HTP EFT-399 User Manual
Page 22
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22
LP-387 REV. 6.10.14
Figure 7
– Near Boiler Piping* –
NOTE: This drawing is meant to show system piping concept only. Installer is responsible for all
equipment and detailing required by local codes. *Top / Bottom Supply / Return Connections available on EFT-155, EFT-199, EFT-285, and
EFT-399 Models ONLY
NOTE: In piping applications utilizing a single zone, it is recommended that the installer use flow / check valves with weighted seats at
or near the boiler to prevent gravity circulation.
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