Manual

CHS Series CHS 300-399 Common Venting │Slant Fin Corp.
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Annual Inspection Checklist
The Slant/Fin CHS 300-399 Common Venting must be inspected at the beginning of every heating season by a
Qualified Technician.
 1. For each boiler perform the Annual Inspection Checklist in the boiler Installation and Operation
Instructions.
 2. Inspect the CHS 300-399 Common Venting termination components for damages caused by exposure to
weather elements. If termination components are damaged or worn have the parts removed and
replaced.
 3. Examine the termination Bird Screens for debris.
 4. Examine all venting for evidence of leaks. If a leak is found repair or replace the part.
 5. Look for condensate or debris in the Non-Return Valves, if found remove and clean them.
 6. Examine the support clamps for rigidity; tighten if loose or replace if damaged.
 7. Check the Connector Rings for a secure lock between each connection.
 8. Conduct a visual inspection to ensure the CHS 300-399 Common Venting is adequately sloped and not
sagging.
 9. Confirm there is nothing obstructing the flow of the Combustion Air-Inlet and Exhaust Gases.
 10. Keep boiler area clear and free from combustible materials, gasoline, and other flammable vapors and
liquids.
Failure to properly inspect each joint fitting in the CHS 300-399 Common Venting may
result in flue gas leakage causing serious injury or death.