FULL PORT
BALL VALVE
SYSTEM
PUMP
SYSTEM
RELIEF VALVE
TEE
ELBOW
UNION
EXPANSION
TANK
CHECK
VALVE
THERMOMETER
L E G E N D
PIPING DIAGRAM
TWO TEMPERATURE INSTALLATION - SINGLE HEATER-SINGLE TANK
HIGH TEMPERATURE
BUILDING RETURN
LOW TEMPERATURE
BUILDING RETURN
DRAIN
INLET
OUTLET
COLD WATER
SUPPLY
140
0
F HOT
WATER SUPPLY
180
0
F HOT
WATER SUPPLY
LOCK-TEMP
STORAGE TANK
LOCHINVAR
WATER HEATER
MIXING
VALVE
CHECK VALVE
RELIEF
VALVE
LIT0136
A3
L o c h i n v a r
D E S I G N E R
’
S
G U I D E
C O P P E R
-
F I N
I I
W A T E R
H E A T E R
6 1 5 - 8 8 9 - 8 9 0 0
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.