Ratings may include incentivized customer reviews.
What Customers Are Saying
The compression cap is generally an effective product for sealing off water lines, valves, and other plumbing fittings. Many users found it worked as expected to stop leaks and facilitate home renovation projects. The cap was often easy to install, requiring just a washer or Teflon tape to create a reliable seal. However, some users reported issues with the cap not fitting properly or leaking without additional components. Overall, the majority of reviews were positive, with customers finding the cap to be a practical solution for their plumbing needs.
Customer review summary generated by AI, including incentivized reviews.Great cap for 3/8” supply valves
Would RecommendGreat for leaky supply line that needs to be capped while construction completed
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserVerified Pro
Temporary cap while working
Would RecommendIt's a cap, it does what it is supposed to do, it caps things.
Great for capping unused hole.
Would RecommendPlugged whole with washer. Wouldn't plug the 3/8" hole on its own but worked well with 17/32 washer.
Perfect fit
Would RecommendExact fit and threads were a match. Stops water coming out of my laundry sink valves that we no longer use
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserVerified Pro Incentivized
Will need a small faucet washer or leaks water ...
Made well needs a small faucet washer inside .....
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized
Great compression cap
Would RecommendThis item worked great to cap a unused valve under a sink
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized
Easily seals a sink water valve.
Would RecommendWe are having a new dishwasher installed. We needed a cap to seal the valve until the dishwasher arrives.
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserVerified Pro Incentivized
Worked well for what I needed it for
Would RecommendWork well for what I needed it for. I was installing my dishwasher and ran into an issue and needed to block off a waterline.
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized
Worked exactly as described
Would RecommendWorked exactly as described. Solid fitting that will hold up for years
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized
worked perfect to temporarily cap a water line.
Would RecommendIt was the correct size cap for the water hose we were working on.
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserVerified Pro Incentivized
Metal connecting
Needed something to block a water valve that connected to the toilet, and
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized
It is worth the extra protection on a valve.
Would RecommendI really like the comfort and peace that comes with adding a extra cap.
From Brass 3_SLASH_8-in Compression Cap Fitting Verified PurchaserIncentivized