jacko
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 posted on 20/4/09 at 08:39 PM |
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Thermostat fitting
When i fit my new thermostat is it worth drilling a small hole though the steel plate along side the thermo part ? if so how big 3mm -4mm ?
Its going in a 2l pinto
Thank's Jacko
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flak monkey
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| posted on 20/4/09 at 08:41 PM |
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Not one drilled in mine.
But if you feel the need then I would go for 2-3mm in the flange somewhere.
David
Sera
http://www.motosera.com
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mookaloid
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| posted on 20/4/09 at 08:58 PM |
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it'll be fine mate
Just put it in 
"That thing you're thinking - it wont be that."
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David Jenkins
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| posted on 20/4/09 at 09:08 PM |
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I put a 2mm hole in mine, mainly to cure an airlock problem on my x-flow - the air used to get trapped under the thermostat. In my case, it makes
filling the system much easier.
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britishtrident
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| posted on 20/4/09 at 09:32 PM |
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A couple of 2 to 3 mm holes works wonders
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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craig1410
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| posted on 20/4/09 at 10:28 PM |
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You only really need one hole as long as you put that hole at the top but I drilled 3 x 3mm holes equally spaced just to provide a small amount of
circulation irrespective of the thermostat condition. This will extend warmup but should help avoid airlocks and will give me more warning of a stuck
'stat.
Many stats come with a jiggle pin fitted as standard. This is designed to allow air to pass but block water flow which releases airlocks without
extending warmup time.
HTH,
Craig.
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