UGT Series Manual
29
Direct Vent Tankless Water Heater
Operation Instructions
Important Facts about your Water Heater
Thank you for purchasing a Giant Tankless Water Heater. For proper operation and safety, it is
important to follow the instructions and adhere to the safety precautions.
Read all of the instructions and the warranty thoroughly before operating this water heater. Keep this
manual in a safe place.
NOTICE: Giant sometimes shares customer contact information with businesses that we believe provide
products or services that may be useful to you. By providing this information, you agree that we can
share your contact information for this purpose. If you prefer not to have your information shared with
these businesses, please contact customer service and ask not to have your information shared. We
will however, continue to contact you with information relevant to the product(s) you registered and/or
you account with us.
— 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
Leave the premises.
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
instructions.
If you cannot reach your gas supplier, call the fire department.
— Installation and service must be performed by a licensed professional.
If the information in these instructions is not followed exactly, a fire or
explosion may result causing property damage, personal injury or death.
WARNING
FOR INDOOR APPLICATIONS ONLY
UGT-199N
UGT-199P
UGT-180N
UGT-180P