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+--- Thread: Catchment question (/showthread.php?tid=13707)
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Catchment question - birdmove - 05-30-2014
We just bought a house in Ainaloa. It was a bank repo. The catchment tank needs work, and we want a second filter and a UV light in the system. I was there today, since we just got the keys. The house is plumbed for catchment, but I noticed there is no pressure tank. Unless they put it under the house, but that wouldn't make sense. Can catchment systems have some type of on demand pump?
I have someone lined up to repair the tank, and someone to install the UV light and second filter, and I'll be able to ask them when I get to meet with them. Just thought I'd ask the group here, as everyone is a wealth of information here.
Jon in Keaau/HPP
RE: Catchment question - csgray - 05-30-2014
We looked at a lot of bank repos that had had the pressure tank and/or pump stolen, so it may just be gone.
Carol
RE: Catchment question - Mimosa - 05-30-2014
Speak with Peter Epperson at Pacific Gunite.He is a wealth of knowledge and can answer all your questions.
RE: Catchment question - KeaauRich - 05-30-2014
But the brief answer to your question is yes, you can have an on-demand pump/no pressure tank required system.
RE: Catchment question - Kelena - 05-30-2014
Congratulations on your home. When I bought my house I could not find my pump. Looked all over for it. And then I looked in the tank. There it was. Submersible type. I doubt that is where your pressure tank is (or could be!). Sounds like the water system was pretty basic.
When I had an issue with my pressure tanks, the pump would kick on every time I asked for water --- on demand.I was told that puts wear and tear on a pump. Once my pressure tanks were properly regulated I did not have that issue where the pump went on every time I wanted water.
RE: Catchment question - Hunt Stoddard - 05-30-2014
If you pump is a grundfos (or was one before it was stolen) then there is probably no pressure tank in the system, since many grundfos have a tiny (like half gallon) built in tank that just serves so that the pump doesn't go on for small leaks. I personally don't like them myself, but Water Works sells them. They are demand pumps, so basically every time you flush a toilet, it will go on. Some people do run pressure tanks with those grundfoses, but you really aren't supposed to.
RE: Catchment question - Royall - 05-31-2014
Jon, I sent an email.... let me know if it comes through or not.
RE: Catchment question - csgray - 05-31-2014
Since we are talking catchment pumps does anyone have an opinion on which pumps are the quietest? Ours is so loud I think everyone in the neighborhood knows when it kicks in after someone flushes a toilet.
Carol
RE: Catchment question - Royall - 05-31-2014
quote:
Originally posted by csgray
Since we are talking catchment pumps does anyone have an opinion on which pumps are the quietest? Ours is so loud I think everyone in the neighborhood knows when it kicks in after someone flushes a toilet.
Carol
Quite often it is all location. Another factor is how it is plumbed to the house. I've seen flexible lines that go from the pump to the main plumbing of the house that is supposed to reduce the transferred sound. If the pump starts each time the toilet is flushed, you either have a MQ3 Grundfos pump, or a tank system that needs to have the pressure increased in the tank.
RE: Catchment question - csgray - 05-31-2014
It doesn't run with every flush, but the neighbors sure do hear it every time it does run, if/when we do end up replacing it I want to get something quieter.
Carol