VENT-FREE HEATER
OWNER’S OPERATION AND
INSTALLATION MANUAL
Save this manual for future reference.
Save this manual for future reference.
For more information, visit www.desatech.com
For more information, visit www.desatech.com
TM
RFN30TA
RFP30TA
VMH3000TNA
VMH3000TPA
15,000 to 30,000 Btu/Hr
with Thermostat
Shown with Optional
Mantel Which Features
a Built-in Base
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 any 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 in-
structions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For as-
sistance or additional information
consult a qualified installer, ser-
vice agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion must be provided.
Refer to
Air For Combustion and
Ventilation section on page 5 of
this manual.
This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile)
home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appli-
ance is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer