08-07-16, 10:31 PM
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Member
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Join Date: Jul 2008
Location: Sydney, Australia
Posts: 417
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Peterg
I assume you are referring to the 400 - 403 radiator cap ???
Best to state what Type Bristol you are enquiring about .
If it is the 400 - 403 cap I have found the best way is to buy a small sheet of the correct thickness rubber/neoprene and cut one out with a sharp knife .
Some owners have purchased large rubber seals from Plumbing suppliers that are used in toilet cisterns but they need trimming and might not be suitable for hot water.
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