Question about NORITZ Natural Gas Tankless Water Heater 9.3G/PM
Things to Check:
1. incoming gas pressure (minimum 5" when unit firing)
2. Make sure damper on top of unit isn't sticking
3. check vent length and #elbows versus installation manual specs
4. if above 2000', disconnect high elevation termination
If these all check out, you'll probably need to do a manifold adjustment. Call Noritz for assitance on this.
Posted on Apr 29, 2011
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Posted on Jan 02, 2017
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