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Old 14-04-2015, 12:15   #1
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PHII trouble shooting

I am going through the steps to find out why it won't draw in water and I need to remove the discharge valve cap and possibly the intake valve cap and I need to know how to remove them without tearing them up.
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Old 14-04-2015, 12:19   #2
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Re: PHII trouble shooting

Pretty sure on Raritan's website there is a .pdf exploded diagram, and I've called them, they were very helpful.
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Old 14-04-2015, 15:57   #3
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Re: PHII trouble shooting

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Originally Posted by a64pilot View Post
Pretty sure on Raritan's website there is a .pdf exploded diagram, and I've called them, they were very helpful.
Yes there is, alsong with a parts list...in the owners manual, which he can download from the link posted earlier.
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Old 14-04-2015, 16:15   #4
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Re: PHII trouble shooting

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Originally Posted by dearmstr View Post
I am going through the steps to find out why it won't draw in water and I need to remove the discharge valve cap and possibly the intake valve cap and I need to know how to remove them without tearing them up.

Hi, just went through this a few days ago with my PHII. Low flow and backpressure when pumping. Here's the thread where I found the solution to my problem. Raritan calls for water pump pliars to remove those caps, but I used a pair of Channel Locks. Just grip the outer edges carefully and the cap spins right off. It's not on very tight and don't over tighten when you re-install or the gasket squishes out. You'll find a ball and spring inside both. That's where I found my "blockage".

Raritan also calls for a 7/8 deep socket to remove the cartridge in the pump. I found that a crescent wrench worked fine, just make sure the jaws are tight on the plastic nut. It was a pretty simple rebuild...

Here's the thread. Fixed! Raritan PHII Back Pressure Problem
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