and 399 condensing gas boilers

matching the HP and RPM ratings precisely is critical to maintaining factory airflow specifications and preventing premature compressor failure

300 RPM to ensure safe venting and peak system efficiency

When diagnosing a high pressure cutout issue or performing a pressure switch replacement

Can this wire be used in residential units

Utica-Dunkirk 550002279 Burner Replacement Kit 318973-401 and 399 condensing gas boilersThe Utica Dunkirk 550002279 Burner Replacement Kit is a critical OEM replacement burner assembly engineered for high efficiency condensing gas boilers. Designed specifically for compatibility with the Utica SSC and Dunkirk VLT 150 200 series, this kit ensures a precise fit for 150K BTU and 200K BTU hydronic systems. As experienced techs know, maintaining clean combustion is vital for heat exchanger longevity; this kit provides the necessary burner