Installation & Service Manual
33
SOLUTION
BOILER
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
TEMPERATURE / PRESSURE
GAUGE
AIR
SEPARATOR
EXPANSION
TANK
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
MAKE UP WATER
FROM
SYSTEM
BOILER
CIRCULATOR
SYSTEM
CIRCULATOR
TO
SYSTEM
SYSTEM SUPPLY
SENSOR
DRAIN
Y-STRAINER
(RECOMMENDED)
3-WAY VALVE W/BYPASS PIPE
Figure 4-8_Single Boiler Full System Flow with Low Temperature Bypass
Full System Flow
4 Water connections (continued)