port replacement

[Mike4116]

My old 1980 ports on my OD 28 need replacing. I have an unusual boat in that the boat has four opening ports in the salon instead of one port light. It has the usual two small opening ports in the head/shower area. The four in the salon are larger than the two in the head. I have seen some photos of OD 28's with two in the salon forward of the port lights but never four in the salon. So, my question is: Does anyone know the exact replacement size for my boat? I'd like to order a couple (four) from this web site. Can't really tell the opening size by looking at the installed ports. Before I order anything I'd love to know WHAT to order. All help appreciated...

 

[Phil Herring]

On the page with the ports you'll find a chart that shows various measurements to determine the size. (see attached)

 

[Mike4116]

Phil:
I saw that chart on the Gray replacement port page and I am very interested in getting one of those ports. Frankly I don't know how to measure my ports and I am clueless as to what "spigot length" is. Also if you could send me a drawing of what the other measurements are taken from it will help. I understand the "cutout size" measurement but the other two I don't get at all. Any further guidance will be appreciated. Thx much...