As someone who has done it. TL;DR; How Have zero knowledge about anything. Buy part on eBay. Spend 5 mins double checking what to do. Spend 30 seconds repla

As someone who has done it. TL;DR; How Have zero knowledge about anything. Buy part on eBay. Spend 5 mins double checking what to do. Spend 30 seconds replacing part. Because this is done by a lot of homebrewers, easy and lots of info out there. TL;DR; Why, if not for homebrew. Because a fridge will lose a lot of air when opening. 600 liters of air weights 600 grams. This ~ needs to be re-chilled on each opening.