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Unread 5th December 2013   #1
harrym1byt
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Gas leakage quick test

I got slaughtered on another forum for even suggesting this, by a certain gas qualified engineer, but I will repeat it here...

As you turn the gas on at the bottle, you will hear an hiss of gas, as your system pressurises. If you turn it back off and leave it for some hours, you should find, if no gas pressure has been lost, that it doesn't hiss a second time. If it does, you have a slight leak or you have an appliance turned on, or one has been turned on during the intervening time.

I use it has a confidence test, between the proper gas drop tests.

I am NOT SUGGESTING IT as a replacement for a gas test and and inspection, but as a between times test which can be done when it is quiet.
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Unread 5th December 2013   #2
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Yep! That's one way of telling if you have a leak!
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Unread 5th December 2013   #3
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Fine by me it is a quick method to try and identify pressure drop .
Frankly the more people that make an effort to check by various means the better it will be for many.

In my opinion far too many people don't appreciate the seriousness of gas.
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Unread 6th December 2013   #4
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We have a gas heater at home and every time we turn it on there is a hiss.
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Unread 6th December 2013   #5
fishman
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Not a prob really, But a far better method every year or so. Drop of fairy liquid in water mix up, Apply to all the joints ( with gas turned on) with a little paint brush, Work from bottle all the way to end so you don't miss any joints, A leak will blow bubbles and can be seen easy, After testing wipe soapy solution off with fresh water.
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Unread 6th December 2013   #6
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Quote:
Originally Posted by fishman View Post
Not a prob really, But a far better method every year or so. Drop of fairy liquid in water mix up, Apply to all the joints ( with gas turned on) with a little paint brush, Work from bottle all the way to end so you don't miss any joints, A leak will blow bubbles and can be seen easy, After testing wipe soapy solution off with fresh water.
That will work for the accessible joints, but you might have a leak at or in an appliance.
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Unread 4th March 2014   #7
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we check are external fittings (well hubby does) with a spray leak detection fluid simple and quick, perhaps I should get him to check the full appliance ?
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Unread 6th April 2014   #8
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Quote:
Originally Posted by missbusybusy View Post
we check are external fittings (well hubby does) with a spray leak detection fluid simple and quick, perhaps I should get him to check the full appliance ?
External joint leak are a concern, but internal leaks are even more of a concern. Outside the gas from a minor will be safely vented to outside air. If inside it is possible for the gas to accumulate in a confined area and the inside is where you will often have flames to ignite the gas. Which explains why keeping the gas drop holes clear of obstructions is so important.
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Unread 6th April 2014   #9
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I have a Gaslow gauge between my two cylinders and it has a built in tester. If you turn on the gas and the gauge goes to green and then turn off it should stay green for some hours. If it starts to go red within 10 minutes of turning the gas off it is an indication of you having a problem.

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Unread 7th April 2014   #10
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Still think that lighting a match is the best way to determine if you have a leak. No bang, no leak. Bang and angel wings you have a leak.
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