3
votes
1answer
112 views

Partially frozen sewer line

I think the line running from my house to the municipal sewer system has partially frozen. It's been below freezing here for weeks on end, with no end in sight. I hadn't noticed any problems until I ...
4
votes
1answer
9k views

How can I prevent my HVAC condensate drain line from freezing?

Last night, my heat (forced air) suddenly stopped. Today, a plumber figured out that my heater is 90% efficient, produces lots of condensate, and the drain line had frozen. We went outside and saw ...