Quote:
Originally Posted by Danny_Ocean
I have 3 outdoor spigots which are covered with foam "frost protectors".
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I would find a way to drain those outdoor spigots.
I assume the water pressure is off while you're not there? If not, you could really be courting disaster.
A neighbor replumbed his cottage so he could drain his whole system, right back to the pressure tank, in about 5 minutes. I helped him close up his cottage a couple years ago, and it was really slick. There's 2 valves right above the pressure tank. One isolates the pressure tank & pump, which stay heated with heat wrap. The other valve drains all the pipes through the cottage. He starts upstairs, opening taps and works his way downstairs. His water heater is set up the same. It stays full, but all the pipes it feeds are drained.
I've had frozen pipes 3-4 times in my house, and it's always been the result of a draft that passes near a pipe. No issues at all even down to -25C, but I've had pipes freeze and burst at -10C because of a draft.