Water Piping Diagrams

Before installation of water piping review the following:

1.See Mixing Valves on page 14.

2.See Dishwashing Machines on page 14.

3.See Temperature-Pressure Relief Valve on page 15.

4.See Closed Systems and Thermal Expansion on page 14

5.See Water Line Connections on page 40.

6.If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66.

7.If a pump is being installed in a recirculation loop between the water heater and a commercial dishwasher wire according to Figure 63 or Figure 64 on page 66.

FOUR WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION

LEGEND

73

WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.

TEMPERATURE & PRESSURE RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK OR LINE TEMPERATURE CONTROL

DRAIN

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

HOT WATER

OUTLET

PIPE T&P TO

OPEN DRAIN

FINISHED

FLOOR

PIPE T&P TO OPEN DRAIN

PIPE T&P TO OPEN DRAIN

 

LINE TEMPERATURE

 

CONTROL

PIPE T&P TO

HOT WATER

OPEN DRAIN

RETURN

 

COLD WATER

SUPPLY

EXPANSION

TANK

Page 73
Image 73
American Water Heater HCG3 130T 300 instruction manual HOT Water Outlet Pipe T&P to Open Drain Finished Floor