timer runs 24 hours. One person
at a supply house thought the fact that it is always on caused the pipe to fail.
The few galvanized fittings with the heater tank caused the pipe to fail due to electrolysis, was another thought.
I just don’t want this to happen again to them. lucky they were home, they both travel quite a bit.
Any thoughts all of this is 1/2 pipe. I will take some photos and post them.
Edited 9/15/2009 12:09 pm by wallyo