676 Broadway Street
Dayton, Tennessee 37321
423-775-2131
www.AIRXCEL.com
PN: 205881
05-19-2020
SUBURBAN GAS FURNACES
USER’S INFORMATION MANUAL
For Models
SF-20Q • SF-25Q • SF-30Q • SF-35Q • SF-42Q
SF-20FQ • SF-25FQ • SF-30FQ • SF-35FQ • SF-42FQ
SFV-35Q • SFV-42Q • SFV-35FQ • SFV-42FQ
SH-35 • SH-42 • SH-35F • SH-42F
SF-20VHQ • SF-20VHFQ • SF-25VHQ • SF-25VHFQ
SF-30VHQ • SF-30VHFQ • SF-35VHQ • SF-35VHFQ
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 REFERENCE.
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
FIRE, EXPLOSION AND
ASPHYXIATION HAZARD
Improper adjustment, alteration, service,
maintenance or installation can cause serious
injury or death.
Read and follow instructions and precautions
in User’s Information Manual provided with
this furnace. Installation and service must be
performed by a qualified service agency or the
gas supplier.
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
FIRE OR EXPLOSION HAZARD
Failure to follow safety warning exactly
could result in serious injury, death or
property damage.
— 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
• 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.
ANSI Z21.47-2016 | CSA 2.3-2016