Utica-Dunkirk 43300977 Push Nipple 318518-761 as this unit replaces several

as this unit replaces several legacy Protech and UTEC versions

It serves as a direct drop-in replacement for parts 1172616 and EF17BZ112

saving critical rail space in dense control enclosures

providing compatibility with over 550 single-stage HSI ignition control models

Can I use the 0175M00043 to replace a different kW rating

Utica-Dunkirk 43300977 Push Nipple 318518-761 as this unit replaces severalThe Utica Dunkirk 43300977 Push Nipple is a heavy duty, cast iron 4 inch push nipple engineered specifically for sealing the cast iron sections of Dunkirk D249 and ESC Series IV boilers. Unlike standard rubber gaskets or steel nipples that can fail under extreme thermal cycling, this machined cast iron nipple shares the same expansion coefficient as the boiler sections themselves. This ensures a leak proof boiler seal that maintains structural