Viessmann Vitocal 300-G Installation And Service Instructions Manual page 134

Parts lists
Assembly, hydraulics
Type BWC 301.A, WWC 301.A
0001 Gasket A 35 x 45 x 2
0002 Spring clip
0003 Air vent valve G⅜
0004 Temperature sensor Pt 500
0005 Gasket A 30 x 44 x 2
0006 Drain & fill valve G⅜
0007 Spring clip D28
0008 Hose, heating water return/DHW
cylinder return
0009 Hose, primary flow (brine inlet)
0010 Line
0011 Secondary flow hose
134
(cont.)
0012 Hose, primary return (brine outlet)
0013 Check valve G 1½
0014 Hose, DHW cylinder flow
0015 Hose, heating water flow
0016 Circulation pump VIRS25/7-3
0017 Circulation pump head VIRS /7-3
0018 High efficiency circulation pump
0019 High efficiency circulation pump
0020 Clip for threaded pipe D 31–35,
M8, EPDM insert
0021 O-ring 28.0 x 2.5
0022 Retainer
0023 Safety assembly