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44
Hoval STU Wood Pellet Boiler
Combustion Chamber
pressure switch
Combustion chamber
pressure sensing point
with interconnecting
pipework to pressure
switch.
Clean this out
weekly
Appendix C - Boiler Familiarisation Information
Forced draught fan with
motorised damper
Forced draught air duct
to retort plenum area
Pellet
pick - up
auger