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  • Q90 Condensing Boiler

    Q90 Series 4

Q90 Series 4

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Q90 Series 4

(While supplies last.)

The Q90 Series 4 condensing boiler offers a 90% AFUE efficiency rating in a small compact design ideal for low clearance/limited space applications. It features a high efficiency cast aluminum heat exchanger with low pressure drop, hot surface ignition (HSI) boiler control and a Hydrolevel combination high limit/low water cut off control with a boiler water temperature reset feature. A stainless steel premix burner provides corrosion resistance and longevity.

The Q90 is a sealed combustion boiler which is approved for polypropylene venting and includes an induced draft blower with adjustable exhaust (front, right side or rear).

This unit has a 15 year limited warranty.

Features

  • 90% AFUE:  ENERGY STAR
  • Capacity: 50 - 75 - 100 MBH
  • Heat Exchanger: Cast Aluminum
  • Combustion: Sealed Combustion
  • Venting: Direct Vent
  • Boiler Type: Hot Water
  • Boiler Control Module: HSI Integrated Boiler Control
  • Combination Hydrolevel High Limit and LWCO with boiler water temperature reset feature
  • Heat Exchanger: Cast Aluminum Heat Exchanger
  • Combustion: Stainless Steel Premix Burner
  • Induced Draft Blower with adjustable exhaust (front, right side or rear), Inducer Motor Assembly includes 5' schedule 80 2" CPVC and CPVC Tee
  • Electrical: Junction Box, Transformer and Wiring Harness
  • Textured painted steel jacket
  • Other
    • Temperature/Pressure Gauge
    • 30 PSI Safety Relief Valve
    • Pressure Switch(es)
    • Low Profile Condensate Trap
    • Air Vent
    • Leveling Legs

Options

  • Natural Gas or Propane
  • Taco or Grundfos Circulator

Installation

Easy to Install & Service:

  • Choice of multiple supply and return locations (top, side or combination)
  • Leveling legs
  • Junction Box provided
  • Removable control panel for quick access
  • Low profile condensate trap provides easy plumbing of condensate drain lines

Documents / Resources

Current Documents
Archived Documents
Videos

There are no active documents for this product.

Brochure

Q90 Brochure 1-12-21
Q90 Brochure Rev. 09-10-21
Q90-100 Brochure 2/17
Q90-100 Brochure Rev. 1/07
Q90-100 Brochure Rev. 1/09
Q90-100 Brochure Rev. 10/08
Q90-100 Brochure Rev. 12/07
Q90-100 Brochure Rev. 12/12
Q90-100 Brochure Rev. 3/11
Q90-100 Brochure Rev. 4/08
Q90-100 Brochure Rev. 6/09
Q90-100 Brochure Rev. 8/04
Q90-100 High Efficiency Homeowner Info
Q90-100 Series II Brochure Rev. 10/12
Q90-100 Series II Brochure Rev. 8/12A
Q90-100 Series IV Brochure Rev. 6/13
Q90-100 Series IV Brochure, Rev. 6/16
Q90-100 Series IV Sell Sheet Rev. 5/14

User Manual

Q90-100 User's Manual Rev. 1.0

Installation & Operation Manual

Q90 Series 4 IOM Rev. F
Q90-100 IOM Rev. 3.0
Q90-100 IOM Rev. 3.4
Q90-100 IOM Rev. A
Q90-100 IOM Rev. C
Q90-100 Series Conversion Kit Instructions DSI to HSI Rev. A
Q90-100 Series II & III IOM Rev. D
Q90-100 Series II IOM Rev. A
Q90-100 Series II IOM Rev. B
Q90-100 Series IV High Altitude Gas Conversion Kit Instructions Rev. D
Q90-100 Series IV IOM Rev. B
Q90-100 Series IV IOM Rev. C
Q90-100 Series IV IOM Rev. D
Q90-100 Series IV IOM Rev. E

Parts Lists

Q90 Series 4 Parts List Rev. G
Q90-100 Parts Rev. A
Q90-100 Series II & III Parts Rev. C
Q90-100 Series II Parts Rev. A
Q90-100 Series II Parts Rev. B
Q90-100 Series IV Parts Rev. B
Q90-100 Series IV Parts Rev. C
Q90-100 Series IV Parts Rev. D
Q90-100 Series IV Parts Rev. F

Warranty

Dunkirk Consolidated Boiler Warranty Rev. D
Dunkirk Consolidated Boiler Warranty Rev. E
Q90-100 Dunkirk Consolidated Boiler Warranty Rev. B
Q90-100 Series IV Warranty Rev. A
Q90-100 Warranty Rev. 2.0

Technical Bulletin

Burner Change on Q90-100
Control Board Plugs Switched
Dielectric Unions and Antifreeze Requirements
Hot Surface Igniter Change
Ignitor Change - Product Improvement
New Inducer Motor/Blower Assembly
Q90-100 Direct Spark Ignition to Hot Surface Ignition Upgrade

Kit Instruction

90 Series Conversion Kit Instructions DSI to HSI Rev. A
90 Series IV High Altitude Gas Conversion Kit Instructions Rev. E

Product Bulletin

Q90-100 Antifreeze & Dielectric Rev. 6/09
Q90-100 Burner Change Rev. 10/06
Q90-100 Dielectric & Antifreeze Addendum Rev. D
Q90-100 Dielectric & Antifreeze Addendum Rev. E
Q90-100 Igniter Change Bulletin 6/19/09
Q90-100 Series Inducer Technical Bulletin 8/19/09

Service Bulletin

Q90-100 Igniter & Ground Wires Rev. 1/03
Q90-100 Norton Igniter Rev. 12/04

Other

Q90-100 Igniter Kit Instructions Rev. 1.0
Q90-100 Series II & III Igniter Kit Instructions Rev. D
Q90-100 Series II & III Igniter Kit Instructions Rev. E
Q90-100 Series II & III Igniter Kit Instructions Rev. F
Q90-100 Series II & Series II Gas Conversion Instructions Rev. B
Q90-100 Series II & Series III Gas Conversion Instructions Rev. C
Q90-100 Series II Gas Conversion Instructions Rev. A

Options

Q90-100 Manufacturers Tax Certification Statement Rev. B
Q90-100 Manufacturers Tax Certification Statement Rev. C
Q90-100 Tax Certification Statement Rev. A

Engineering Documents / Resources

Q90-100 Series IV Spec Sheet Rev. 1.0

Product Testimonials

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