3/4" Water Butt Blanking Plug & Seal

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Product Overview

The Harcostar 3/4" BSP Water Butt Blanking Plug & Seal has been designed to fit where the tap screws in to stop water from escaping.  

The 240 litre & 350 litre water butts come with two holes as standard which allows you to fit a tap in the lower hole or upper hole. The lower hole is mainly used for when you have a stand or the water butt is lifted off the ground. The upper hole is used mainly for when the water butt is placed on the floor.

If you decide you want to use the upper hole for the tap, you will require this blanking plug for the lower hole. If you are using the lower hole then it is not necessary to purchase the blanking plug as the upper hole is sealed from the inside. You may prefer the look of the barrel with the blanking plug and decide to fit this anyway.

This product is not for the 130 litre water butt, which comes as standard with a 1/2" blanking plug. 


Warranty 1 Year
Seal Suppliered Yes 1 x Washer
Material Plastic


Warranty Information

1 Year Warranty


(3 reviews) Write a Review

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  • 4
    Blanking plug

    Posted by Debbie on 3rd Nov 2021

    I searched for these useful items for a long time, looking for the right product. I recently had to re jig my water butt set up so had holes from the old connectors to blank off. They were exactly what I needed.

  • 5

    Posted by Marion Condon on 3rd Jul 2021

    It's black therefore the right colour as it's mounted on one of the black bands

  • 5

    Posted by John on 8th May 2021

    Did what I needed it to do. Good that it came with a washer.