Bosch Tankless Hot Water Freeze-up

 
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Old 12-20-2008, 12:43 AM   #1
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Bosch Tankless Hot Water Freeze-up


I have a customer who has a Bosch 250sx tankless water heater which froze and is now leaking from the heat exchanger. Has anyone ever replaced one of these before? How much of a job is it? I think this unit is around $800 new, how much to repair one? My plumber is gas certified but isn't familiar with Bosch units so I'm trying to figure out what to do.

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Doug
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Old 12-20-2008, 12:46 AM   #2
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Re: Bosch Tankless Hot Water Freeze-up


Contact Bosch, they will tell you what is needed.

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Old 12-22-2008, 05:10 PM   #3
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Re: Bosch Tankless Hot Water Freeze-up


So much for freeze protection!! Bosch is IMO the worst unit on the market. The poorest design - technically and mechanically. You may be able to get it warrantied but it is a challenge to replace it. I have done 4 or 5 of the noritz and 2 of the TK's and they are a pain to do. I charge 500 plus parts. It is rather time consuming and alot to take apart. IMO the heater is not worth it. Why go through all the trouble to replace the worst tankless heater on the market. That's like replacing the motor in a 1980 Datsun with a new 3000 one....not worth it.
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Old 12-22-2008, 05:53 PM   #4
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Re: Bosch Tankless Hot Water Freeze-up


It's not worth repairing. (really)
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Old 12-23-2008, 01:45 AM   #5
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Re: Bosch Tankless Hot Water Freeze-up


Quote:
Originally Posted by PARA1 View Post
It's not worth repairing. (really)
Are you being sarcastic?

----> "really"<----
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Old 01-12-2009, 10:51 AM   #6
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Re: Bosch Tankless Hot Water Freeze-up


I have had to change one on a rinnia tankless because of the contractor turning the power off. To answer your guestion it was not to hard. Put if i was not sure about it i would hire a plumber.
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Old 01-15-2009, 12:35 AM   #7
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Re: Bosch Tankless Hot Water Freeze-up


This should be an easy one man job. Remember there is no huge water tank, just the little radiator that heats the water. Gas, water, and electrical connections are basicly the same as the old clunker tanks. Just the way the water is heated is much more efficient, and it takes up a lot less space.
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Old 01-15-2009, 12:39 AM   #8
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Re: Bosch Tankless Hot Water Freeze-up


I forgot to mention! Replacing it is easy, Repairing it may be a different story.

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