Question about Intex Krystal Clear Model 635 Pool Filter Pump 1500 Gph

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Same as others with Krystal clear model 635 pump.

This pump is a piece of junk. It makes ('made' now because it quit working) loud noises from day 1. Ends up the impellor sheared all its blades as someone else described. Can't get a replacement impellor, also as someone else described. Turns out it is made in China. No surprise. The probem is the impellor blades hit the housing, eventually causing the blades to shear. I had to modify my pool a bit with fittings and such so the pump and strainer I bought would adapt to my pool. Therefore, unfortunately I had to buy the same pump to replace this one. Since the pump has a 1 year warranty, my solution is to send back my old one before a year has expired. A little dishonest, but if a company cannot support their product (w/ replacement impellors) then I have no other choice.

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We too have an Intex pool and opted to not waste money on their pumps which arent adequate enough to properly filter the pool. We bought a nice sand filter system off a great seller on amazon for $305 delivered. (DO NOT BUY "GAME" system for intex pools, my sister bought one and has had nothing but problems and just bought 5 weeks ago).

We are very happy with the results from our Waterway sand filter system. We did not have to buy any adapters to fit it to our pool. And it keeps the water perfect! We have an 18' x 52 metal frame pool. If you intend on using your pool for years, I recommend buying a sand filter system. It is more expensive than replacing the intex pump, but you will be much happier with the sand filter system.

Hope this helps. Good luck!

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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Take that piece of junk and toss it. There are simply no replacement parts available. Replace with a Pentair 3/4HP Dynamo and a 75 sq. ft. filter unit. You can use the existing Intex hoses with 1" couplers and pipe clamps. Buy a length of 1-1/2" flexible spa hose to connect from pump to filter. It'll cost about $400 all told for this setup (if you do the install yourself), but you'll recoup the cost in the 3-4 years you'd spend replacing the 635 annually.

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Below is a copy of the users manual for the krystal clear 635. It should have everything in that you need to set up your pool filter.

http://www.pooltoysource.com/images/pdf/RVR006.pdf

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