■ Boiler drain & fill valve
■ Air vent valve
■ Pressure gauge
■ Gas shut-off valve
Connections
(male thread)
Gas shut-off valve
R
¾
Heating flow/heating return (ex-
ternal diameter)
Ø mm
20
Cold water/DHW (external diam-
eter)
Ø mm
16
Valves/fittings
Valves/fittings for surface mounting
Part no. ZK04933
Comprising:
■ Valves/fittings, heating flow/heating return
■ Diaphragm safety valve 10 bar (1 MPa)
■ Valves/fittings, cold water/DHW
■ Boiler drain & fill valve
■ Air vent valve
■ Pressure gauge
■ Gas shut-off valve with thermally activated safety shut-off valve
Connections
(male thread)
Gas shut-off valve
R
¾
Heating flow/heating return
R
¾
Cold water/DHW
R
½
Valves/fittings for flush mounting
Part no. ZK04934
Comprising:
■ Valves/fittings, heating flow/heating return
■ Diaphragm safety valve 10 bar (1 MPa)
■ Valves/fittings, cold water/DHW
■ Boiler drain & fill valve
■ Air vent valve
■ Pressure gauge
■ Gas shut-off valve with thermally activated safety shut-off valve
■ Mounting plate, flush mounting
Connections
(male thread)
Gas shut-off valve
R
¾
Heating flow/heating return
R
¾
Cold water/DHW
R
½
Sub-mounting kit with mixer
Surface mounting
Sub-mounting kit
Part no. ZK04935
Comprising:
■ Plate heat exchanger for system separation of the heating circuit
with mixer
■ Variable speed high efficiency circulation pump for the heating cir-
cuit with mixer
■ 3-way mixer with mixer motor
■ Mixer PCB, capable of communicating with the control unit via
PlusBus
■ Valve for regulating the flow rates of both heating circuits
■ Adjustable bypass
■ Flow temperature sensor
■ Cover with same design as the wall mounted boiler
■ Installation template for quick and easy installation
Note
Order a pre-plumbing jig separately in addition to the sub-mounting
kit.
Installation accessories
(cont.)
72
VIESMANN
VITODENS
7
5853906
Содержание Vitodens 200-W B2HE
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