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Water Connections continued-
CONNECT WATER BOILER SUPPLY PIPING
1. For a space heating system that utilizes ZONE VALVES, refer
to Figure 3. The indirect-fired water heater connection labeled
"FROM BOILER SUPPLY" should be piped to the boiler
supply piping. Mount the circulator making sure the flow
arrow points toward the water heater. The use of shut-off
valves and unions are recommended for future service
convenience. The use of an air separator and vent is
recommended to eliminate air in the system. Pipe and fittings
between the boiler and indirect-fired water heater must be ¾"
diameter or larger.
2. For a space heating system that utilizes CIRCULATORS, refer
to Figure 4. The indirect-fired water heater connection labeled
"FROM BOILER SUPPLY" should be piped to the boiler
supply piping. Mount the circulator making sure the flow
arrow points toward the water heater. The use of shut-off
valves and unions are recommended for future service
convenience. The use of an air separator and vent is
recommended to eliminate air in the system. Pipe and fittings
between the boiler and indirect-fired water heater must be ¾"
diameter or larger.
Figure 3 - Water Boiler Piping with Zone Valves
21
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