If you're worried about your pressure gauge, you can put a styrofoam faucet/outdoor spigot cover over it. I use l-o-n-g bungee cords to hold it securely on the top of my cartridge filter. Knock on wood...so far, so good and our temps have dipped below freezing overnight almost every night since early December. During a cold week, we dipped into the single digits overnight and stayed below freezing during the day.