American Granby HWP208 blue 1-1/2 inch winter pipe freeze plug with nylon wingnutAmerican Granby 1-1/2" #8 Blue Winter Pipe Freeze Plug with Nylon Wingnut, HWP208 In stock$799
American Granby HWP208 blue 1-1/2 inch winter pipe freeze plug with nylon wingnut

American Granby 1-1/2" #8 Blue Winter Pipe Freeze Plug with Nylon Wingnut, HWP208

Ask a questionMPN HWP208
$799
In stock

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Quick overview

  • American Granby HWP208 The #8 size in the blue winter plug range.
  • For 1-1/2 inch pipe The plug body measures 1.54 inches in diameter.
  • Nylon wingnut Plastic rather than metal, so there is nothing to rust into place over the winter.
  • Expansion seal Turning the wingnut compresses the rubber so it swells outward and grips the pipe wall.
  • Blue for sizing The blue wingnut marks the size at a glance when a bag of mixed plugs comes out at closing.
  • Closing season part Goes into returns and open lines so water cannot sit and freeze in the plumbing.
Full description and specifications ↓

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Product details

The American Granby HWP208 is the #8 blue winter plug, sized for 1-1/2 inch pipe. It goes into open lines when the pool is closed so water cannot stand in the plumbing and freeze.

How the seal is made

A rubber sleeve sits between two plates on a bolt. Turning the wingnut pulls the plates together, the rubber has nowhere to go but sideways, and it presses against the pipe wall until the plug locks in place.

The blue wingnut

The wingnut is nylon rather than metal, so it cannot rust onto the bolt over a wet winter and refuse to turn in the spring. The blue color makes the size easy to pick out of a bucket of mixed plugs at closing.

Fitting

Tighten until the rubber has clearly expanded and the plug will not pull out by hand, then stop. The grip comes from the rubber, not from how hard the wingnut is cranked.

Specifications
Brand American Granby
Manufacturer part number HWP208
Type Expansion winter plug with wingnut
Size 1-1/2"
Diameter 1.54 inch
For use with 1-1/2 inch pipe
Wingnut Plastic, blue
Color Blue
Shipping weight 0.2 lb
Ships Parcel

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Customer reviews

Questions and answers

What people ask about this product, answered by our pool techs.

What size line does the #8 plug fit?
1-1/2 inch pipe. The body is listed at 1.54 inches in diameter.
Why a nylon wingnut instead of metal?
A plastic wingnut cannot corrode onto the bolt while the plug sits in a wet line all winter, so it still turns when you open the pool.
How does it hold?
It is an expansion plug. Tightening the wingnut squeezes the rubber sleeve, which pushes out against the inside of the pipe and seals it.
How tight does it need to be?
Firm enough that the rubber has visibly expanded and the plug will not pull free by hand. Going much past that only strains the plug and the fitting.
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