Mr. Heater MH18B - Manual

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Page 3 – SPECIFICATIONS; C L E A R A N C E T O C O M B U S T I B L E S; C O N T E N T S; Do not operate heater in any moving vehicle.; G E N E R A L S A F E T Y I N S T R U C T I O N S
Page 4 – The heater can be used outdoors, but may experi-
Page 5 – If the pilot goes out repeat the lighting procedure.; Always inspect propane cylinder and heater propane
Page 6 – Warning
Page 7 – TROUBLESHOOTING INFORMATION:
Page 8 – SEE BACK PAGE FOR PARTS ORDERING INFORMATION; DESCRIPTION; Big Buddy; ACCESSORIES
Page 9 – Mr. Heater • Big Buddy • Tough Buddy • Model # MH18B
Page 10 – PARTS ORDERING INFORMATION:; Accessories may be purchased at any Mr. Heater local dealer or; FOR INFORMATION REGARDING SERVICE

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OPERATING INSTRUCTIONS
AND OWNER’S MANUAL

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.

P O R T A B L E P R O P A N E H E A T E R F O R
R E C R E A T I O N A L A N D C O M M E R C I A L U S E

M H 1 8 B

Model #

05/06 78438CAL Rev. L1

ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-916-3000

If the information in this manual is not followed exactly, a fire or explo-

sion 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

any other appliance.

— 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 2.

For California Sale

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Summary

Page 3 - SPECIFICATIONS; C L E A R A N C E T O C O M B U S T I B L E S; C O N T E N T S; Do not operate heater in any moving vehicle.; G E N E R A L S A F E T Y I N S T R U C T I O N S

3 Operating Instructions and Owner’s Manual Mr. Heater | Big Buddy/Tough Buddy 05/06 78438CAL Rev. L1 WARNING: Every time hose or tank is connected to unit, connec-tion must be checked for leaks in one or more ways:Apply soapy water to connection, look for bubbles,listen for hiss of escaping gas, fe...

Page 4 - The heater can be used outdoors, but may experi-

4 Mr. Heater | Big Buddy/Tough Buddy Operating Instructions and Owner’s Manual GENERAL INFORMATION: • This heater is safe for indoor use in small recreationalenclosures, having means for providing combustion airand ventilation, such as enclosed porches, cabins, fishinghuts, trailers, tent trailers, ...

Page 5 - If the pilot goes out repeat the lighting procedure.; Always inspect propane cylinder and heater propane

5 Operating Instructions and Owner’s Manual Mr. Heater | Big Buddy/Tough Buddy 05/06 78438CAL Rev. L1 Figure1 Control Knob Fan Switch • Once the pilot has lit, hold the Control Knob down foran additional 30 seconds to heat the thermocouple.After 30 seconds, release the Control Knob and the pilotshou...