Primary / Secondary Piping - Lochinvar SOLUTION 260000 Installation & Service Manual

4
Water connections

Primary / Secondary Piping

Figure 4-4_Primary / Secondary Piping of a Single Boiler
BACKFLOW
PREVENTER
MAKE UP WATER
TO
SYSTEM
BALL VALVE
(TYPICAL)
(continued)
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
SYSTEM SUPPLY
SENSOR
SYSTEM
CIRCULATOR
EXPANSION
TANK
DRAIN POINT
(TYPICAL)
(TYPICAL)
TEMPERATURE / PRESSURE
AIR
SEPARATOR
NOT TO EXCEED 12"
BOILER
CIRCULATOR
(RECOMMENDED)
UNION
DRAIN
GAUGE
PRESSURE
RELIEF VALVE
Installation & Service Manual
FROM
SYSTEM
APART
Y-STRAINER
SOLUTION
BOILER
29