Looking for learned opinion on the practice of screwing seacocks with female NPT fitting to mushroom thru-hull's that have a male NPS thread pattern.
Every instinct I have tells me that it is wrong and frankly dangerous below the waterline however my 2007 H44AC has that on all of it's thru-hulls and I've noticed it on other boats as well. I can't find online any seacocks that have NPS thread patterns so I am pretty sure my observations are accurate.
I know you can avoid the issue by using something like a tri-flange seacock but the installation time is probably triple that of the practice I noted above and therefore you get what you pay for from a factory production boat.
Every instinct I have tells me that it is wrong and frankly dangerous below the waterline however my 2007 H44AC has that on all of it's thru-hulls and I've noticed it on other boats as well. I can't find online any seacocks that have NPS thread patterns so I am pretty sure my observations are accurate.
I know you can avoid the issue by using something like a tri-flange seacock but the installation time is probably triple that of the practice I noted above and therefore you get what you pay for from a factory production boat.