S
4
®
ERIES
Annual startup and general maintenance
Follow the service and maintenance procedures given throughout this manual and in component literature shipped
with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to
follow the directions in this manual and component literature could result in severe personal injury, death or substantial
property damage.
Service and maintenance schedules
Service technician
(see following pages for instructions)
General:
Additional if combustion or
performance indicate need:
Review:
108
-
GAS
FIRED WATER BOILER
— Boiler Manual
Owner maintenance
(see Ultra User's Information Manual for instructions)
Part number 550-100-400/0717