tonkadawg August 2, 2008 Share August 2, 2008 1/2" bulk head requires 1 1/8" hole - right??? Link to comment Share on other sites More sharing options...
L8 2 RISE August 2, 2008 Share August 2, 2008 depends on the bulkhead you go with. Best bet is to look at the bulkhead online and find out from that. Link to comment Share on other sites More sharing options...
tonkadawg August 2, 2008 Author Share August 2, 2008 threaded or slip, should be the same - or at least I would think. Looking over at marinedepot.com, both are 1 1/8" but I just wanted someone to make me feel better about it. Link to comment Share on other sites More sharing options...
MLazar August 2, 2008 Share August 2, 2008 You are correct about the bulkhead and hole size. 1/2" bulkhead requires 1-1/8" diameter hole 3/4" bulkhead requires 1-7/16" to 1-1/2" diameter hole 1" bulkhead requires 1-3/4" diameter hole Jon Link to comment Share on other sites More sharing options...
Jon Lazar August 2, 2008 Share August 2, 2008 Yeah, what "she" said. You are correct about the bulkhead and hole size. 1/2" bulkhead requires 1-1/8" diameter hole 3/4" bulkhead requires 1-7/16" to 1-1/2" diameter hole 1" bulkhead requires 1-3/4" diameter hole Jon Link to comment Share on other sites More sharing options...
tonkadawg August 3, 2008 Author Share August 3, 2008 hahahaha cool thanks guys! Link to comment Share on other sites More sharing options...
dschflier August 3, 2008 Share August 3, 2008 That is trued for most standard bulkheads but for example Hayward fittings from what I recall need a slightly larger hole. Link to comment Share on other sites More sharing options...
tbittner August 3, 2008 Share August 3, 2008 Heavy duty bulkheads require a bigger hole. I HIGHLY recommend using heavy duty bulkheads. Link to comment Share on other sites More sharing options...
tonkadawg August 3, 2008 Author Share August 3, 2008 what's the difference between the standard and heavy duty? It sounds like I can start with 1 1/8" and dremel out if needed Link to comment Share on other sites More sharing options...
tbittner August 3, 2008 Share August 3, 2008 "Regular" bulkheads are made with "cheap" plastic and the heavy duty are Schedule 80. Much thicker pieces and much better threads. You won't strip the threads on a heavy duty bulkhead like you can on regular bulkheads. But then again, you shouldn't tighten them down with a wrench anyway. Hand tighten, and then 1/8th turn with a wrench if it dribbles a bit. Link to comment Share on other sites More sharing options...
Jon Lazar August 3, 2008 Share August 3, 2008 Where do you get your heavy duty bulkheads? Link to comment Share on other sites More sharing options...
tbittner August 3, 2008 Share August 3, 2008 (edited) If I need them today, I'll run up to Winchester to Solenbergers. I believe that BRK sells them too. Otherwise, I order from Savko. They sell pretty good gate valves too. They're a whole lot less expensive than Solenbergers. http://www.solenbergers.com/ http://www.savko.com/ Edited August 3, 2008 by tbittner Link to comment Share on other sites More sharing options...
tonkadawg August 3, 2008 Author Share August 3, 2008 thanks for the info - didn't realize that the HD were Sched. 80 - definitely the way to go. Link to comment Share on other sites More sharing options...
Larry Grenier August 3, 2008 Share August 3, 2008 On a related issue, if you're in this hobby you can't posibly be sane. Link to comment Share on other sites More sharing options...
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