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, feel for extreme cold, smell for rotten egg odor. Do not use if leaking!

WARNING:

Any changes to this heater or its controls can be dangerous.

WARNING:

Early signs of carbon monoxide poisoning resemble the flu, with headache, dizziness and/or nausea. If you have these signs, heater may not be working properly. Get fresh air at once! Have heater serviced.

THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNING:

WARNING:

Combustion by-products produced when using this product contain carbon monoxide, a chemical known to the State of California to cause cancer and birth defects (or other reproductive harm).

CONTENTS

 

General Safety Instructions

3

General Information

3

Operating with Disposable Propane Cylinders

4

Operating With Hose Connected to Remote Cylinder

4

Maintenance

5

Troubleshooting

6

Parts List

6

Parts Ordering Information

8

Service Information

8

SPECIFICATIONS

MODEL NO

MH9B

GAS TYPE

PROPANE

INPUT BTU/HR

4,000 / 9,000

CLEARANCE TO COMBUSTIBLES

 

TOP

30”

FRONT

24”

SIDES

6”

REAR

0”

Mr. Heater Portable Buddy

2

Operating Instructions and Owner’s Manual

Page 2
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Mr. Heater MH9B owner manual Contents, Specifications

MH9B specifications

The Mr. Heater MH9B is a portable propane heater designed for versatility and efficiency, making it an ideal choice for various outdoor activities and indoor use in well-ventilated areas. With a compact design and powerful heating capabilities, this unit has gained popularity among campers, tailgaters, and those seeking supplemental heat in emergencies.

One of the standout features of the MH9B is its radiant heating technology. The heater emits infrared heat that warms objects and people directly within its vicinity rather than simply heating the air. This leads to efficient energy use and provides warmth almost instantly. The unit is capable of producing up to 9,000 BTUs, making it suitable for spaces up to 200 square feet. Its adjustable heat settings allow users to customize their comfort level, offering a range from 4,000 to 9,000 BTUs per hour.

Safety is a primary consideration in the design of the MH9B. It includes an automatic shut-off feature that activates if the heater tips over, ensuring that users can operate it with peace of mind. Additionally, the unit is equipped with a low-oxygen shut-off system that automatically shuts down the heater when carbon monoxide levels become dangerous, making it a safe option for indoor use in well-ventilated spaces.

The MH9B operates on standard 1 lb propane cylinders, providing a straightforward and practical fuel option. Users can also connect it to larger propane tanks with the right adapter, enhancing its usability for extended outdoor trips. The heater is lightweight, weighing only about 9 pounds, and comes with a built-in handle for easy portability, allowing users to transport it effortlessly from one location to another.

Another notable aspect of the Mr. Heater MH9B is its sturdy construction. The body is made of durable metal, ensuring longevity and the ability to withstand the rigors of outdoor use. The heater's easy-to-use control knobs are designed for quick adjustments, even when wearing gloves, making it user-friendly in various conditions.

In summary, the Mr. Heater MH9B combines innovative heating technology, safety features, portability, and durable construction, establishing itself as a reliable heating solution for both indoor and outdoor applications. Whether enjoying a camping trip or needing emergency warmth, this heater offers the comfort and efficiency to meet diverse needs.