Series 3
Gas-
f
ired water boilers – Series 3
Featuring
Flexibility
Installation guide and material checklists
This guide must only be used by a quali!ed heating installer/service technician. Read all instructions, including the boiler manual
and all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result
in severe personal injury, death or substantial property damage.
