Installation Accessories For Vitodens 222-W - Viessmann Vitodens 300-W Technical Manual

Installation accessories

5.2 Installation accessories for Vitodens 222-W

Pre-plumbing jig for finished walls
■ Diaphragm safety valve 10 bar (1 MPa)
Part no. 7248 408
■ a Diaphragm safety valve 6 bar (0.6 MPa)
Part no. 7248 406
Comprising:
■ Fixings
■ Valves/fittings
■ Angle gas valve with thermally activated safety shut-off valve
■ Safety valve on the DHW side
■ Pipe bends
Connections (male thread)
Gas shut-off valve
Heating water flow/return
Hot water/cold water
Pre-plumbing jig for installation on unfinished walls
■ Diaphragm safety valve 10 bar (1 MPa)
Part no. 7248 401
■ a Diaphragm safety valve 6 bar (0.6 MPa)
Part no. 7248 400
Comprising:
■ Fixings
■ Valves/fittings
■ Angle gas valve with thermally activated safety shut-off valve
■ Safety valve on the DHW side
■ Connection pieces
Connections (male thread)
Gas shut-off valve
Heating water flow/return
5
Hot water/cold water
Further accessories
Valve/fittings cover
Part no. 7438 340
Neutralising system
Part no. 7252 666
With neutralising granulate
310
VIESMANN
54
(cont.)
R
R
R
R
R
R
DN 40
½
¾
½
½
¾
½
Neutralising granulate
Part no. 9524 670
2 x 1.3 kg
Safety assembly to DIN 1988
Comprising:
■ Shut-off valve
■ Non-return valve and test connector
■ Pressure gauge connector
■ Diaphragm safety valve
■ 10 bar (1 MPa), DN 15
Part no. 7219 722
■ a 6 bar (0.6 MPa), DN 15
Part no. 7265 023
VITODENS