Red Dot Catalog Click on the links below to go to various parts of the Red Dot catalog. Heater-AC Heater Only Condensers Intro – TOC On Road Applications Off Road Applications Compressor Mounts Replacements 70 Fittings 71 Controls 72 Controls 73 Blowers 74 Driers 75 Compressor 76 Cores 77 Condensers 78 Hoses and Filters 79 Tools 80 Vehicles-Buses