Question about Rinnai Desa Vent-Free Infrared Gas Heater: Vent-Free Infrared Gas Heater(18,000 BTU)

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No hot water

My rinnai tankless hot water heater is to producing hot water, the temperature gauge blinks #11 and beeps. Can you please help quickly as this is Thanksgiving.

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An error code of 11 equals no ignition. Check gas supply, sparker, flame rod, burner and ground.

Posted on Nov 28, 2008

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