5
Hydronic piping
Figure 5-4 Single Boiler - Alternate - Fixed or Variable Flow Primary System Piping
FROM SYSTEM
Y-STRAINER
(RECOMMENDED)
PRESSURE REDUCING VALVE
(OPTIONAL)
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
NOTICE
for all equipment. The installer must follow all manufacturer's instructions for each system component. The
installer is responsible for compliance with local codes.
32
RELIEF
VALVE
BALL VALVE
(TYPICAL)
BOILER DRAIN
BYPASS
EXPANSION
TANK
PRESSURE
PRESSURE
REDUCING VALVE
GAUGE
Installation & Operation Manual
AIR SEPERATOR
DRAIN PORT
(TYPICAL)
SYSTEM
CIRCULATOR
BACK FLOW
PREVENTER
TO SYSTEM
MAKE UP
WATER
IMG01038