Install Instructions

38
5 System piping
EXPANSION
TANK
LOW TEMPERATURE
BUILDING RETURN
SYSTEM
CIRCULATOR
(TYPICAL)
C
OLD WATER
SUPPLY
FLOW CHECK VALVE
(TYPICAL)
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
MIXING VALVE
IMG00474
140° HOT
WATER SUPPLY
180° HOT
WATER SUPPLY
THERMOMETER
(TYPICAL)
HIGH TEMPERATURE
BUILDING RETURN
Figure 5-4 Two Temperature - Single Unit
Installation & Service Manual
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE