7.4 Block: what is thread on block drains?
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7.4 Block: what is thread on block drains?
I HATE finding my two block drains every year and I would like to have the quick blue plastic hand plugs that I can easily find and open just like on the manifold.
1. Are these a thing?
2. What is the thread size on those brass plugs, 1/4"?
1. Are these a thing?
2. What is the thread size on those brass plugs, 1/4"?
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