State Water Heaters ULTRA FORCE 100 Installation & Operation Instruction page 8

U.S. POWER VENT
FIGURE 5a.
CAUTION
TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE
IN WINDY/COLD AREAS, THE MAXIMUM PRACTICAL DISTANCE BETWEEN
THESE TWO TERMINALS IS RECOMMENDED.
CANADIAN POWER VENT
FIGURE 5b.
8