Hayward reverse thread bulkhead

[djkms]

Hello,

Looking to get bulkheads for my next build, 600 gallon. Need 2" and 1" bulkheads and from my research here I like the idea of reverse thread bulkheads which appear to be from Hayward. My tank manufacturer stated I need to go with Schedule 80 bulkheads and he needs to know what size holes to cut. I would like to go with thread/thread. 1" returns on the bottom of the tank for closed loop and 2" drains on the side wall.

Are these the correct ones?
https://www.usplastic.com/catalog/item.aspx?itemid=81673&catid=477

https://www.usplastic.com/catalog/item.aspx?itemid=81676&catid=477

Thanks!

 

[All_talk]

Just curious, what's giving you the warm & fuzzy about the lefthand threads?

 

[djkms]

Just curious, what's giving you the warm & fuzzy about the lefthand threads?

I like the fact that if I have to change some plumbing along the line that a bulkhead is on that loosening threads to change a piece of plumbing will not loosen the bulkhead but will actually tighten it. I don't plan on having to change things but if I do I really don't want to loosen a bulkhead. Never plumbed a closed loop but I want to try to get it right the first time since I will have 4 holes on the bottom of 600 gallons.

 

[All_talk]

I guess that's true, depending on weather you are unthreading from the inside or the out side. But I totally hear you about holes in the bottom of the tank. With the current through-the-back (or sides) overflow options, I would opt for no holes in the bottom.

Closed loop is a little old skool, what's the advantage for your setup?

 

[djkms]

This is a 96x48x30 open top tank. It will be a peninsula. I dont want powerheads or gyre's stuck on the glass on the 2 long sides or the 1 short side. I will have 2 MP60's on the back wall but 8ftx4ft is a lot of ground to cover for them. I understand closed loops are old school but not sure of any other choice without wires and powerheads visible everywhere.

 

[bblumberg]

I'd compare prices on other plumbing suppliers such as Grainger, supplyhouse or PVCpipesupplies. They look to be MUCH cheaper than US plastics. Also check the shipping cost of each...