New Buck Corporation EMBER VISION 100 SERIES Installation Instructions Manual page 23

WARNING:
EQUIPPED WITH A THREE-PRONG GROUNDING PLUG FOR YOUR
PROTECTION AGAINST SHOCK HAZARD AND SHOULD BE PLUGGED
DIRECTLY INTO A PROPERLY GROUNDED THREE-PRONG RECEPTACLE.
WARNING:
Do not use a blower insert, heat exchanger insert or other accessories
not approved for use with this heater.
WARNING:
"The motor is permanently lubricated. Do not add any type of lubricant."
ELECTRICAL GROUNDING INSTRUCTION: THIS APPLIANCE IS
Page 19