Recent content by DaveE

Moose (frequently) and bears (infrequently). It happened again yesterday while my wife was in the backyard. She heard a pop/thud and found the screen about 15 feet away from the vent pipe. So, it's definitely caused by an explosion in the combustion chamber/vent pipe. Delayed ignition is...

A few days ago, we found our 2009 Navien NR-240A exhaust vent bird screen on the ground about 12 feet away from the end of the vent. Very odd, and has never happened before. I can't believe some neighbor kid is messing with us and it's hard to remove so I doubt birds or other animals are the...