503DH-80C2
Hitachi
Buying Notes
Compatible applications: Air Conditioning systems, replacement demand, and project sourcing scenarios that need a compressor in this category.
Refrigerant and application fit: check R22 system compatibility together with the actual operating conditions before purchase.
Quote and replacement support: share the original model, brand, refrigerant, horsepower, voltage/frequency, and destination market so replacement matching can be checked before quotation.
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Related Guides
Use these articles to validate application fit, troubleshooting direction, or compatibility strategy before ordering.
How to Choose an Air Conditioner Compressor: Working Principles, Common Types, and Selection Criteria
Use this guide when you need a faster way to compare compressor type, refrigerant, and application fit before requesting a quote.
Complete Compressor Cross Reference Guide: Find Compatible Replacements for Any Brand
Match model numbers, compatibility direction, and application context when you need an alternative sourcing option.