Grab your coat and bundle up...
If you have a 90% efficient furnace, it’s creating water right now (about a pint per hour)! When it freezes, water backs up to your furnace and will shut your furnace off.
Prevent your furnace from shutting off by:
- Locating your drain pipe somewhere around your house.
- Buying some Ice Melt/Rock Salt (found at local hardware stores) and put a handful of it in a mound underneath the drain line.
- Keep an eye on your drain pipe to make sure it doesn't freeze
This prevents the water from freezing back up to the water line, so your furnace can continue running to keep your home warm.
Step 1: Locate your drain pipe somewhere around your house
Step 2: Buy some Ice Melt/Rock Salt and put a mound of it beneath your drain pipe.
Step 3: Keep an eye on your drain pipe to make sure it doesn't freeze
Read more about how to safeguard your home's plumbing from freezing temps: Cold Weather Plumbing Tips