L o c h i n v a r
D E S I G N E R
’
S G U I D E E F F I C I E N C Y
+
W A T E R H E A T E R
6 1 5 - 8 8 9 - 8 9 0 0
A5
FULL PORT
BALL VALVE
SYSTEM
PUMP
SYSTEM
RELIEF VALVE
TEE
ELBOW
UNION
EXPANSION
TANK
CHECK
VALVE
REDUCING
TEE
REDUCING
TEE
L E G E N D
PIPING DIAGRAM
TWO HEATERS - TWO TANKS
“C”
“B”
BUILDING
RETURN
LOCHINVAR WATER HEATERS
COLD WATER
SUPPLY
LOCK-TEMP
STORAGE
TANK
DRAIN
INLET
OUTLET
OUTLET
BUILDING
HOT WATER
SUPPLY
INCREASE MANIFOLD
SIZE IN DIAMETER FROM
HERE TO POINT “B”
INCREASE MANIFOLD
SIZE IN DIAMETER FROM
HERE TO POINT “C”
THERMOMETER
This illustration is for concept only and should not be used for any actual installation without engineering
or technical advice from a licensed engineer. All necessary equipment may not be illustrated.
COMMON WATER MANIFOLD PIPE SIZE FOR MULTIPLE WATER HEATER INSTALLATIONS
QUANTITY OF WATER HEATERS
MANIFOLD PIPE SIZE
1
2
”
2
3
”
3
3
1
/
2
”
4
4
”
5
5
”
6
6
”
RELIEF
VALVE
