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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: AuRavelling79 on April 21, 2016, 07:05:47 am

Title: John guest fittings imperial and metric
Post by: AuRavelling79 on April 21, 2016, 07:05:47 am

If I have 3/8" tubing and fittings and want to extend tubing, use elbows etc.,  can I use john guest 10mm - is it the same as john guest 3/8"?

Title: Re: John guest fittings imperial and metric
Post by: Oliver @ GrippaTank on April 21, 2016, 07:25:42 am

Quote from: Granville Gold on April 21, 2016, 07:05:47 am

If I have 3/8" tubing and fittings and want to extend tubing, use elbows etc.,  can I use john guest 10mm - is it the same as john guest 3/8"?

Good morning,

Unfortunately this is not possible - whilst the tube may fit, under pressure they will weep.

We have 3/8" fittings in stock if you require any.

Title: Re: John guest fittings imperial and metric
Post by: AuRavelling79 on April 21, 2016, 07:27:35 am

Thanks!

Title: Re: John guest fittings imperial and metric
Post by: Perfect Windows on April 21, 2016, 08:42:43 am

Quote from: Granville Gold on April 21, 2016, 07:05:47 am

If I have 3/8" tubing and fittings and want to extend tubing, use elbows etc.,  can I use john guest 10mm - is it the same as john guest 3/8"?

No, but you can find adapters to swap.  I've managed to get our setup tot he point where all fittings are metric.

Vin

Title: Re: John guest fittings imperial and metric
Post by: AuRavelling79 on April 21, 2016, 09:38:08 am

Hi vin - where can you get them, please?

Title: Re: John guest fittings imperial and metric
Post by: Perfect Windows on April 21, 2016, 10:18:04 am

Quote from: Granville Gold on April 21, 2016, 09:38:08 am

Hi vin - where can you get them, please?

I knew you were going to ask that.  Caller please hold...

Title: Re: John guest fittings imperial and metric
Post by: AuRavelling79 on April 21, 2016, 10:27:57 am

Quote from: Perfect Windows on April 21, 2016, 10:18:04 am

Quote from: Granville Gold on April 21, 2016, 09:38:08 am

Hi vin - where can you get them, please?

I knew you were going to ask that.  Caller please hold...

You ought to change your "hold" music from Greensleeves ...  ;D

Title: Re: John guest fittings imperial and metric
Post by: Perfect Windows on April 21, 2016, 10:35:11 am

Poor advice from me.  There is a 1/2" to 15mm adapter

http://www.abbeychart.co.uk/john-guest-15mm-pushfit-x-1-2-pushfit-straight-connector

But not 3/8" to 10mm

They do hundreds of fittings on there so you could doubtless bodge 3/8 to 15mm then buy 15mm to 10mm

http://www.screwfix.com/p/jg-speedfit-pem061510wp-straight-reducer-15-x-10mm/89950


My preferred solution is to fit every single pipe in 15mm JG.  It's readily available and cheap.  So, instead of 1/2" bsp to 1/2" JG pipe out of the RO, we use a 1/2" bsp to 15mm fitting (from Screwfix).   It means a bit of thought and a little more cost but it all becomes much more maintainable.  The final spot where we still have to go 1/2" is for the inline TDS meters (so two of the converters above and three inches of 1/2" pipe) but I think we have that fixed and every single item can be 15mm.   We also carry spares of every single connector - much easier if all 15mm.

Give me a shout if you want to talk it over.  Best to email and I'll call you or you'll get the answering service.

Vin

Title: Re: John guest fittings imperial and metric
Post by: AuRavelling79 on April 21, 2016, 10:40:23 am

That's great Vin ... thanks again.