with this diesel heater thru hull fitting, how big does the hole need to be drilled for the exhaust?

Question

with this diesel heater thru hull fitting, how big does the hole need to be drilled for the exhaust?

This question is related to Exhaust Hull Skin Fitting Kit 24mm.

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Answers (1)

Answered by Butler Technik's David Butler
Posted 9th February, 2026 at 15:52 by David Butler

ideally a hole diameter of 38-40mm is suitable for mounting this hull fitting

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