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LWC

  • Posts: 6824
Have YOU smashed a glass with hot?
« on: November 11, 2014, 06:47:40 pm »
I was always worried about smashing glass with hot with some of horror stories ive heard, but ive been using hot now properly for about a year. I have it hot hot and havent had any issues...i am selective with where i have it hot mind, wouldnt use it on old single framed windows but most people have double glazing anyway.

Any experiences?
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neiljoust

  • Posts: 534
Re: Have YOU smashed a glass with hot?
« Reply #1 on: November 11, 2014, 07:16:55 pm »
used hot for 3 years , i just turn it right down in winter cold never smashed one oppsssss done it now
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LWC

  • Posts: 6824
Re: Have YOU smashed a glass with hot?
« Reply #2 on: November 11, 2014, 07:25:47 pm »
Quote from: neiljoust on November 11, 2014, 07:16:55 pm
used hot for 3 years , i just turn it right down in winter cold never smashed one oppsssss done it now

 ;D ;D ;D
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Jonny 87

  • Posts: 3502
Re: Have YOU smashed a glass with hot?
« Reply #3 on: November 11, 2014, 07:26:41 pm »
Yip I've cracked a pane.

Double glazed unit and was using water way too hot. It was sub zero temps and I had it up to max to fill up my bucket with hot water and forgot to turn it down for WFP. Crack just shot across the small pane.
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Vision Technician / Visual Engineer /  Vision Enhancement Operative /...........................................................OnlyUseMeWFP AkA Jonny the Windy Wesher

ChumBucket

Re: Have YOU smashed a glass with hot?
« Reply #4 on: November 11, 2014, 07:30:48 pm »
I would have thought a double glazed unit was more susceptible to thermal shock than a single glazed pane? Heat from inside the house will warm single pane but not the outer pane of a double glazed unit. In winter, double glazing always freezes more than single pane in my experience.
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NWH

  • Posts: 16952
Re: Have YOU smashed a glass with hot?
« Reply #5 on: November 11, 2014, 07:34:41 pm »
Georgian- leads or any frames where the glass can't flex has a risk of cracking but it does give you a slight warning if you listen lol,I've known glass to shatter in summer from the stress it's had put on it from hot WFP in winter. Boffin  I once spoke to told me that cleaning in winter with really hot water will stress the glass over time although not to the naked eye even in summer months,I've known a few hot water WC,s said customer told them they had a window just go pop on them ie completely shatter for  no reason.
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Dave Willis

Re: Have YOU smashed a glass with hot?
« Reply #6 on: November 11, 2014, 07:45:29 pm »
Yep, I had one go in low temps with water around 30. Went with a bang and cost me £103
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Deangsi

  • Posts: 663
Re: Have YOU smashed a glass with hot?
« Reply #7 on: November 11, 2014, 08:03:40 pm »
We have never broke glass with it either dad has the same boiler as you matt and like you said old sash windows are a no and some old consirvitorys other than that seems great. Gets the muck of first cleans a treat to :) I want one for my van now :)
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Plankton

  • Posts: 2441
Re: Have YOU smashed a glass with hot?
« Reply #8 on: November 11, 2014, 08:08:47 pm »
Quote from: Dave Willis on November 11, 2014, 07:45:29 pm
Yep, I had one go in low temps with water around 30. Went with a bang and cost me £103
On that thought anyone got a disclaimer handy.
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SeanK

Re: Have YOU smashed a glass with hot?
« Reply #9 on: November 11, 2014, 08:23:46 pm »
Quote from: Deangsi on November 11, 2014, 08:03:40 pm
We have never broke glass with it either dad has the same boiler as you matt and like you said old sash windows are a no and some old consirvitorys other than that seems great. Gets the muck of first cleans a treat to :) I want one for my van now :)

Well if your a good boy for the rest of the year you might find one under your Christmas tree.  ;D
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Deangsi

  • Posts: 663
Re: Have YOU smashed a glass with hot?
« Reply #10 on: November 11, 2014, 08:55:36 pm »
Haha yea if i do it will be me who's bought it  i had a peloma heater for a year but it packed in. Was great wile i had it Il see how this month goes then probley get one next month as a personal prezzie
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Lee GLS

  • Posts: 3844
Re: Have YOU smashed a glass with hot?
« Reply #11 on: November 11, 2014, 10:09:16 pm »
I've had two go neither of them were in the winter. Bother were older wooden double glazing and the water wasn't particularly hot either, they boat must have had a weakness in the glass
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