Was tun gegen Frostschaden an der Wärmepumpe?

How long it takes for a power outage to become a problem for a heat pump in freezing temperatures? I tested it ;). I hope this helps everyone decide for themselves which measure is best for them. Here I show you how I installed my heat pump:    • DIY Wärmepumpe im Altbau - Planung und Ein...   Tools and components: Examples can be found on Amazon: Shoe scraper as condensate drain: https://amzn.to/3Xt7Ofo (I installed a similar one) Sludge separator: https://amzn.to/3HieZBn (I installed this one) Hemp sealing kit: https://amzn.to/3HiKcnX (I used this one) Bending spring: https://amzn.to/3QRAMCS (I used this one) Pressing pliers: https://amzn.to/3Wuzij7 (example) Scissors: https://amzn.to/3GU0WR4 (example) Caliper: https://amzn.to/3J1KQYd (example) (If you buy something through the links, I get a commission.) Commission. The price doesn't change for you! Of course, always compare products from other providers, too! All actions and tips presented here simply demonstrate how I solved this problem. They do not replace professional advice from a tradesman, and I assume no liability for any damage. All tips are provided without guarantee. Act responsibly and to the best of your ability! Work on drinking water and electrical installations should only be carried out by specialized companies!