6
2.2 Internal Structural Diagram
Flue exhaust
Heat exchanger
Air pressure
switch
Fan fitting
Thermostat
Controller
Water flow sensor
Gas inlet connection
Influent connecting pipe
Water inlet
Power supply plug
Water outlet
Gas inlet
Burner
Pressure release valve/
Water draw off valve
Ignition needle
assembly
Gas proportional valve
Voltage
transformer
Water inlet
temperature
sensor
Water outlet
temperature
sensor
WARNING
The specifications given on the nameplate shall be taken as the standard for special
category of gas. Re-equipment or changing into other gas types is not allowed!
!
D
L
W
H
Note: The illustration is a reference image, your device may differ