Can I use an LPG fitting to plumb in my diesel heater?

PaulRainbow said:
It's unlikely that you'll have imperial fuel lines on a 70's boat. Do you have imperial nuts and bolts ? No !

In the unlikely event that you do have 5/16" pipework the difference between that an metric 8mm is about two thousandths of an inch. The two interchange.
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I would suggest that it's Very Likely to find imperial pipe and bolts on a 1970 boat!
 
scottie said:
I would suggest that it's Very Likely to find imperial pipe and bolts on a 1970 boat!
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I would tend to agree! Kelpie dates from June 1970.
As a slight digression, I need to replace some nuts securing the hatch on the water tank (I may have, erm, put the originals in a slightly too safe place and can't find them now). They're close to 9mm stud diameter, but are definitely not M10...
 
Kelpie said:
I would tend to agree! Kelpie dates from June 1970.
As a slight digression, I need to replace some nuts securing the hatch on the water tank (I may have, erm, put the originals in a slightly too safe place and can't find them now). They're close to 9mm stud diameter, but are definitely not M10...
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Sound like 3/8"
 
Kelpie said:
Thanks. Are there different thread standards as well? UNC, UNF, it's all gibberish to me...
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But it is more than likely to be 3/8" Whitworth

UNC and UNF were used extensively in the motor industry but generally British Industry used Whitworth and BSF before all this metric stuff

although different thread angles many UNC threads have the same pitch as Whitworth and are therefore just about interchangeable. Not all sizes though

3/8" W and 3/8" UNC as it happens are both 16tpi
 
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