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NW IL | Anyone else have a Navien tankless water heater? Have been having issues with it throwing an error code (dealing with gas pressure) for 3 years and still battling Navien. Is in a radiant floor heating set up in a small shop/garage. Have run off 2 different tanks (250 gal & 500 gal) each with a different supply line to building, and have replaced regulators at least twice. Of course heater mfg blames gas, and gas co blames heater (says the electronic setups nowdays are too sensitive for the mechanical regulators).
Anyone have one of these brand units? On a line by itself?
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Navien CH-180 tankless water heater problems
