American Water Heater Tankless Water Heater System - Manual (Page 3)

3
Approvals
Certified to applicable U.S.
standards for appliances using
gas or other petroleum fuel.
Certified to applicable Canadian
standards for appliances using
gas or other petroleum fuel.
Certified by the Uniform
Plumbing Code (UPC)
Certified by National Sanitation
Foundation (NSF), www.nsf.org
(indoor models must use the
NSF approved top guard)
Energy efficiency certified by
Gas Appliance Manufacturers
Association (GAMA),
www.gamanet.org
Met the California Energy
Commission (CEC) standards
Approved by the Commonwealth
of Massachusetts
Received New York City’s
Material and Equipment
Acceptance (MEA)
U P
C
EFFICIENCY
HEATING
CERTIFIED
The models listed in this manual have received the following certifications except where noted:
ATI-305-N GTS-305-NI GT-305-NI
ATI-305-P GTS-305-PI GT-305-PI
ATO-305-N GTS-305-NE GT-305-NE
ATO-305-P GTS-305-PE GT-305-PE
ATI-505-N GTS-505-NI GT-505-NI
ATI-505-P GTS-505-PI GT-505-PI
ATO-505-N GTS-505-NE GT-505-NE
ATO-505-P GTS-505-PE GT-505-PE
ATI-705-N GTS-705-NI GT-705-NI
ATI-705-P GTS-705-PI GT-705-PI
ATO-705-N GTS-705-NE GT-705-NE
ATO-705-P GTS-705-PE GT-705-PE
ATI-705A-N GTS-705-NIA AGT-705-NI
ATI-705A-P GTS-705-PIA AGT-705-PI
ATO-705A-N GTS-705-NEA AGT-705-NE
ATO-705A-P GTS-705-PEA AGT-705-PE