A wire cap clogged with soot or debris restricts draft and can blow back embers.
Have the arrestor cleaned and re-screened during the annual sweep.
Typical fix cost in Boise: $80-$250. Do not attempt work on live systems - get a licensed specialist on it.
| Item | Range |
|---|---|
| Diagnosis | $75-$150 |
| Repair | $80-$250 |
If there is risk of damage, safety hazard or no service at all, treat it as an emergency and act now. Otherwise schedule a standard visit.
Regular maintenance catches most of these early - see the maintenance checklist in the emergency guide.