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If the recreational or commercial enclosure does not have a window or roof vent that is open, DO NOT USE THIS
HEATER inside.
This heater is safe for indoor use in small recreational enclosures, having means for providing combustion air and ventilation, such
as enclosed porches, cabins, fi shing huts, trailers, tent trailers, tents, truck caps and vans. It may be used for emergency indoor
heating when connected to a disposable 1 lb. propane cylinder and for indoor use in commercial enclosures, having means
for providing combustion air and ventilation, such as construction trailers or temporary work enclosures. Do not operate heater in
any moving vehicle. This heater can also be used in a recreational or commercial enclosure with a window or roof vent.
It may also be used outdoors. This heater requires a vent area of 18 square inches (example 4 1/4" x 4 1/4" opening)
minimum for adequate ventilation during operation. Do not use other fuel burning appliances inside.
GENERAL INFORMATION:
• When the heater is cold or at room temperature, it will take a few minutes for the burner to turn bright orange. This is normal
and the heater is working properly. Also, during the initial lighting, the oil used during manufacturing process needs to burn off . This can
take up to 60 minutes of continuous burning. Some odor and yellow fl ames may occur during this time but will diminish after the burn-in
period.
• It is recommended not to use the heater in windy conditions. The heater may fl utter reducing the eff ectiveness of the
appliance and could have excessive pilot outages.
• When operating the heater at altitudes over 7,000 FT. above sea level, the unit may not burn as bright as in lower altitudes.
This is normal. At higher altitudes, the heater may shut-off . If this happens, provide fresh air, wait 5 minutes and re-light.
Due to local atmospheric conditions heater may not re-light.
• When moving heater when lit or bumping heater setting it down, tip over switch may shut off heater. If this happens,
re-light.
• Operating time will vary depending on the heater setting and the supply cylinder size. See chart and "Cold Weather
Operations" section.
• NOTE: This HEATER MAY BE OPERATED WITH (1) DISPOSABLE 1 LB. PROPANE CYLINDERS OR WITH (1)
REMOTE REFILLABLE PROPANE CYLINDER MAX. 20 LBS USING BOTH (1) WMAI # 20-7512F 12' Extension
Hose and (1) WMAI Model # 20-7512F Fuel Filter (Sold Separately)
COLD WEATHER OPERATION:
• Cold weather is generally defi ned as ambient temperatures below 32 degrees F.
• 1 lb. propane cylinders have diffi culty producing suffi cient gas at lower temperatures and can "freeze-up", reducing the time of
operation by as much as 50-70%. For this reason, it is recommended to use only 20 lb. propane tanks under these conditions.
• If a 1 lb. tank is used in cold weather, such as in an ice fi shing hut, following are some operating suggestions;
1. Expect operating times to be signifi cantly reduced.
2. Never set the heater directly on the ice. Set the heater on a rigid piece of fl ame retardant insulation and make sure the
ventilation slots on the bottom of the heater are not obstructed.
3. Elevate the heater slightly above the ground level. Insure the unit is level and secure and cannot be knocked over.
4. Keep the tank access door open. This provides some additional heat to warm the 1 lb. cylinder.
5. Adequate ventilation and combustion air must be provided.
6. Maintain all clearances as specifi ed on Page 4.
Carefully watch the Heater for signs of the 1 lb. cylinder "freezing-up". If the lower portion of the burner starts to turn from
orange to blue and begins sputtering, immediately shut off the heater and remove it from any enclosure.
WARNING:
FOR US ONLY EXCEPT MASSACHUSETTS
WARNING:
3
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
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