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View Full Version : 9420.04 Hydrofoamer help!

Jacwil
10/12/2012, 08:58 AM
It appears one of the two pumps on my Master Doc 9440 failed...what should i do? Where may I find another?

Thx!!!
Craig Borowski
10/12/2012, 09:19 AM
Have you taken it apart to clean it and inspect the impeller? Also, how old is the pump?
Jacwil
10/12/2012, 12:02 PM
I bought the skimmer used here last spring. It's been in use in our system for a cpl months. I took it offline during a wc and one pump didn't restart.

I've taken apart cheaper pumps and inspected but never one of these. I'll take it apart and see what I find.

I believe the skimmer to be around 5 yrs old but I'll chk the pm's.
Jacwil
10/13/2012, 09:14 AM
Took it apart..saw nothing wrong but it's not like I have a great "trained eye!" ;)

Put it back together and remains inop.
Jacwil
10/14/2012, 06:29 AM
Woohoo! Modified a mag 3 and swapped out the Hydrofoamer with it....it's CRANKIN now!
moondoggy4
10/14/2012, 11:43 AM
A Mag 3 equivalent to a 9420 pump? What did you do to make it a skimmer pump? Have you tried running the tunze without the front cover on for just a second to see if it will turn on?
Jacwil
10/14/2012, 05:46 PM
Removed plate on the Tunze...impeller appeared seized. I added a few drops of muriatic to see if it was a bit of calcium etc but still won't budge.

The mag 3 pushes about the same gph...added the appropriate fittings along with a venturi and now have good skimmate.

It may not certainly be AS good as the Tunze but it was only $60 from my awesome LFS!
moondoggy4
10/14/2012, 07:40 PM
Glad you got it working again Nice to have a great LFS. We have a semi LFS about 40 miles away he is a equipment junkie like me I can spend hours in there.