Revision: I-UBX-UBZ-UDX-UDZ (03-21) 1034344-0
UNIT HEATER INSTALLATION/OPERATION/MAINTENANCE
Supersedes: — (Original Version)
MODEL UBX: STANDARD POWER VENT BLOWER TYPE
MODEL UBZ: SEPARATED-COMBUSTION BLOWER TYPE
MODEL UDX: STANDARD POWER VENT FAN TYPE
MODEL UDZ: SEPARATED-COMBUSTION FAN TYPE
⚠ DANGER ⚠
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could result in serious injury, death, or property
damage.
• Improper installation, adjustment, alteration, service, or maintenance can cause serious injury,
death, or property damage.
• Installation and service must be performed by a qualified installer, service agency, or the gas
supplier.
• 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.
• Leave the building immediately.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the fire department.
DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.