Nordyne 661057R Orifice ensuring the seal does not

ensuring the seal does not flatten or fail under pressure

the Johnson Controls DMPR-RS311 is a critical fire safety component engineered specifically for FD-1300 Series dynamic multi-blade fire dampers

this specific packing cone is optimized for steam service

preventing the common "popping" or delayed ignition issues associated with generic parts

The 150-14 is for flat flange heads and has no holes

Nordyne 661057R Orifice ensuring the seal does notThe Nordyne 661057R is a critical OEM replacement part designed for precision fuel metering in high efficiency heating systems. Featuring a . 057 orifice diameter, this LP burner orifice is engineered to maintain the correct gas to air ratio for Liquid Propane applications. It serves as the direct replacement for Nordyne 661057, ensuring seamless integration into N Series burner manifolds commonly found in Intertherm burner systems, Miller furnaces,