42
Hoval STU Wood Pellet Boiler
Appendix C - Boiler Familiarisation Information
Manual reset burnback
thermostat access
cover. Isolate the boiler
control panel (via the
main isolator switch on
the panel facia) before
removing this cover.
Remove cap and
check the water level
weekly. Water should
be within 50mm of the
top of the water dump
container. Replace lid
after checking and / or
re-filling.
Level monitoring
float switch
(not shown in
main photograph)