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My 1.5 HP pump motor died and I ordered a new (variable speed) one, which won't arrive until Tuesday. I have a spare 4 HP motor from a hot tub. If I can connect that motor to the wet end of my old pump and use it for the next few days, will it do any harm? I assume the water would move through...

Good questions. I have had Zeobrite in the filter for a few years and never had this problem before. The filter tank seemed to be less than 2/3 full. I can see that the Zeobrite particles are bigger than the openings in the laterals. I have not noticed what position the valve is in when the...

Sand is coming into my pool through the returns, so I opened up the filter and removed the sand. The laterals and vertical standpipe are fine; no damage at all. I also opened up the multiport valve and didn't see anything wrong with it either. Now what? Does anyone have an idea what else could...

No screws under the label. The tube does not have a screen at the end. Could the sand be getting back into the pool through that tube? It seems unlikely, as that tube has been that way since i installed this filter one or two years ago, and I never had the sane problem until now. (Also, the...

There is a small plastic tube next to the vertical standpipe. What does this do, and should it be connected to anything?

There is no name on the filter body itself, just VRAC on the multiport valve, along with Code 22358 and Serial Number 07318-3260. Googling has not turned up anything useful yet. - - - Updated - - - And now I'm wondering if I should even bother taking apart the multiport valve, or just bite...

Sand is blowing back into my pool through the returns, so I want to take apart the multiport valve to check it. My valve is made by VRAC and has no screws. It looks like maybe the upper plastic part screws onto the lower part. The top part has notches around the perimeter. It looks like maybe...

Duh! Now that you explain it, Dave, it's obvious. I used Tees instead of 90 degree elbows, so the water is of course bypassing the cell. Believe it or not, I renovate houses and do a lot of my own plumbing, but somehow I screwed this up. As for the plumbing: the cell is the last thing. The...

I just installed a salt water chlorine generator. When I turn the pump on, water seems to be flowing normally; water comes out of the returns in the pool forcefully. But water does not flow into the generator cell, which is mounted (following the manufacturer's instructions) 6 inches above the...