I/G Threaded Winterizing Plug 1 - 1/2" (Black) - NW310



Part # NW310

  5 Average  



Part # NW310

Dimensions 2-1/8" X 1-3/16

Alternate Part #'s APC1022C, 25543-004-000, PTP

Product Description

After adding antifreeze to the lines, use these threaded plugs in all skimmer and return lines for winter protection. Our plugs fit 1-1/2" threaded pipes.

Click here for more Pool Winterizing


Note: Currently shipping black plugs and not white as shown in the photo. Everything else is the same with exception of color.


?     Asked on 8/23/2008 by Guest

Would I need this item for an above ground pool?

A  Answered on 8/23/2008 by InyoPools Product Specialist Patrick P.

Yes we would suggest this for an above ground pool, here is a great document which shows the step by step process of closing your pool along with the particular items you would require http://www.inyopools.com/winterizing_answers.aspx 


Est. Repair Time

Less than 1 hr

Tools Needed


1     0

Sealing salt chlorinator port on filter

Written on 10/14/2020 by Guest

I removed lines from my filter and used port plug to seal off my salt clorinator for winterization. Plug had o ring that made proper seal for winter preparation.

Were these instructions helpful? 


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