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Why Your Hot Water Turns Cold After A Few Minutes
One of the most common causes of pour hot water heater output is a failing dip tube. Now the good news is that you can change a dip tube out for about $10 worth of parts and hour’s worth of your time or you can call your local plumber.
A dip tube takes cold water to the bottom of your heater where it’s heated by the elements or burner in your water heater allowing the hot water to naturally rise up and go to your bathrooms or to your kitchen.
When the dip tube is broken or falls completely off, cold water comes in your water heater and mixes with the hot water and goes right out.
So a symptom of a bad dip tube is that within minutes of starting a shower or bath you’ll notice the water getting colder and colder.
Well, there’s still 40 – 50 gallons of hot water sitting at the bottom of your water heater’s tank, you just can’t access it.
Dip tubes have been a problem in the industry for years. In fact, not many years ago they had a recall on the dip tubes because so many of them were breaking and fracturing.
They’ve since corrected that problem but many old water heaters still suffer from dip tube failure.
Many times if you open the water heater the tube will just be laying down in the corner. When this happens many homeowners think their water heater is bad and they call a plumber.
The plumber sells them a new water heater when actually all they need is a new dip tube.
As we stated above the dip tube doesn’t take much time to change and the part is quite inexpensive. What it will do for you once it’s replaced is give you a full 50 -60 gallons of hot water to use.
There’s really not much to a dip tube, it’s a long plastic tube about 2 1/2 feet long. It’s hollow with a double-threaded end. There’s a small hole in the tube that is designed to prevent syphoning.
These tubes are subject to corrosion with calcium deposits and degeneration with time. A dip tube can fracture, break-off, split, crack or become corroded.
You’ll see a night and day difference whether you change it out yourself or for a small service call fee and an inexpensive part have a plumber install it for you.