Question about Bosch ProTankless GWH C 800 ES LP Tankless Water Heater, Propane
ERROR CODE E4
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: I have a Bosch GWH
A lot of factors, internal and external, can cause this problem ranging from bad PC board to plumbing problem.
Since you have no error code, it could be plumbing,
Open following link for useful Bosch troubleshooting information including Bosch support and typical manual for 2700 gas tankless:
For folks with Rheem tankless:
Add a comment with your experience so others with same-similar problem can benefit.
Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
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Posted on Mar 26, 2011
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