
11
CONNECTING SUPPLY & RETURN PIPING
TANK
SYSTEM
CIRCULATOR
CIRCULATOR
REDUCED PRESSURE
BACKFLOW PREVENTER
FLOW CONTROL
OR CHECK VALVE
OUTLET
HOT WATER
TRAP
THERMAL
WIRING FOR
THERMOSTAT/
PUMP CONTROL
INLET
COLD WATER
RELIEF VALVE
DRAIN COCK
6"
6"
WATER
FEED
PRESSURE
REDUCING
VALVE
GATE
VALVE
Figure #9
CIRCULATOR
DRAIN COCK
RELIEF VALVE
HOT WATER
OUTLET
THERMAL
TRAP
PUMP CONTROL
WIRING FOR
THERMOSTAT/
SYSTEM RETURN
PIPING
INLET
COLD WATER
VALVE
TANK ZONE
6"
6"
PRESSURE
REDUCING
VALVE
BACKFLOW PREVENTER
REDUCED PRESSURE
GATE VALVE
Figure #10
ALL INSTALLATIONS OF BOILERS AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND
IN ACCORDANCE WITH THE APPROPRIATE INSTALLATION MANUAL. INSTALLING OR VENTING A BOILER
OR ANY OTHER GAS APPLIANCE WITH IMPROPER METHODS OR MATERIALS MAY RESULT IN SERIOUS
INJURY OR DEATH DUE TO FIRE OR TO ASPHYXIATION FROM POISONOUS GASES SUCH AS CARBON
MONOXIDE WHICH IS ODORLESS AND INVISIBLE.
WARNING
!