We have a Navien 110NCB where the Ignitor keeps gumming up and failing. Navien won't warranty the parts because they say the gas regulator has to be 10' away from the boiler. It is currently 7' away. They say that the gas supply is not sufficient. It piped 7' from the high pressure gas manifold where a regulator is installed at the manifold. It is piped in 1/2" from the manifold.
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