Logamax Plus GB142

Buderus Logamax Plus GB142

Offering well developed and energy-saving condensing technology, the entire Logamax plus GB142 series is the best. The Logamax plus GB142 can supply any type of home with heating.

AFUE Efficiency of 90%

Advantages at a Glance

  • 90% AFUE Efficiency
  • Whisper Quiet - Enclosed Housing
  • *5-Year Parts and Labor Warranty for residential applications with registration
  • Low-Loss Header manifold for quick and trouble free installations
  • Advanced easy to use control system
  • 4 Models with Inputs from: 84,800 to 214,800 BTU/Hr


  • Modulating operation, i.e. matched to the actual heat demand
  • Available as boiler with integral Logamatic EMS control unit; easy to add an optional Buderus hot water tank or RC35 Control
  • Integral aluminum heat exchanger with a large surface area for condensing operation all year round
  • Output modulates between 30% and 100%
  • Selectable flue gas routing: open flue version may be connected to an existing chimney; alternatively balanced flue connection with a system-certified balanced flue system (room sealed balanced flue)
  • Outputs of 75, 95, 142, 199 MBH

Here, you will find hot water tanks, control units and accessories that you can combine to create an optimum system, thanks to the Buderus system design.

Recommended Storage Tanks

  • Buderus offers a full range of high efficiency indirect water heater to compliment your GB142 condensing gas boiler


  • Logamatic 4323
  • Logamatic EMS with RC35

Approval and Certifications

GB142 models qualify for many federal, state, local, and utility rebates such as Gas Networks in Massachusetts. Rebate programs are subject to availability and restrictions. Check the Buderus web site for information on available rebates in your area.