I'm considering having a utility sink and an old dishwasher hooked up
in my basement. The plan would be to use an above ground sump and pump
to move the water up 4-5 ft to my main sewage line. A contractor tells
me a special pump is required to handle the heat of dishwasher water.
Here are my questions:
1.) Is this true?
2.) What temperature should the pump be rated for? The model he is
considering is a WaterAce R930 which is rated for 140 degrees F
3.) Is this something that a licenced plumber needs to do?
===> Almost surely true. Also the pump has to be able
to stand the effects of the detergents and things like
===> I believe 140 is the recommended temp for
dishwashers. At any rate, it should be rated at least
equal to or higher than that with an intermittant duty
Sounds like it. I only say that because of the
questions you've asked and the manner in which you
asked them. I simply meant it sounds like you don't
have access to the accurate information you really
need, and probably not the experience you need.
Therefore IMO you should see a plumber.
However, it's well within the abilities of a diy'er
if you can figure what you need and how to apply it.
There might be local codes requiring it to be done
by a licensed plumber also; check with your code
enforcement office to find out.
Yes, things like this are done all the time. You may alsowant to look under
All pumps will have a temperature rating. If there is a sump of some sort,
the temperature will be moderated by the water already in the sump.
That should do it. We use 140 degree pumps at work for cooling water that i
130 to 150 and they last for years.
The town probably requires a permit for plumbing. Many people don't bother.
It can be done by someone with a little experience. The system should have
a check valve on the outlet to prevent backflow. There should be an alarm on
the sump if the water reaches a certain level and the pump fails. Lok at
some of the commercial products available www.mcmaster.com or
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