American Standard PLC 75-76 Operation, Installation And Service Manual page 14

TYPICAL INSTALLATION
Min. 1/4 in. rise
per linear feet
Manual Shut-Off Valve
Ground Joint Union
Minimum 4"
Drip Leg & Cap
(Sediment Trap)
Figure 5
9
VENT CONNECTOR
DRAFTHOOD
HOT WATER OUTLET
RATING PLATE
THERMOSTAT
DRIP PAN WITH SUITABLE DRAIN
Hot Water Service
STORAGE TANK
EXPANSION TANK
CHECK
VALVE
Cold Water Supply
SHUT OFF VALVE
COLD WATER INLET
T&P RELIEF VALVE
Use an Expansion Tank in
a closed water system
HAND HOLE
CLEAN OUT
DRAIN VALVE
Discharge to an OPEN DRAIN. DO NOT
thread, cap or plug the end discharge line.
Discharge line should be at least ¾" ID &
pitched for proper drainage to open drain.
6 in Minimum
OPEN DRAIN
Return Line
from service
(when used)