• Efficiency: Energy Star Rated
  • Heat Exchanger: Cast Aluminum
  • Combustion: Sealed Combustion
  • Venting: Direct Vent
  • Boiler Type: Hot Water
  • Boiler Control Module: Integrated Microprocessor Control, Hi-Limit Control, Boiler Reset Control, Automatic Reset LWCO, Diagnostic Indicator Lights.
  • Heat Exchanger: Cast Aluminum Monoblock Heat Exchanger
  • Combustion: Completely installed and wired safety control system with Stainless Steel Pre-Mix Gas Burner, Automatic Gas Valve, Hot Surface Igniter, Forced Draft Blower, Air Vent.
  • Electrical: Transformer, Service Switch & Outlet.
  • Other: Assembled boiler with pre-painted steel jacket, Combintation Temperature/Pressure Gauge, 30 psi ASME Relief Valve, Casting Temperature Safety Switch, Air Flow Pressure Switches, Boiler Drain.

  • Natural Gas or Propane
  • Taco or Grundfos Circulator

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Brochure
UB90-200 Brochure 1/07
UB90-200 Brochure 3/11
UB90-200 Brochure 4/06
UB90-200 Brochure 6/09
UB90-200 Brochure 8/05
UB90-200 Brochure 10/08
UB90-200 Brochure 3/08
Engineering Documents/Resources
UB90-200 Spec Sheet Rev. 1.0
Installation & Operation Manual
UB90-200 Condensation/Exhaust Kit Instructions Rev. A
UB90-200 Series II IOM Rev. D
UB90-200 Series II IOM Rev. C
UB90-200 Series II IOM Rev. B
UB90-200 Series II IOM Rev. A
UB90-200 IOM Rev. A
UB90-200 IOM Rev. 1.3
UB90-200 IOM Rev. A 10/08
UB90-200 IOM Rev. B 8/11
UB90-200 IOM Rev. B
Kit Instruction
UB90-200 Igniter Kit Instructions Rev. 1.0
Options
UB90-200 Manufacturers Tax Certifcation Statement Rev. B
UB90-200 Tax Certification Statement Rev. A
Other
UB90-200 Features & Benefits Highlights
Parts Lists
UB90-200 Series II Parts Rev. D
UB90-200 Series II Parts Rev. C
UB90-200 Series II Parts Rev. B
UB90-200 Series II Parts Rev. A
UB90-200 Parts Rev. 1.2 02/06
UB90-200 Parts Rev. C 9/08
UB90-200 Parts Rev. D 6/10
UB90-200 Parts Rev. E 8/11
Product Bulletin
UB90-200 Dielectric & Antifreeze Addendum Rev. E
UB90-200 Igniter Change Product Bulletin 6/19/09
UB90-200 Dielectric & Antifreeze Addendum Rev. D
UB90-200 Antifreeze & Dielectric Rev. 6/09
Service Bulletin
UB90-200 Burner Change
User Manual
UB90-200 User’s Manual Rev. 1.0
UB90-200 Series II Brochure 6/12
UB90-200 Series II Brochure 8/13
UB90-200 Series II Brochure 8/12
UB90-200 Series II Brochure 12/13
UB90-200 High Efficiency Homeowner Info
Warranty
UB90-200 Series II Warranty Rev. A
UB90-200 Warranty Rev. A
UB90-200 Warranty Rev. 2.0