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you are better off having a shop do the recovery. A lot less chance of getting any air into the system for starter.
When I did my system, the listing on ebay for the receiver dryer showed a red dot number as well as another part number for a different brand.
As for the fill level, Retired War Horses recommends doing 3.5 lbs of refrigerant into the system.
Yes, I know the sticker on the evaporator says 4 lbs, but it actually says 4 lbs MAX charge, not 4 lbs recommended.
When I did my system, the listing on ebay for the receiver dryer showed a red dot number as well as another part number for a different brand.
As for the fill level, Retired War Horses recommends doing 3.5 lbs of refrigerant into the system.
Yes, I know the sticker on the evaporator says 4 lbs, but it actually says 4 lbs MAX charge, not 4 lbs recommended.