Viessmann WB2B 45 - Boiler Connections; Preparing the Connections; Connections Overview

Boiler Connections
11
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
BWR Boiler Water Return, 1¼” NPTF
BWS Boiler Water Supply, 1¼” NPTF
BD Boiler Drain
CD Condensate Discharge tubing,1”
GC Gas Connection, 1” NPTM
PRV Pressure Relief Valve
BF Boiler Fill
* G 1½” to 1¼” NPT adaptor
and gasket
5418 909 v1.6
BWS
BWR
CD
PRV
BD
} }
*
*
GC
BF
Fig. 3 Piping connections for Vitodens 200-W, WB2B 45, 60