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G124X Series Induced Draft Gas Boiler

The G124X heat exchanger construction consists of flexible GL-180M cast iron, designed to resist thermal shock for long life and a high silicone cast iron surface for excellent corrosion resistance. Standard equipment includes high precision castings with threaded steel nipples, Honeywell aquastat, tridicator gauge, 30 psi relief valve and a circulator with a 3 inch whip and a built in draft hood with integral draft diverter. Durable, quiet and efficient, Buderus boilers are designed for many years of trouble-free operation.

  • Up To 84.8% AFUE Efficiency
  • Easily Converts to LP
  • Direct Vent and Sealed Combustion Options
  • Electronic Ignition
  • Quick Electrical Disconnect for Easy Wiring
  • Flexible, Corrosion Resistant GL-180M Cast Iron
  • Low emissions with Premixed Burner Technology
MODELInput MBtuHOutput MBtuHAFUEDimensions
HxWxD
Water Content
Gal.
Weight
Lbs.
NET IBR MBTUHVENT CONNECTIONS
G124X-18II74.0 61.4 84.3 33.2 x 22.5 x 15 2.40 229 535
G124X-18SP74.0 61.4 82.3 33.2 x 22.5 x 15 2.40 229 535
G124X-25II103.0 85.5 84.2 33.2 x 22.5 x 13.5 2.90 240 755
G124X-25SP103.0 85.5 82.0 33.2 x 22.5 x 13.5 2.90 240 755
G124X-32II132.5 110.0 84.6 33.2 x 22.5 x 13.5 3.40 337 966
G124X-32SP132.5 110.0 82.0 33.2 x 22.5 x 13.5 3.40 337 966

Warranty Information

  • Heat Exchanger - Limited Lifetime Warranty on Cast Iron Heat Exchanger in Residential Settings
  • All Parts for 12 months -

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