United States Stove VF30IN Gas Heater User Manual


 
11
WARNING
Maintain these clearances to
ensure adequate space
around air opening for
proper operation.
Minimum clearances to combustibles:
Sides of heater...........................8" MIN
Front of heater.........................60" MIN
Top of heater............................50" MIN
Top to Mantel...........................18" MIN
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent
openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items
directly to the outdoors or spaces open to the outdoors. These spaces include attics and
crawl spaces. (See Figure 2)
IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a thermostat-
controlled power vent. Heated air entering the attic will activate the power vent.
AIR FOR COMBUSTION AND VENTILATION
CLEARANCES TO COMBUSTIBLES
FIGURE 2. Ventilation Air from Outdoors
Ensure the minimum clearances shown in FIGURE 3 are maintained for
accessibility for purposes of servicing and proper operation.
FIGURE 3. Minimum Clearances