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That is quite normal (not right) for vacuuming to create a problem because of the extra load through the hose

Thanks for your time spent on this with me trying to understand my setup I was primary concerned with any detrimental effects of restricting the flow but the usage depends on what the supplier says about my leaking Powerline. I will also contact the supplier of the larger pump and see if they...

Yes I'm using the smaller pump now. The only concern I have is that it shows some signs of leaking and when I send it back I will need another pump to keep up the circulation. I have another post on here about that. That was why I was enquiring about restricting flow The smaller pump filters...

If you look at my post about the filter. you will see it's the smallest one .24m (about 2.6 square feet) which is more than adequate for my pool

1 The original pump was the Gibbons FCP-750S 2 I don't remember 3 The filter gauge is about 6" higher than the water level 4 I have re-plumbed it with Flexpipe which has an ID of 42mm OD 50mm

No that's not the one but the smaller .5hp is the one that I replaced it with My superflo filter Q120 is the right size for my 45,000 litre (10k UK gallons) pool The pump I changed for the smaller one is FCP-570S. You can click on the link to get the technical data

It's been a while because I changed it for a smaller one which worked fine and the pressure rise was 2

Dirt was coming back into the pool even with DE in the filter I had also done a deep clean

The filter spec says .6hp with a flow of 10 cubic metres The pump is 1hp with a flow of 17 cubic metres Plus the fact that it was not filtering that well even with DE in the filter

My filter is fine for my 45000 litre pool with a rated flow of 10 cubic metre With a heavy use of 60000 litres and a light use of 100000 litres

I have a spare pump that is to large for my sand filter. What's the general opinion of restricting the pressure side of the pump to reduce flow through the filter

I doubt that as lots of pools use the pool water in their hot tubs Contact them and ask them why. Also what does the hot tub say

Just search online for swimming pool sodium hypochlorite Try and find somewhere local as the carriage costs can be quite high I buy 4 x 20 litres at a time and share it with my son

Yes exactly the same My hydrochloric acid is 36% and I use 34.6% Not a lot of difference and you can always put in a bit less Be careful as it lowers pH as well, best to concentrate on lowering pH and then aerating to raise the pH until you have the right numbers

I haven't taken the pump apart as it was under guarantee, so I wouldn't know what the internals were like apart from the images What bothers me now is the replacement pump is showing signs of leakage as well after only a few months and I'm not to happy about my suppliers response Regarding the...

Thanks for the reply Can you let me have the details of a European contact as I would like to dicuss with them about these pumps The UK website Power-Flo II shows it as a Power Flo II but my pump is a Powerline Why would they have different names unless the Powerline is inferior I use the TFP...

Did the image that I sent, help you understand what could be the problem with these pumps - - - Updated - - - I've just got some Aquachek salt test strips. The result is 2430, well below the 3000 for a SWG

That won't be the problem because when the main drain is open there are no bubbles in the pump basket only when the skimmer line is open If the "O" ring and lid was a problem it would be constant

That is a suction side air leak between your skimmer and the valve you turned off

Yes that's correct Hayward Powerline Pool Pumps - Pool Pump - 1st Direct Pools

Fibreglass pool and yes it's bonded

No didn't think it a problem although my thermal cover gets salt staining

They sent a lot of images back. I suspect that the corrosion is from the salt in the sodium hypochlorite

But what is the damage on the shaft caused by I suspect that the leak is in the same place

Does anyone have an idea what has happened here