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Today, 06:47 PM | #1 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 22,723
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The cold water braided stainless flexible hose on our kitchen mixer taps decided to fail Tuesday night just before I retired for the night so I have been forced to contort myself under the kitchen sink clearing up the flood waters and replacing both the hoses. The failed hose was only just (10 days) over 6 years old (the warranty period) and failed in what I thought was an odd way with the threads where it screws in to the brass block fitting at the base of tap head corroding so the hose was blown out of the brass fitting. Picture attached showing the crusty "green snot" on the threads as Eric O from South Main Auto would call it. I was aware that the braided hoses on mixers taps had a limited life and needed to be checked regularly but I was expecting that a failure would more likely be a split hose and start as a detectable pin hole leak.
Obviously while the cold water hose was the one that failed the hot water one wasn't going to be far behind. It was lucky I went to get a glass of water before bed and heard the noise of the leak above that of the adjacent dishwasher so the flooding damage was minimised and mostly contained to the one shelf immediately under the sink. I guess the solenoids on the dishwasher, that is fed from the same cold water pipe under the sink, switching on and off was enough pressure variation to find the weak point. The threads in the brass tap fitting head seem Ok and the new stainless hoses with a 15 year warranty (these https://www.bunnings.com.au/kinetic-...-hose_p0422491) have thread that are several mm longer so hopefully it is fixed for now. Nonetheless, I have also ordered a replacement mixer tap that I will install at my leisure in the warmer weather. It's an earlier model of this tap I think that cost me a lot more at the time (well all of $199.99) https://www.ebay.com.au/itm/12473262...Bk9SR8T80Y-ZZA I wonder if using Loxeal sealant (https://www.bunnings.com.au/loxeal-5...esive_p4920450) on the threads originally was a good or bad thing? In any event, I left the new ones naked. So the questions to the plumbing experts on the forum are: a) is this a common failure point? b) Other than replacing them sooner could I have done anything to prevent this and prevent it happening again?
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regards Blue Last edited by aussiblue; Today at 06:58 PM. |
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Today, 08:15 PM | #2 | ||
DIY Tragic
Join Date: Apr 2018
Location: Sydney, more than not. I hate it.
Posts: 21,521
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Dry threads, smear of food grade o-ring grease on the rubber, no anaerobic sealants.
It looks like a marine type failure; de-zincified brass. I’d wonder if a steel fastener in contact nearby was getting wet. Could also be low quality hoses. |
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Today, 08:45 PM | #3 | ||
Experienced Member
Join Date: Sep 2006
Location: Australasia
Posts: 7,479
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Touch wood never had an issue with mine in the house & caravan, over 12 years for the van and about 15 years for the house.
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Today, 09:08 PM | #4 | |||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 22,723
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Quote:
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regards Blue Last edited by aussiblue; Today at 09:16 PM. |
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Today, 09:11 PM | #5 | ||
Donating Member
Join Date: Mar 2007
Location: Heading thru Hell (Corner)
Posts: 8,108
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Work colleague had a leak on the first floor bathroom of her holiday house. Sadly, it wasn't holiday time, so the leak wasn't found until substantial damage was done (collapsed first floor roof plaster, flooring, walls etc). She never said how much it cost but the project to carry out repairs took around 18 months. I'm guessing the cost was in the 100s of 1000s.
Root cause? A flexible water hose feeding the sink in the ensuite had failed. The insurance company had the opinion that all flexible water hoses should be changed out at a maximum period of 10 years.
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