Question about Bosch 1600H-NG Natural Gas AquaStar AquaStar Natural Gas Tankless Water Heater...
Our Bosch water heater isn't heating as hot or lasting as long as it used to.
You could try to adjust the thermostat to a higher temperature. Let me know the results.
Posted on Feb 25, 2009
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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