I bought this temperature alarm for a rented apartment. A year ago I was between tenants and the stove wouldn't turn on, and after that all the plumbing froze. Damage included a freeze and a broken water meter (the city charged me $150 for this), shut-off valve, pressure regulator, kitchen faucet, shower faucet, and all plastic plumbing. If there was a bright side, Jack Frost didn't take the water heater (which was electric and not on) to the toilet, washing machine, or bathroom faucet. Theβ¦