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Zoned with Pumps
This drawing is meant to show system piping concept only.
Installer is responsible for all equipment & detailing required by local codes.
Refer to pages 22-25 for electrical wiring instructions.
PRESSURE
REDUCING VALVE
BACKFLOW
PREVENTER
MAKE UP WATER
AIR SEPARATOR
BALL VALVE
(TYPICAL)
DRAIN POINT
(TYPICAL)
18
PRESSURE
GAUGE
EXPANSION
TANK
NOT TO EXCEED 12" APART
PRIORITY 2
PUMP
SAFETY
RELIEF VALVE
(ACCESSORIES)
TEMPERATURE /
DRAIN
PRESSURE
GAUGE
(ACCESSORIES)
ZONE 1
ZONE 2
UNION
(TYPICAL)
BOILER
ZONE 3
ZONE 4
ANTI-SCALD
MIXING VALVE
PRIORITY 1
PUMP
INDIRECT
DHW TANK
FLOW CHECK
VALVE
(TYPICAL)
ZONE PUMPS
(TYPICAL)
HOT
WATER
OUT
COLD
WATER
IN
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