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System piping – Lochinvar Shield SNA285-125 User Manual

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System piping

FLOW CHECK
VALVE (TYPICAL)

BALL VALVE
(TYPICAL)

EXPANSION

TANK

THERMOMETER

(TYPICAL)

COLD

WATER

SUPPLY

140° HOT

WATER

SUPPLY

HIGH TEMPERATURE

BUILDING RETURN

UNION
(TYPICAL)

LOW TEMPERATURE

BUILDING RETURN

180° HOT

WATER

SUPPLY

MIXING
VALVE

Figure 6-4 Two Temperature - Single Unit

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