Reference dimensions are ± 10%
All dimensions are ± 1"
MM/DD/YY MM/DD/YY
1/2"=1'
Custom
Dwg No.
Customer / Job name:
Scale:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
AE 09/17/10
Schematic Piping Diagram
PID (1)HWD to (1)HET
CW
HWR
HWS
CD
HWR
HET
ET
WH
CD
CNK
To System
From System
Make-up
Water
CW
TS
CW
HWR Hot Water Return
HWS Hot Water Supply
CD Condensate Drain
WH Water Heater with Stand
CNK Condensate Neutralizer
HET
Storage Tank
ET Expansion Tank
CW Cold Water
Pump
Ball valve
Check valve
Flow direction
Pressure Relief valve
Thermometer
Aquastat
Drain valve
Air vent
Ball Valve with built-in Drain
Valve
Gas cock
Floor drain
Temperature Sensor
TS
LEGEND
Reference dimensions are ± 10%
All dimensions are ± 1"
MM/DD/YY MM/DD/YY
1/2"=1'
Custom
Dwg No.
Customer / Job name:
Scale:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
Description:
Date:Drawn/
Revised by:
Checked/
Apv. by:
Revision:
AE 09/17/10
Schematic Piping Diagram
PID (1)HWD to (1)HET & TMV
CW
HWR
TWR
TWS
HWS
CW
HWS
CD
HWR
TWR
TMV
HET
ET
WH
CD
CNK
To SystemFrom System
Make-up
Water
CW
TS
LEGEND
HWR
Hot Water Return
HWS Hot Water Supply
CD Condensate Drain
WH Water Heater with Stand
Pump
Ball valve
Check valve
Flow direction
Pressure Relief valve
CNK Condensate Neutralizer
HET
Storage Tank
Termostatic Mixing Valve
Thermometer
TMV
TWR Tempered Water Return
TWS
Tempered Water Supply
ET Expansion Tank
Drain valve
Air vent
Ball Valve with built-in Drain
Valve
Gas cock
CW Cold Water
TS
Temperature Sensor
Aquastat
Floor drain
CW
From TankTo Tank
31
PART 5. PIPING
F. WATER HEATING SCHEMATIC DRAWINGS
One water heater
schematic to single tank
One water heater
schematic to single tank
with mixing valves
IMPORTANT NOTE: The above are representative drawings; must conform to local codes. Consult factory for
Custom System Solutions.
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