I must have a temperature.

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I must have a temperature.

Postby Pjam » Mon Aug 17, 2015 16:57

I splashed out and bought a heat exchanger. Quite a big one ..... I don't know it's rating but 30 plates and 32cmm long it should do the job :) My first test gave my fantastic results.
And my local boiler spares shop sold me one at ebay Chinese prices!
Mains temp 20.5c Boiler temp 99c
Boiler tap open full gave gave me 22.3c
Boiler tap 3/4 open gave me 20.7c 8-)


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Re: I must have a temperature.

Postby mark1964 » Mon Aug 17, 2015 17:09

very nice same as ours

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Re: I must have a temperature.

Postby Pjam » Mon Aug 17, 2015 17:42

mark1964 wrote:very nice same as ours


I should have done this ages ago ..... It'll chill almost as fast as you can empty the boiler! amazing. I just need to make sure I filler, the 30 mesh is in the post :)

Mark do you waste about 1000 ml in the chiller? I was wondering about blowing that last bit through.
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Re: I must have a temperature.

Postby GrowlingDog » Mon Aug 17, 2015 17:51

I used to run my chiller stood on its end with hot wort going in the bottom and cold out the top, the when it was finished I would flip it the other way up to drain the rest out.
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Re: I must have a temperature.

Postby Pjam » Mon Aug 17, 2015 17:54

GrowlingDog wrote:I used to run my chiller stood on its end with hot wort going in the bottom and cold out the top, the when it was finished I would flip it the other way up to drain the rest out.


Of course! Excellent tip :thumb:
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Re: I must have a temperature.

Postby mark1964 » Mon Aug 17, 2015 18:26

we recirculate the wort back into the boiler till it hits pitching temp

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Re: I must have a temperature.

Postby Will12283 » Mon Aug 17, 2015 20:45

Pjam wrote:I splashed out and bought a heat exchanger. Quite a big one ..... I don't know it's rating but 30 plates and 32cmm long it should do the job :) My first test gave my fantastic results.
And my local boiler spares shop sold me one at ebay Chinese prices!
Mains temp 20.5c Boiler temp 99c
Boiler tap open full gave gave me 22.3c
Boiler tap 3/4 open gave me 20.7c 8-)


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I have never though of trying my local boiler repair shop. Might pop in and see what they have to offer

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Re: I must have a temperature.

Postby Pjam » Mon Aug 17, 2015 20:54

Will12283 wrote:I have never though of trying my local boiler repair shop. Might pop in and see what they have to offer


Things sold as plate chillers are expensive but heat exchangers for boilers are less so ..... they are in fact the same thing. If you get tempted by 2nd hand from ebay be careful, most will have deposits and the biggest problem is connectors, even a set of 'O' rings for a 2nd hand is about £15.

I paid £79 plus vat but that is for a nice big one. I've heard one half the size will do a reasonable job!
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Re: I must have a temperature.

Postby Will12283 » Mon Aug 17, 2015 20:57

Pjam wrote:
Will12283 wrote:I have never though of trying my local boiler repair shop. Might pop in and see what they have to offer


Things sold as plate chillers are expensive but heat exchangers for boilers are less so ..... they are in fact the same thing. If you get tempted by 2nd hand from ebay be careful, most will have deposits and the biggest problem is connectors, even a set of 'O' rings for a 2nd hand is about £15.

I paid £79 plus vat but that is for a nice big one. I've heard one half the size will do a reasonable job!

Cheers for that I think a smaller one would work, maybe just run back in to the boiler till it's cooled enough. Would need to think about getting a pump as well then though.

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Re: I must have a temperature.

Postby Pjam » Mon Aug 17, 2015 21:06

Will12283 wrote:[ Would need to think about getting a pump as well then though.


Ah yes, that's my next investment :) Again there are pitfalls, they're not all food safe and they don't all manage high temps. There's even a sneaky one on ebay that passes itself off as something it's not ..... or so a legit seller tells me.
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Re: I must have a temperature.

Postby BIGJIM72 » Mon Aug 17, 2015 23:07

Pjam wrote:I splashed out and bought a heat exchanger. Quite a big one ..... I don't know it's rating but 30 plates and 32cmm long it should do the job :) My first test gave my fantastic results.
And my local boiler spares shop sold me one at ebay Chinese prices!
Mains temp 20.5c Boiler temp 99c
Boiler tap open full gave gave me 22.3c
Boiler tap 3/4 open gave me 20.7c 8-)


Just out of curiosity-how much did they charge? Could be a way forwards for me.........

I have a medical condition- I am fool intolerant.

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Re: I must have a temperature.

Postby Goulders » Tue Aug 18, 2015 00:02

He said £79 in the 8th post above
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Re: I must have a temperature.

Postby AltonAnt » Tue Aug 18, 2015 14:28

Mine is about 1/4 of that size and still cools to just above mains temp.
They are so efficient.
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Re: I must have a temperature.

Postby Pjam » Tue Aug 18, 2015 14:39

AltonAnt wrote:They are so efficient.


That's right ... and a saving on water too.

Goulders wrote:He said £79


Those fittings cost a few quid, plus vat too. In all it was over a hundred.
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