Technical data

Boiler Connections

Preparing the Connections

Connections overview

Use an approved pipe sealant or teflon tape when connecting the following installation fittings.

This section constitutes an overview only! Refer to subsequent sections for detailed information on individual piping

connections.

Legend

BR Boiler Return ¾“ (NPT)

BS Boiler Supply ¾“ (NPT)

BD Boiler Drain

CD Condensate Discharge tubing

GC Gas Connection ¾“ (NPT)

PRV Pressure Relief Valve ¾“ (NPT)

BF Boiler Fill

PG Pressure Gauge

EXT Extension Adaptors, ¾“ (NPT)

5369 297 v1.6

PRV

Fig. 3 Piping connections for Vitodens 200-W, WB2B 19, 26, 35

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