Copeland Scroll Compressors R22

Compressors for residential HVAC units are fairly easy to find a replacement.  Copeland offers a variety of replacements for all residential units.  You do not have to match up the model numbers exactly and in most cases it will not as the model number is changed for all after market replacements.  In other words Copeland changes what is referred to as the Bill of Material portion of the model number for compressors sold as replacements.
To learn more about choosing a Copeland Compressor

What the Copeland Compressor model number breakdown is

Example for ZR34K3-PFV-830
Z = Scroll
R = R22 Refrigerant
34 = BtuK/hr or 34,000 Btu/hr and is equivalent to 3 Tons ( an acceptable Btu difference is + or - 3)
K3 = is the revision of this type of compressor and is not important when choosing a replacement
PFV = mounting and voltage (as long as the previous compressor has this, then you are OK)
830 - is the Bill of Material that Copeland assigns.  This number changes for all replacement compressors and is not critical.

In summary the following model features are critical and need to be the same (highlighted in RED)
ZR34K3-PFV-830

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