ECR International Utica Boilers SFH IV Installation, Operation & Maintenance Manual page 14

Water oil fired cast iron boiler
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7 - CONNECTING SUPPLY AND RETURN PIPING
Figure #10 - Indirect Water Heater Piping with Circulator
DRAIN VALVE
Figure #11 - Indirect Water Heater Piping with Zone Valve
DRAIN VALVE
14
PN 240012628, Rev. A [09/30/2019]

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