Viessmann Vitocal 300-G Installation And Service Instructions Manual page 87

Hydraulics, type BWC 301.B
Pos. Part
0001 Gasket A 35 x 45 x 2 mm
0002 Spring clip, sensor
0003 Air vent valve G
0004 Temperature sensor Pt500A
0005 Gasket A 30 x 44 x 2 mm
0006 Drain & fill valve G
0007 Spring clip D28
0008 Hose, heating water return/DHW cylinder return
0009 Hose, primary circuit flow (brine inlet)
0010 Line
0011 Hose, secondary circuit flow
0012 Hose, primary circuit return (brine outlet)
0013 Check valve G 1
0014 DHW cylinder flow hose
0015 Heating water flow hose
0016 High efficiency circulation pump with PWM signal (UPML 25-85, 180)
0017 High efficiency circulation pump with PWM signal (UPM2 25-75, 180)
0018 High efficiency circulation pump (Stratos PARA 25/1-7, 180)
0019 Clip for threaded pipe D 26
0020 Clip for threaded pipe D 31
0021 O-ring 28.0 x 2.5 mm
0022 Retainer (2 pce)
0023 Safety assembly
(cont.)
⅜
⅜
½
28, M8, EPDM insert
–
35, M8, EPDM insert
–
Parts lists, type BWC 301.B
87