A SERVICE OF

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Part number 550-142-055/0411
5
GV90+ gas-fired water boilerUser’s Information Manual
Perform maintenance per schedule below
Figure 2 Service and maintenance schedules
Service technician
(see Boiler Manual for instructions)
Owner maintenance
(see following pages for instructions)
Annnual start-up
Follow the procedures listed in
the Boiler Manual.
Daily
• Check boiler area
• Check air openings
• Check pressure gauge
Monthly
• Check boiler interior piping
• Check venting system
• Check air vents
• Check condensate drain system
• Check relief valve
Periodically
• Test low water cutoff (if used)
• Clean vent termination/air intake
screens
Every 6 months
• Oil blower motor
• Operate relief valve
End of season
• Shut down procedure