Condensate drain (CD) - air conditioner's drain line (or the condensate line ).
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Condensate Drain Codes & Best Practices - HVAC School
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Condensate Drain Line Maintenance Tips for Phoenix Homeowners | Heating & AC Contractor in Scottsdale, AZ
Frozen Condensate Line: Recognizing, Preventing & Fixing It | Broadley's Plumbing, Heating & Air Conditioning
Clogged air conditioner drains - Spot On Inspection
Keeping Your A/C Condensate Drain Line Clean - allcoolallcool
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