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Hole size for gas locker ventilation


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Hi, our gas locker is not in use yet as it needs ventilation drilled through the hull.

Can anyone advise what size of holes are adequate for ventilating a gas locker? Is it a set size or is it worked out based on area etc? 

thank you.


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IIRC the BSS specifies the size according to the size and quantity of bottles to be stored in the locker, and remember its a "Drain" (gas is heavier than air) and if you drill as close to the bottom plate of the locker as you can, you may also need to use a file or die grinder to widen the bottom to create a half moon shape and get the bottom of the drain hole flush (as far as possible) with the bottom of the locker.



(beaten to it by MtB)

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