American Water Heater High Efficiency Commercial Gas HCG Series AHCG3 119T 300 THRU AHCG3 119T 500 Series 200 201 User Manual

71
4. See Closed Systems and Thermal Expansion on page 14.
5.  See Water Line Connections on page 41.
6.  If a pump is being installed between a water heater and storage tank or on a building 
recirculation loop wire according to Figure 59 on page 67.
7.  If  a  pump  is  being  installed  in  a  recirculation  loop  between  the  water  heater  and  a 
commercial dishwasher wire according to Figure 60 on page 67.
WATER PIPING DIAGRAMSBefore installation of water piping review the following:
1. See...

72
4. See Closed Systems and Thermal Expansion on page 14.
5.  See Water Line Connections on page 41.
6.  If a pump is being installed between a water heater and storage tank or on a building 
recirculation loop wire according to Figure 59 on page 67.
7.  If  a  pump  is  being  installed  in  a  recirculation  loop  between  the  water  heater  and  a 
commercial dishwasher wire according to Figure 60 on page 67.
WATER PIPING DIAGRAMSBefore installation of water piping review the following:
1. See...

73
4. See Closed Systems and Thermal Expansion on page 14.
5.  See Water Line Connections on page 41.
6.  If a pump is being installed between a water heater and storage tank or on a building 
recirculation loop wire according to Figure 59 on page 67.
7.  If  a  pump  is  being  installed  in  a  recirculation  loop  between  the  water  heater  and  a 
commercial dishwasher wire according to Figure 60 on page 67.
WATER PIPING DIAGRAMSBefore installation of water piping review the following:
1. See...

74
4. See Closed Systems and Thermal Expansion on page 14.
5.  See Water Line Connections on page 41.
6.  If a pump is being installed between a water heater and storage tank or on a building 
recirculation loop wire according to Figure 59 on page 67.
7.  If  a  pump  is  being  installed  in  a  recirculation  loop  between  the  water  heater  and  a 
commercial dishwasher wire according to Figure 60 on page 67.
WATER PIPING DIAGRAMSBefore installation of water piping review the following:
1. See...

75
 EFFECTIVE
For 3 Years, in the event of a tank leak, we will repair or, at our 
discretion, replace the defective water heater.
For 1 Year, in the event of part failure, we will repair or, at our 
discretion, replace the defective part.
We  warrant  this  product  against  defects  in  materials  or 
workmanship  as  described  in  this  document  if  installed  within 
the United States or Canada and provided the product remains 
at its original place of installation.
Warranty coverage begins the...

P.O. Box 1597, Johnson City, TN 37605
Phone: 800-456-9805 • Fax: 800-999-5210 www.americanwaterheater.com
Copyright © 2015 American Water Heater Company. All rights reserved.www. americanwaterheate r.co m
American Wa ter Heater
Johnson Cit y, TN 37605