Weil-McLain ULTRA 230 User Manual
Revised 2010, Control supplement & service guide, Gas-fired water boiler series 1

Part number 550-100-029/0810
Series identification:
Read the boiler rating plate
to determine the series num-
ber. The rating plate is lo-
cated inside the boiler jacket,
on the right rear interior
panel.
Parameters settings:
Instructions in this supple-
ment are based on factory
default parameter settings.
s
s
s
s
This document is a supplement to the Ultra Boiler Manual, and must only be
used by a qualified heating installer/service technician. Read all instructions,
including the Ultra Boiler Manual, before installing, starting or servicing the
boiler. Perform all steps in the order given. Failure to comply could result in
severe personal injury, death or substantial property damage.
with
Control Supplement & Service Guide
Boiler models: Ultra-80, -105, -155, -230 & -310
Gas-fired
Water boiler
Series 1
&
2
REVISED 2010