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Posted on Jan 02, 2017
The clicking is a good sign. What are you trying that not working? How is the water flow-is it strong? 1) Turn the flow control button all the way to your left - this will increase the flow.
2) Pull the relief valve to simulate water flow and listen for clicking sound, and hopefully, main burner ignition. ( if installed in basement or kindly use bucket to catch water) The 1600 H NG will automatically shut off firing after 5sec of clicking.
3) How is the venting-use a household digital carbon monoxoide detector to measure any backspill from chimney.
4) Was the gas line disconnected in anyway after heater was installed? Air in the gas line will cause the igniter to click but no gas to fired the main burner.
Todate i have installed 11 Bosch Tankless Heaters -- 9(125 NG) Which is the same as 1600 Series
1(1600H NG) and 1(1600P NG)
Guess which one I having problem with- You guess it, however, the problem is their electrical wiring.
BE CAREFUL IN CALLNG BOSCH TECH. FOR SUPPORT. THE ARE GRILLING YOU TO FIND A LOOPHOLE WITH YOUR INSTALLATION TO RELIEF THEMSELF OF THEIR WARRANTY.
Posted on Mar 24, 2009
SOURCE: I have a Bosch
Having the same problem with mine. Looking for a replacement generator. Seems that if your water pressure or flow is not adaquate your will have this problem. Get worse over time. I took mine apart and it got better then started doing the same thing again. I turn on several faucets to overcome problem. Still it not good. The 1600H does not appear in the Bosch website parts list models. They do say that a third party does the fulfillment in the notes at bottom on other units...maybe call them
Posted on Dec 27, 2010
SOURCE: roblem with the Bosch 1600H-NG
Problem could be air supply, gas supply, venting, part failure or combination of listed things.
Best place to start is manual.
Typical 1600 manual shows troubleshoot starting page 19
Bosch has online tech support form:
BOSCH error codes:
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Posted on Mar 05, 2011
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