fig 13 Burner (60/50/40)
fig 14 Burner (80/70)
Page 12
Changing Components
When changing components ensure that electrical and gas supplies are isolated.
THERMOCOUPLE
1) Remove the outer case front panel by pulling forwards at the top and lifting upwards.
2) Turn off the gas supply at the service tap or at the grey ON/OFF button on the gas valve.
3) Release the thermocouple nut at the side of the gas valve (
).
4) Release the thermocouple nut at the pilot bracket.
5) Reassemble in reverse order of dismantling.
THERMOCOUPLE REROUTE DEVICE
Summary of Contents for BOSTON 40 OF
Page 9: ...fig 1 Pump in Casing Page 5 fig 2 Outer Case ...
Page 15: ...Page 8 Fig A One Zone Valve Fully Pumped System ...
Page 16: ...Fig B Sundial Gravity System ...
Page 17: ...Fig C 2 Zones Valve Fully Pumped System ...
Page 20: ...fig 7 Burner Controls fig 8 Boiler Thermostat Page 10 ...
Page 23: ...Fig 9 Insulation Combustion Box Door Fig 10 Baffle Securing Screws ...
Page 24: ...fig 11 Door Burner 60 50 40 fig 12 Door Burner 80 70 ...
Page 29: ...fig 16 Insulation Page 14 Short Parts List ...
Page 30: ......
