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Hydronic piping, Installation & operation manual – Lochinvar KNIGHT 51 User Manual

Page 43

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Installation & Operation Manual

43

6

Hydronic piping

(continued)

BOILER

INDIRECT

DHW TANK

DOMESTIC

HOT WATER

CIRCULATOR

ANTI-SCALD

MIXING VALVE

COLD

WATER

IN

TEMPERATURE /

PRESSURE

GAUGE

AIR SEPARATOR

BALL VALVE

(TYPICAL)

UNION

(TYPICAL)

PRESSURE

RELIEF VALVE

DRAIN POINT

(TYPICAL)

MAKE UP WATER

HOT

WATER

OUT

BOILER

CIRCULATOR

BACKFLOW

PREVENTER

PRESSURE

REDUCING VALVE

PRESSURE

GAUGE

EXPANSION

TANK

ZONE VALVES

(TYPICAL)

FLOW CHECK

VALVE

DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)

SYSTEM

CIRCULATOR

SYSTEM SUPPLY

SENSOR

DRAIN

Y-STRAINER
(RECOMMENDED)

MAY SUBSTITUTE LOW LOSS HEADER

ZONE #1

ZONE #2

ZONE #3

ZONE #4

Figure 6-8 Single Boiler Zoned with Valves

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.

NOTICE