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OPERATING INSTRUCTIONS AND OWNER’S MANUAL FORCED AIR PROPANE Model # CONSTRUCTION HEATER MH170QFAVT Featuring NEW QUIET BURNER TECHNOLOGY READ INSTRUCTIONS CAREFULLY: Read and follow all instructions. 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.
NUMBER AND SERIAL NUMBER OF HEATER: YOUTUBE: There are now informational videos 1-800-321-0001 on YouTube. MONDAY-FRIDAY 8-5 PM EASTERN TIME WEBSITE: Mr. Heater’s full line of product are now at OR EMAIL USING THE MR. HEATER WEBSITE: WWW.MRHEATER.COM WWW.MRHEATER.COM Operating Instructions and Owner’s Manual...
OPERATING PRECAUTIONS SAFETY PRECAUTIONS Check the heater thoroughly for damage. DO NOT operate a damaged heater. This is a propane, direct-fired, forced air heater. It’s intended DO NOT modify the heater or operate a heater which has been use is primarily temporary heating of buildings under modified from its original condition.
ODOR FADE WARNING WARNING Asphyxiation Hazard • Do not use this heater for heating human living quarters. • Do not use in unventilated areas. • The flow of combustion and ventilation air must not be obstructed. • Proper ventilation air must be provided to support the combustion air requirements of the heater being used. •...
OPERATING INSTRUCTIONS SERVICING A hazardous condition may result if a heater is used that has PREPARING FOR OPERATION been modified or is not functioning properly. Check the heater for possible shipping damage. If any is When the heater is working properly: found, notify the factory.
SIZE AND CAPACITY OF PROPANE WARNING: When using a thermostat controlled heater, CYLINDERS its exit area should be protected from personnel and warnings posted of sudden startup. The charts below show the approximate size of the cylinder required for these heaters. To use the chart: Recommended Minimum Gauge Select the lowest air temperature expected (at the bottom of for Cord Extensions...
Mr. Heater, Inc. warrants its heaters and accessories to be free from defects in material and workmanship for a period of 1 year from date of purchase. Mr. Heater, Inc. will repair or replace this product free of charge if it has been proven to be defective within the 1-year period, and is returned at customer expense with proof of purchase to Mr.