Installation & Operation Manual
6 Hydronic piping (continued)
Figure
ZONE #1
PRESSURE |
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REDUCING VALVE |
| GAUGE |
BACKFLOW
PREVENTER
MAKE UP |
WATER |
SYSTEM SUPPLY SENSOR
AIR SEPARATOR 
EXPANSION 
TANK
ZONE #2 ZONE #3 ZONE #4
FLOW CHECK VALVE (TYPICAL)
ZONE CIRCULATORS (TYPICAL)
DRAIN POINT 
(TYPICAL)
DOMESTIC | HOT |
HOT WATER | WATER |
CIRCULATOR | OUT |
BALL VALVE | |
(TYPICAL) | MIXING VALVE |
COLD
WATER
IN
PRESSURE |
RELIEF VALVE |
UNION (TYPICAL)
BOILER |
NOTICE
NOTICE
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It is the responsibility of the installer to ensure that the minimum flow requirements of the boiler are met at all times during boiler operation. If the minimum flow requirements cannot be met at any time the boiler must be hydraulically separated from the system.
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.
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