• Q90-200 Series II - Front View

    Q90-200 Series II - Front View

Q90-200 Series II

This product has been archived and is no longer available.

Q90-200 Series II

The Q90-200 Series II offers a 90% AFUE efficiency rating and features a high efficiency cast aluminum monoblock heat exchanger with a low pressure drop. The boiler also has a Fuel Smart Hydrostat Control which features 3 functions in 1 Control: Temperature Limit Control with easy dial settings and function indicator lights; Low Water Cut-Off (LWCO), which protects the boiler from damaging low water conditions; and Boiler Reset which lowers the boiler temperature to save fuel without sacrificing comfort.

The Q90-200 Series II utilizes economical CPVC and PVC vent pipe and is backed by a Limited 15 Year Warranty.


  • Efficiency: Energy Star Rated
  • Capacity: 125 - 150 - 175 - 200 MBH
  • 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

Documents / Resources

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User Manual

Installation & Operation Manual

Parts Lists


Technical Bulletin

Product Bulletin

Service Bulletin



Engineering Documents / Resources

Product Testimonials

  • Nice product which makes the job look good.

    Carl Blumb
    Pittsburgh, PA