TROUBLESHOOTING INFORMATION:

If Spark electrode does not produce spark.

CHECK

Spark electrode broken – replace.

Igniter wire may not be attached to spark electrode, ground wire may not be attached to frame - attach.

Igniter wire damaged – replace.

Piezo igniter defective – replace.

If Spark electrode produces spark but pilot does not light.

CHECK

No gas to heater – install disposable cylinder or connect hose and turn on valve at remote cylinder.

“PILOT” position not properly aligned – turn gas control knob to “PILOT” position and depress.

Pilot is blocked from spider web or dirt – clean pilot, see MAINTENANCE.

If Pilot flame does not stay lit when knob is released.

CHECK

Control knob in “PILOT” position not completely depressed or held in long enough to purge air from lines.

Pilot flame not surrounding thermocouple – clean pilot, see MAINTENANCE.

Pilot Assembly defective – replace.

If Main burner does not ignite.

CHECK

Main burner orifice is blocked – clean burner, see MAINTENANCE.

If Heater keeps shutting “OFF” during normal operation.

CHECK

Pilot is blocked – clean pilot, see

MAINTENANCE.

Provide minimum fresh air opening of 9 square inches (example 3” x 3” opening).

Tip over switch activated from bumping heater. Re-light

PARTS LIST:

SEE BACK PAGE FOR PARTS ORDERING INFORMATION

REF. #

ITEM #

DESCRIPTION

 

 

 

1

73234

PIEZO IGNITER

2

73236

WIRE, IGNITER

3

73237

WIRE, GROUND

4

73405

COVER, RH PLASTIC

5

73418

KNOB, FUEL CONTROL

6

73423

COVER, FRONT

7

73424

COVER, REAR

8

73426

COVER, LH PLASTIC

9

73428

(2) BASE SUPPORT TUBES

10

73449P

GUARD, WIRE

11

73452

HANDLE TUBE

12

98959

SCREW, BURNER MT.

13

11410

REGULATOR

14

73432

OWNER’S MANUAL

 

 

(Required when ordering parts.)

15

73416

CONTROL VALVE

16

73404

PILOT ASSEMBLY

17

73403

TIP SWITCH

18

73413

ORIFICE, BURNER

19........... 71113 ........... O-RING, BURNER ORIFICE

20........... 73446 ........ COMPLETE BURNER ASSEMBLY (Includes assembled items 21- 25)

21........... 73458 ......... PLENUM, BURNER

22........... 73429 ......... (2) CLIP, BUNER TILE

23........... 73433 ......... GASKET, BURNER TILE

24

73439

BURNER TILE

25

73460

REFLECTOR, BURNER

ACCESSORIES:

ITEM # DESCRIPTION

F273701 5 ft. PROPANE HOSE ASSEMBLY (Swivel 1”-20 Male Throwaway Cyl. Thd. X P.O.L. w/ Handwheel)

F273702 12 ft. PROPANE HOSE ASSEMBLY (Swivel 1”-20 Male Throwaway Cyl. Thd. X P.O.L. w/ Handwheel)

Mr. Heater Portable Buddy

6

Operating Instructions and Owner’s Manual

Page 6
Image 6
Enerco MH9B owner manual Troubleshooting Information, Parts List, Accessories Item # Description

MH9B specifications

The Enerco MH9B is a versatile and portable propane-powered heater designed to deliver efficient warmth in various settings such as garages, construction sites, and outdoor events. Renowned for its robust design and reliable performance, the MH9B has become a top choice for users looking for a reliable heating solution.

One of the standout features of the MH9B is its exceptional heat output. With an impressive heating capacity of up to 9,000 BTUs, this heater can effectively warm spaces up to 225 square feet. This makes it suitable for both indoor and outdoor use, providing comfort in chilly conditions.

The MH9B is equipped with advanced safety features to ensure user protection and peace of mind. It includes an automatic shut-off functionality that activates if the heater is tipped over, as well as a built-in oxygen depletion sensor that will shut the unit off if oxygen levels drop too low. These safety measures are crucial, especially when using the heater in enclosed spaces.

In terms of design, the Enerco MH9B boasts a compact and lightweight structure. Weighing only about 9 lbs, it is highly portable, allowing users to transport it easily from one location to another. The integrated handle further enhances its portability, making it simple to carry and move as needed.

The operation of the MH9B is straightforward. It utilizes a standard 1-pound propane bottle, which is readily available and easy to replace. Users can expect a burn time of approximately 3 hours on the highest setting, making it a practical choice for both short-term and extended heating needs.

Additionally, the heater incorporates a durable, rugged construction designed to withstand the rigors of work and outdoor environments. The powerful flame and adjustable heat settings allow users to customize their heating experience, whether for warming a workshop or providing comfort during outdoor gatherings.

Overall, the Enerco MH9B is an effective and user-friendly propane heater. Its combination of high heat output, portability, and safety features makes it an ideal choice for anyone in need of reliable heating, whether indoors or outside. Whether for professional use on job sites or for personal enjoyment during outings, the MH9B continues to be a trusted solution for warmth in diverse conditions.