Question about Bosch 1600H-NG Natural Gas AquaStar AquaStar Natural Gas Tankless Water Heater...
Mine won't heat long enough or get as hot as it used to
Is it protected by a water softener?
Have you cleaned the inlet screen and flow valve?
Your problem is likely in one of those areas. If not them then you may have to backflush the heat exchanger (if you don't have a softener). The manual tells you how to do that.
Posted on Apr 04, 2009
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Posted on Jan 02, 2017
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