Cooling hoses

Perforated & bubble cap plated columns

Cooling hoses

Postby Jimmy. » Mon Jan 21, 2019 10:13 am

Has anyone used the gastite or kenetic fittings from bunnings from the RC and PC?

https://www.bunnings.com.au/our-range/b ... connectors
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Re: Cooling hoses

Postby bluc » Mon Jan 21, 2019 10:38 am

Yep I do but going to ditch them. The work fine with a powerful pump 700w ozito submersible as an example apparently, but with a smaller pump and smaller rc I struggle to get full reflux.. :handgestures-thumbupleft:
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Re: Cooling hoses

Postby Jimmy. » Mon Jan 21, 2019 12:07 pm

Is that due to restrictions in the internal diameter?
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Re: Cooling hoses

Postby bluc » Mon Jan 21, 2019 12:44 pm

Yea they only 8mm bore
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Re: Cooling hoses

Postby Jimmy. » Mon Jan 21, 2019 12:56 pm

Arh damn, thank you :)
I will just reuse some of my silicon hoses then which I bought and never used for my old car! least I know its good for the temp and will flow the volume needed (those lines just look so much nicer!)
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Re: Cooling hoses

Postby scythe » Mon Jan 21, 2019 1:02 pm

There is also a "premium" range of braided hoses at bunnings as well, but even that is only a 10mm bore.

I noticed a "stop kink" hose for your tap over in the lawn care / hose isle of bunnings.
Its a short length of garden hose enclosed within a long compression spring, has fittings that screw on to your tap and connect to your hose.
Could either try that on your cooling lines or make something similar.
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Re: Cooling hoses

Postby Matt_Pl » Mon Jan 21, 2019 1:30 pm

I use the 19mm irrigation hoses and a 350w submersible pump. You can get the 19 mm barbed to thread elbow. Works a treat.
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Re: Cooling hoses

Postby bluc » Mon Jan 21, 2019 1:51 pm

Just searching on the web the 3/4" ones have 12mm bore. May do the trick just put a reducing nipple on.. :handgestures-thumbupleft: I might do the same..
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Re: Cooling hoses

Postby The Stig » Mon Jan 21, 2019 2:56 pm

Jimmy. wrote:Is that due to restrictions in the internal diameter?

Thats why I got rid of mine after db1979 explained it all to me now I can hold full reflux all day long with better hoses
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Re: Cooling hoses

Postby bluc » Mon Jan 21, 2019 5:16 pm

That's the hose I was thinking of. Those connectors look awesome what are they? Are they a fast dissconects of some kind?
Or maybe garden hose brass fittings?
Last edited by bluc on Mon Jan 21, 2019 5:18 pm, edited 1 time in total.
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Re: Cooling hoses

Postby The Stig » Mon Jan 21, 2019 5:39 pm

Brass garden hose fittings I chose these ones because of the twin o-ring for security.
I found the plastics ones go brittle after a while and just fell apart.
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Last edited by The Stig on Mon Jan 21, 2019 5:42 pm, edited 1 time in total.
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Re: Cooling hoses

Postby Rolls912 » Mon Jan 21, 2019 10:13 pm

The twin ring ones look like they have better security however I noticed the fitting when clicked in wobbled more than the Pope version :-B
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Re: Cooling hoses

Postby hillzabilly » Mon Jan 21, 2019 10:38 pm

The Stig wrote:Brass garden hose fittings I chose these ones because of the twin o-ring for security.
I found the plastics ones go brittle after a while and just fell apart.

:text-+1: All I use and have been great,swaps too the mains tap easy as for emergency runs when your recirc system may fail mid run and a quick solution is needed,with quality hose not the cheap shit.cheers hillzabilly :handgestures-thumbupleft:
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Re: Cooling hoses

Postby coffe addict » Tue Jan 22, 2019 8:08 am

:text-+1: on brass fittings and a decent hose. Haven't had any issues and I use just a 65w solar recirculating pump which is more than adequate.
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Re: Cooling hoses

Postby Jimmy. » Tue Jan 22, 2019 8:51 am

Brass fittings look the goods.

How much flow are people using? I see alot of people do the 700W ozito pump which is alot of flow
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Re: Cooling hoses

Postby The Stig » Tue Jan 22, 2019 9:02 am

https://www.bunnings.com.au/ozito-750w- ... p_p4816360
Been doing me well for a number of years
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Re: Cooling hoses

Postby Chocko6969 » Tue Jan 22, 2019 3:08 pm

The Stig wrote:
Jimmy. wrote:Is that due to restrictions in the internal diameter?

Thats why I got rid of mine after db1979 explained it all to me now I can hold full reflux all day long with better hoses


Love this set up, can you tell me what the Y fittings are there, my eyes are failing a bit! Also do you run 2 pumps or the 750W submersible deals with both condensers when in reflux?
I'm assuming this is all standard 12/13mm garden hose size?

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Re: Cooling hoses

Postby The Stig » Tue Jan 22, 2019 3:34 pm

Chocko6969 wrote: can you tell me what the Y fittings are there

One pump split into the 2 condensers with a tap on the RC to control flow.
2 condensers out and back into one hose back to pool
Chocko6969 wrote:I'm assuming this is all standard 12/13mm garden hose size?

I went with the caravan drinking water hose from Bunnings with an internal diam of 12mm
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Re: Cooling hoses

Postby coffe addict » Tue Jan 22, 2019 5:17 pm

Mine is set up like stig except I use this pump
https://www.ebay.com.au/itm/3-Speed-Sol ... 2639334326
The pump puts out 90% of the flow as my garden tap and easily holds full reflux. These pumps don't like restrictions in the plumbing but handle the 12mm over 15m of garden hose.
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Re: Cooling hoses

Postby Chocko6969 » Tue Jan 22, 2019 7:20 pm

The Stig wrote:
Chocko6969 wrote: can you tell me what the Y fittings are there

One pump split into the 2 condensers with a tap on the RC to control flow.
2 condensers out and back into one hose back to pool


Sorry mate I should have said the fittings themselves, I understand the flows just couldn't see what the fittings were exactly, I'm not sure where to start looking for these type?

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