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Oatey 30115 Hercules Boiler Liquid Stop Leak 1-quart

About this product

Product Identifiers

BrandOatey
MPN30115
eBay Product ID (ePID)9014956590

Product Key Features

Power SourceSteam
Year Manufactured2024
Energy Star1 Star
ColorWhite
Heating SystemBoiler
Number of Fan Motors1
Number of Heat Settings1
Number of Zones1
MaterialPlastic
TypeCentral Furnace
Model30115
Mounting LocationOutdoor
Operating Sound RatingStandard

Dimensions

Item Height9.00
Item Weight1 pounds

Ratings and reviews

4.7
22 product ratings
  • 19 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 3 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Most favourable review

    Good stop leak

    My furnance had leaked foe about 3 or 4 years and getting worst. I bought one qt. of stop leak and put it in one evening and it was not a drop of water to be seen the next night. It had stoped the leak in one day. I bought another bottle just in case i needed one for something else. It is great stuff. Thanks PS. I told my son to get him some, because his furnance leaks also.

    Verified purchase: YesCondition: New

  • Most critical review

    If you don't see a leak, check your expansion tank.

    Make certain that your problem is a leak in the plumbing. I saw no evidence of a leak in exposed plumbing so I assumed the problem was in the plumbing under our concrete basement floor. I had been losing about 2 pounds of water pressure per day in my baseboard boiler system. In contacting Hercules, it was recommended that I use 2 quarts for the size of my baseboard boiler system. I ran the system for nearly a month after adding the solution. The leak slowed down to losing 1 pound per day. I added 2 more quarts and after three more weeks, the leak is back to 2 pounds per day. I later noticed that the bottom of our expansion tank was hot. In checking out the tank I found that its diaphragm bladder was leaking with water going in and out of the air chamber portion. I changed the expansion tank and my pressure problem was fixed.

    Verified purchase: YesCondition: New

  • The magic bullit that I needed

    I had a crack in the middle section of a cast iron boiler that was leaking a sizable puddle on the floor every day. I opened the system, dumped this stuff in, topped off and bled the system. Within a few minutes after restarting the leak was history..............That was easy!

    Verified purchase: YesCondition: New

  • Stopped my Boiler leak

    My old 5 section boiler has been weeping for a while. Started to weep more maybe 1 cup water in 24 hours. never did stop. I put in 1 quart of Oatley 30115 boiler liquid yesterday afternoon -leak stopped sometime last night. leak catch cup had no water in it this morning.- good stuff!!! It has been a while now and no leak. very pleased.

    Verified purchase: YesCondition: New

  • Used on out door wood boiler

    I used as directed worked wonderful was loosing 10 gallons a day thought what the heck give it a try Next day added 2 gallons leak was gone it's been 1 week not a drop great product I recommend Used a second time on different system one again success good stuff

    Verified purchase: YesCondition: New

  • Don't expect it to last forever, but if it gets me thru this winter I'll be able to economically replace in summer.

    Can,t be force pumped, must be poured thru a boiler port, My leak took about 24hrs to take up, actually got worse. but it shut it down. Been a week, holding tight.

    Verified purchase: YesCondition: New

  • No leaks

    Fixed my boiler a good fix it's been a Whole heating season so far so good

    Verified purchase: YesCondition: New

  • Great price and product!

    This stuff worked great. Wood boiler was leaking and welded it but still leaked so I put 7 bottles in and sealed the leak!

    Verified purchase: YesCondition: New

  • Stopped Boiler Leak

    We had a leak in our outdoor wood boiler system which we could not find. This stopped the leak! Great!

    Verified purchase: YesCondition: New

  • works dependably

    been using this product for years

    Verified purchase: YesCondition: New

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