Do not use uncertain equipment until assessed
Visible damage, smoke entry or other abnormal operation deserves qualified inspection before continued use.
Water damage can accelerate deterioration
Exterior masonry and flashing failures can affect both appearance and performance.
Flue systems are not cosmetic assemblies
Repairs should respect the listed appliance, chimney system and local fire/building requirements.
Ask what is being repaired
Masonry appearance, water entry, liner condition and appliance venting are separate scopes.
Safety boundary. General planning information only. Do not open, dismantle or work on hazardous electrical, gas, structural, fire-protection or contaminated-water systems unless you are appropriately qualified and authorized.