Water connections, Primary / secondary piping, Installation & service manual – Lochinvar 45 User Manual
Page 29
Primary / Secondary Piping
SOLUTION
BOILER
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
TEMPERATURE / PRESSURE
GAUGE
AIR
SEPARATOR
EXPANSION
TANK
BALL VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP WATER
FROM
SYSTEM
12"
NOT TO EXCEED
APART
BOILER
CIRCULATOR
SYSTEM
CIRCULATOR
TO
SYSTEM
SYSTEM SUPPLY
SENSOR
DRAIN
Y-STRAINER
(RECOMMENDED)
Figure 4-4_Primary / Secondary Piping of a Single Boiler
4
Water connections
(continued)
29
Installation & Service Manual
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