Holding tank pump out adapter

[agallant80]

I can't really figire out what size I need for my pump out adapter. It looks like it is 1 7/8 or 1 3/4 What is the more common size?

 

[agallant80]

Re: Holding tank pump out adapter

anyone please?

 

[wbrants]

Re: Holding tank pump out adapter

It could also be 2". If your marina has a pump out station, which it should, they will have several. Then make note of which one they use and buy on ebay. The aluminum models are best.