Weil-McLain Ultra Manual&Nbsp;

Part number 550-100-066/0608Part number 550-100-066/0608
This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this
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.
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Boiler Manual
Gas-fired water boilers – Series 3
Featuring
Flexibility

Weil-McLain Ultra Specifications

General

Fuel Type	Natural Gas or Propane
Efficiency	Up to 95% AFUE
Type	Condensing
Heat Exchanger	Stainless Steel
Control	Advanced touch screen control
Venting	PVC or CPVC
Input Range	70, 000 BTU/h
Water Content	Varies by model (consult product literature)
Vent Diameter	2" or 3"
Weight	Varies by model (consult product literature)
Dimensions	Varies by model (consult product literature)
Ignition Type	Direct spark ignition