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MCA 15 - MCA 25 MCA 25/28 MI
3.2
Main parts
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3
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5
6
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23/08/2011 - 300024159-001-B
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1
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2
3
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5
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16
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15
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15
T001867-C
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Flue gas discharge pipe
Casing/air box
Outlet for measuring combustion gases
Mixer pipe
Heating flow hose
Air intake silencer
Box for the control PCBs
Combined venturi and gas valve unit
Flow end hydrobloc
Safety valve outlet pipe
Siphon
Control panel
Shunt pump
Return end hydrobloc
Plate heat exchanger (DHW circuit) (Only on models with
domestic hot water production)
3-way valve
Condensate receiver tank
Fan
Heat exchanger (Heating circuit)
Expansion vessel
Ignition/ionization electrode
Air intake
3. Description
10
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