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Put in to the system worked for the first day by holding pressure on the second day of using the central heating pressure dropped off again and never regained so I cannot really recommend this product
Verified purchase: Yes | Condition: New
Tried this after a very honest boiler repair man advised us to try it as our boiler was losing pressure slowly over a week or so. Added the sealer to the system via a towel rail radiator as per instructions, and our boiler has since held pressure firmly over the last 2 weeks. Well worth a try if you’re having similar issues, very impressed with the product!
Verified purchase: Yes | Condition: New
Great product. Does what it says. My boiler was losing pressure and now, after more than 2' months, everything looks good. If you have a bigger system is better to use 2 bottles, like I did.
Verified purchase: Yes | Condition: New
Well it took a couple of days to work - however - its working now and has saved a lot of hassle and money as well, would recommend without any doubt.
Verified purchase: Yes | Condition: New
Easy to use, and doe''s what it say's
Verified purchase: Yes | Condition: New
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