Identify correct replacement membrane

[Adman]

Hi all,

My membrane has had it.  How do I know what size/type to replace it with?

Was going to get this from Gardiner's:

http://gardinerpolesystems.co.uk/axeon-hf4-4021-21-ro-membrane.html

Bought it 2nd from eBay when setting up, so can't speak to original supplier.

Any help very much appreciated

 

[spruce]

Hi all,

My membrane has had it.  How do I know what size/type to replace it with?

Was going to get this from Gardiner's:

http://gardinerpolesystems.co.uk/axeon-hf4-4021-21-ro-membrane.html

Bought it 2nd from eBay when setting up, so can't speak to original supplier.

Any help very much appreciated

View attachment 14298

The only thing we can see is it says 4". If you take a photo of the whole housing with its length and diamt measurement, then we maybe able to make a conclusive identification.

 

[Adman]

It's 5" outer diameter of and 23.5" length (of the housing)

More pics to follow





...can't upload any more pics...

Any help or advice on how to identify the correct replacement is very much appreciated ?

Ad

 

[AGlassAct]

Yes it’s a 4021. 4” diameter and 21” long. A 4040 is 4” diameter and 40” long.


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[Adman]

Yes it’s a 4021. 4” diameter and 21” long. A 4040 is 4” diameter and 40” long.


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So is this OK? 

http://gardinerpolesystems.co.uk/axeon-hf4-4021-21-ro-membrane.html

 

[AGlassAct]

Why don’t you remove the one you have to see what’s already inside it. The one you have linked to on Gardiner is the brand of choice but they also do a HF5 version which is for lower water inlet pressure. If you take the housing to bits you’ll see all the details you’ll need (hopefully!) as the axeon ones are printed up


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[Adman]

Ok, will do cheers

 

[Adman]

The new membrane is in,  should I be flushing,  or just running it through like I was filling the tank to bed it in? 

 

[AGlassAct]

You are meant to flush - usually for a couple of hours according to what I’ve read in the past. If the TDS is good after an initial flush then crack on I’d say


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[Dragbag]

I may be wrong but  is flushing a new membrane a  slightly different process to maintenance flushing membrane?

 

[P4dstar]

I may be wrong but  is flushing a new membrane a  slightly different process to maintenance flushing membrane?

Same physical process but you do it for longer.