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PostPosted: Fri Aug 11, 2017 8:20 pm 
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I have a Joule direct cylinder which is supplied with a balancing control valve and an expansion vessel as part of the one-price purchase. The plumber installing it asked me to get a 500mm flexible hose to join them, then rushed off to another job.

So this would be 3/4"bsp Male to go into the balancing valve & 3/4" Female to connect to the vessel, which I can't seem to find.

Can anyone point me in the right direction? Presumably we can use 1/2" M-F with bushes/reducers, but what I find seems to be tap connectors, will these do?

Thanks in anticipation Razor!


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PostPosted: Fri Aug 11, 2017 8:37 pm 
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You have to be a little careful as most hoses don't have a big enough internal bore it should be at least 15mm. It also should have been supplied with the cylinder.

Having said that I usually bin the hose and hard pipe them in 22mm using a 3/4" male to 22mm female at the valve and a 3/4" tap connector at the vessel.

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PostPosted: Fri Aug 11, 2017 8:57 pm 
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Cheers, I suspected you would come through!

You were bullish about Joule, and the tanks (I have two at great expense) did come with a load of bits I didn't know we needed, but not this. The plumber has done a cracking job of routing the spaghetti of pipework in the roofspace culminating in a row of those pipe clips that clip together so that all down-the-wall pipework looks extremely neat.

He did say that if I couldn't get a flexi it could be done rigid, but he didn't have the correct joints in his van and said, as this was the last simple connection, I could spanner the flexi on myself to save him coming back (the systems will not be commisioned for several more weeks but the builder wants to board the ceilings).

Plumber doesn't know I can plumb, I can do the rigid myself but don't want to upset him, even if he did charge what I thought was a lot of dosh for 4 hours work (both cylinders), 400 notes, and turns out hasn't finished the job!


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PostPosted: Mon Aug 14, 2017 6:47 pm 
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Razor wrote:
and a 3/4" tap connector at the vessel.


Err, no - tap connector doesn't go inside the vessel union, had to take them back (just as well, £6.98 each at merchants, would have been £3.99 at S/Fix) and get female couplers (£2.49 each).

Thanks for your help anyway.


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PostPosted: Mon Aug 14, 2017 9:14 pm 
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Like Razor, I'd not advice a flexi connection. For better hard piped.

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PostPosted: Mon Aug 14, 2017 9:46 pm 
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Yes, now hard piped using MI-22comp at valve, 22mm copper, 22comp-FI at vessel. Demountable.



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