Gas-fired water boiler
Ultra-80, -105, -155, -230 & -310
• Installation
• Startup
• Maintenance
• Parts
with
This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual, the Ultra Control Supplement and the Ultra Vent Supplement, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.
Part number
