Suburban SH-42 User Manual

SUBURBAN MANUFACTURING COMPANY
676 Broadway Street
Dayton, Tennessee 37321
USER’S INFORMATION MANUAL
For Models
SF-20 • SF-25 • SF-30 • SF-35 • SF-42
SF-20F • SF-25F • SF-30F
SF-35F • SF-42F
SFV-20 • SFV-25 • SFV-30 • SFV-35
SFV-42
SFV-20F • SFV-25F • SFV-30F
SFV-35F • SFV-42F
SH-35 • SH-42 • SH-35F • SH-42F •
SHD-2542
This book contains instructions covering the operation and
maintenance of your furnace. Keep with unit at all times.
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFRENCE.
Should you require further information, contact your dealer or nearest
Suburban Service Center.
WARNING! Installation of this appliance
must be made in accordance with the
written instructions provided in this
manual. No agent, representative or
employee of Suburban or other person
has the authority to change, modify or
waive any provision of the instructions
contained in this manual.
WARNING! Improper installation,
adjustment, alteration, service or
maintenance can cause property damage,
personal injury or loss of life. Refer to the
installation instructions and/or owners
manual provided with this appliance.
WARNING! Be sure the furnace and all
ignition systems are “OFF” during any
type of refueling and while vehicle is in
motion or being towed.
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
• Extinguish any open flame.
• Evacuate all persons from the vehicle.
• Shut off the gas supply at the gas
container or source.
• Do not touch any electrical switch, or
use any phone or radio in the vehicle.
• Do not start the vehicle’s engine or
electric generator.
• Contact the nearest gas supplier or
qualified service technician for repairs.
• If you cannot reach a gas supplier or
qualified service technician, contact the
nearest fire department.
• Do not turn on the gas supply until the
gas leak(s) has been repaired.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.

Suburban SH-42 Specifications

General

BTU/h	42, 000
Ignition	Direct Spark Ignition
Input BTU	42, 000
Voltage	12V DC
Fuel Type	Propane

Summary

Maintenance and Cleaning

Periodic Vent and Burner Inspection

Regularly inspect furnace venting for obstructions and soot. Observe burner flame for proper blue color, indicating correct combustion.

Furnace Area and Airflow Maintenance

Keep the furnace area clear of combustibles and ensure unobstructed airflow for combustion and circulation.

Safety Precautions During Operation

Never operate with gas smell, blocked vents, or restricted airflow. Address erratic cycling or ignition delays immediately.

Service and Repair Guidelines

Never attempt self-repair; use only factory authorized parts. Contact qualified agencies for all servicing and repairs.

Annual Furnace Inspection Checklist

Yearly inspection of furnace installation, venting, chambers, gaskets, and piping by a qualified service agency.

Operating Instructions and Safety

Pre-Operation Safety Checks

Read manual, check for gas leaks, ensure proper valve operation, and follow ignition sequence carefully.

Furnace Startup Procedure

Set thermostat, allow purge cycle, then move to desired setting. Wait for ignition. Repeat startup if necessary.

Troubleshooting Ignition Issues

If burner fails to light after three attempts, shut down and contact a service agency. Do not force ignition.

Turning Off Gas Supply

Set thermostat to lowest setting, then to 'OFF'. Turn off manual valve or LP tank valve.

Limited Warranty Information

Two Year Limited Warranty

Covers defects in material and workmanship for two years from purchase. Owner must establish warranty period.

Three Year Limited Warranty on Heat Exchanger

Extends warranty for heat exchanger defects for an additional three years; labor is not included.

Warranty Limitations and Exclusions

Excludes normal maintenance, incorrect installation, misuse, unauthorized alterations, and external damage.

Product Problem Resolution Process

Steps for resolving product issues: check RV manufacturer warranty, contact Suburban Service Center, or call customer service.