State Industries SANDBLASTER SBD85 500 User Manual

Page 14

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SBD TANK TYPE HEATERS

SERVICE HANDBOOK

Technical Training Department

Ashland City, TN ©2003

13

Nine Rules for Good Vents (continued)

2. The diameter of a vent pipe should NEVER be

reduced, no matter what the circumstances.

3. In some cases it may be necessary to run a vent larger

than the draft diverter outlet.

4. Take the maximum vertical rise possible immediately

above the draft diverter.

5.

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