— An LP cylinder not connected for use shall not be stored in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light appliance. • Extinguish any open flame. • Shut off gas to appliance. — Service must be performed by a qualified service agency. This is an unvented gas-fired portable heater. It uses air (oxygen) from the area in which it is used. Adequate combustion and ventilation air must be provided. Refer to page 3. READ INSTRUCTIONS CAREFULLY: Read a

Place instructions in a safe place for future reference. Do not allow anyone who has not read these instructions to assemble, light, adjust or operate the heater. HEATSTAR MH35LPMODELMODELHS35LP CYLINDER NOT INCLUDED GAS-FIRED INFRA-RED PORTABLE CONSTRUCTION HEATER DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DA

to regulator.............Min.: 5 psig (34.5 kPa) regulator out .......... 28" W.C. (6.97 kPa) Electrical Input:........115V, 60 Hz, 1O, 3a Min. Operating Voltage: 100V Ignition: .................... Direct Spark Primary Flame Control:.......Thermocouple Operated Gas Valve High Temperature Control: .................. 240°F (116°C) Min. Ambient Temp. Rating 0°F (-17.8°C) Enerco Group, Inc.| Forced Air Propane Construction Heater 2 Operating Instructions and Owner’s Manual 70056 Rev. C 4/07 SPECIFI

Inspect hose assembly before each use of the heater. If there is excessive abrasion or wear, or hose is cut, replace with hose assembly listed on parts list before using heater. 8. For indoor use only. Area must be well ventilated. Figure 1. (also see "Operating Precautions"). 9. If at any time gas odor is detected, IMMEDIATELY DISCONTINUE operation until the source of gas has been located and corrected. Read enclosed Odor fade and Propane Sheet for additional information about detecting propane

MH12, INFRA-RED CAMP HEATERS No. Description 1 Wire Guard 2 Mesh Screen 3 Thermo-Couple 4 Regulator Valve Knob 5 Regulator 6 Propane Gas Cylinder 7 Reflector Bowl Assembly 8 Mixing Tube 9 Orifice 10 Mixing Tube Lock Nut 11 Valve Button 12 Safety Shut-Off Valve 13 Plastic Stand Model MH12 ENERCO / MR HEATER 4560 W. 160th ST., CLEVELAND, OHIO 44135 TEL: 1-800-251-0001 FAX: 1-800-321-0552 GENERAL A new feature of the series MH12 heaters is a 3-step regulator valve that has a high

Do not pull any power supply or extension cords. Do not light matches or any other source of flame. Do not use your telephone. • Get everyone out of the building and away from the area immediately. • Close all propane (LP) gas tank or cylinder fuel supply valves, or the main fuel supply valve located at the meter if you use natural gas. • Propane (LP) gas is heavier than air and may settle in low areas. When you have reason to suspect a propane leak, keep out of all low areas. • Use your neighbo

Place instructions in a safe place for future reference. Do not allow anyone who has not read these instructions to assemble, light, adjust or operate the heater. GAS-FIRED INFRA-RED PORTABLE HEATER CYLINDER NOT INCLUDED MH12CS MODEL MODEL MH12C If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. WARNING: — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or a

B. These heaters are equipped with an automatic Safety Shutoff Valve. The gas flow will automatically stop if the heater fails to operate for any reason. C. Maximum safety and convenience have been built into the Hi- Med-Lo-Off Control Valve/Regulator. The following table lists the approximate BTU’s consumed and the operating hours you can reasonably expect from bulk propane cylinders. D. Model MH12CS is equipped with an igniter for convenient heater lite-off. Mr. Heater | Gas-Fired Infra-Red Po

Ohio 44135 place for future reference. Phone: 800/251-0001 FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. WARNING: improper installation, ADJUSTMENT, SERVICE OR MA NTE-NANCE CAN CAUSE PROPERTY DAMAGE, INJURY OR DE

Consult with your local LP-Gas dealer for details concerning proper equipment and installation. Piping must be clean and free from scale or burr. Before attempting to ignite the appliance, all gas fittings and connections must be thoroughly checked for gas leaks. Apply a small amount of a mild soap and water solution to all fittings and connections and observe for escaping bubbles. If any leaks are detected, shut off the gas supply to the appliance immediately. Wait a minimum of five minutes, re