the 0131M00666 is designed to withstand the thermal stress of modern high-performance heating and cooling cycles while maintaining peak HVAC energy efficiency

Whether you are performing a heat pump maintenance task or a complete coil overhaul

This specific kit is supplied without spring

and Armstrong units to maintain original factory performance ratings

000 BTU/hr to handle demanding hydronic loads

Utica-Dunkirk 3771101 Pilot Assembly 320734-701 the 0131M00666 is designed toThe Utica Dunkirk 3771101 pilot assembly is a critical OEM replacement component engineered specifically for LP gas systems in residential and commercial boiler configurations. As a direct fit solution for the ECR International family of brandsincluding Utica Boilers, Dunkirk, and Penncothis assembly ensures the precise ignition and consistent flame sensing required to maintain high system efficiency and safe burner operation. Designed for liquid