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The AMERICAN WATER HEATERS 100346618 AO Smith Ultra Low NOX Burner Assembly is designed for natural gas residential heaters. This burner assembly is compatible with 50-gallon stubby and 40-gallon stubby R16 heaters and features a 2" valve. It is an ultra-low NOx burner assembly, ensuring reduced emissions.
Ultra Low NOx Burner Assembly for residential heaters. Compatible with specific stubby models and features a 2" valve.
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