what to do if furnace conks out

[Chris Hill]

Both heaters have oxygen depletion sensors and I already have a co monitor.

[The Daring Dufas]

This may sound like an odd question but why would you "unthaw" a sewer pipe? Did you use liquid nitrogen? Oops, I just looked it up. It's seems that it's a common mangling of the language. Sort of like "irregardless". *snicker*

TDD