MrHeater MH4B User Manual

PORTABLE PROPANE HEATER FOR
RECREATIONAL AND
EMERGENCY INDOOR USE
FOR US SALE EXCEPT
MASSACHUSETTS
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.
OPERATING INSTRUCTIONS AND OWNER’S MANUAL
READ INSTRUCTIONS CAREFULLY: YOUR SAFETY IS IMPORTANT TO YOU AND TO
OTHERS. 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.
www.mrheater.com 800-251-0001
LANGUAGES INCLUDED:
• ENGLISH
• SPANISH
Use only Mr. Heater branded accessories
(See page 8 for WARNING information)
WARNING:
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.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light 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 or a qualified service agency.
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
PORTABLE RADIANT
BUDDY HEATER
Model # MH4B
15125 Rev A

MrHeater MH4B Specifications

General

Brand	MrHeater
Model	MH4B
Category	Heater
Language	English

Summary

WARNINGS

CARBON MONOXIDE POISONING MAY CAUSE DEATH OR INJURY

Risks associated with CO poisoning due to inadequate combustion and ventilation air.

FIRE OR EXPLOSION HAZARD

Precautions to take if gas is smelled, including immediate actions and safe practices.

CAUTION: Altitude Operation

Heater performance and potential shutdown at altitudes over 7,000 FT above sea level.

WARNING: Enclosure Ventilation

Prohibition of use in recreational enclosures without adequate window or roof ventilation.

WARNING: Safety System Tampering

Warning against tampering with the heater's safety system designed to turn off the heater.

SAFETY INSTRUCTIONS

GENERAL SAFETY INSTRUCTIONS

Critical guidelines for operating the heater safely, including placement, usage, and child safety.

GENERAL INFORMATION

Details on safe indoor use in enclosures, outdoor use, and operational characteristics like burner color.

DANGER: Refillable Cylinder Use

Critical warning against bringing refillable propane cylinders indoors due to explosion and fire risk.

OPERATION

Lighting Instructions

Step-by-step guide for safely igniting the pilot and main burner of the heater.

Shutdown Instructions

Procedures for safely turning off the heater and disconnecting the fuel supply.

Maintenance

Guidelines for keeping the heater clean and ensuring proper functioning of components.

Cleaning Instructions

OFFSEASON

Instructions for storing the heater and disconnecting the propane cylinder during off-season periods.

TROUBLESHOOTING

Spark Electrode Issues

Troubleshooting steps for problems with the spark electrode not producing a spark.

Pilot Ignition Failure

Remedies for the pilot light failing to ignite when the spark electrode is functional.

Pilot Flame Instability

Solutions for the pilot flame failing to remain lit after the control knob is released.

Main Burner Ignition Failure

Steps to resolve the main burner failing to ignite after the pilot is lit.

Heater Shutting Off

Causes and solutions for the heater unexpectedly shutting off during normal operation.

WARRANTY AND PARTS ORDERING

PARTS ORDERING INFORMATION

Details on how to purchase replacement parts and obtain service information.

LIMITED WARRANTY

Information about the one-year limited warranty covering defects in material and workmanship.

PRODUCT REGISTRATION

Instructions and link for registering the product for warranty purposes.