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INST
ALLA
TION
TECHNICAL INFORMATION
24
Pump
25
C.h. pressure relief valve
26
Modulation gas valve
27
Primary circuit pressure switch
28
Combustion chamber over heat
29
Flame-detecting electrode
30
Burner
31
Ignition electrodes
32
Combustion chamber
33
Primary heat exchanger
34
Modulation operator
35
Gas valve outlet pressure test point
36
Gas valve inlet pressure test point
37
C.h. expansion tank
38
By-pass valve
39
Fan pressure connection
40
Flue outlet pipe
41
Air intake pipe
Summary of Contents for RIVA PLUS HE 24S ERP
Page 55: ......
