Hamworthy WESSEX-HE 200 Installation, Commissioning And Servicing Instructions page 32

Figure No. 6 – Wessex-HE 200 Module (Natural Gas)
KEY: -
I - BOILER FLUE CONNECTION
II - BOILER CASING
III - PROGRAMMER
IV - GAS VALVE WIRING PLUG
V - PILOT BURNER
VI - BY PASS GAS VALVE
VII - MAIN GAS VALVE
VIII - GAS ORIFICE
IX - Rp1 GAS CONNECTION
X - PRESSURE TEST POINTS
XI - DIFFERENTIAL PRESSURE SWITCH
XII - CONTROL THERMOSTAT
XIII - TEMPERATURE LIMITER
XIV - FASCIA ASSEMBLY
XV - FAN MOTOR
XVI - THERMOSTAT POCKET
XVII - FLUE GAS SAMPLING POINT
HAMWORTHY HEATING LTD
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WESSEX-HE 200 BOILER 500001008/K