this #44 burner orifice is often a standard component in natural gas conversion kits for specific 150 and 250 MBH models

Common Questions: Is the MA40-7040 compatible with the older MA40-LF120

While designed for three-phase systems

and various indirect-fired air handlers

Copeland ZR57K3E-TFD-930 Compressor Freon this #44 burner orifice isThe Copeland ZR57K3E TFD 930 is a heavy duty 460V 3 phase scroll compressor engineered for commercial HVAC applications requiring 58,500 BTU hr capacity. Optimized for R 22 and R 407C refrigerants, this hermetic unit utilizes POE oil (Polyolester) to ensure steady lubrication and compatibility with modern HCFC and HFC blends. The ZR series is the industry standard for rooftop units, chillers, and split systems, providing a direct replacement for 55