Buderus G124X, G234X, G334X, G124X/18, G124X/25 User Manual

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G124X - G234X - G334X

Atmospheric Gas Boilers

Setting the Standard for Effi ciency

High Effi ciency: Full line of Atmospheric Gas Boilers

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Flexible, Corrosion Resistant GL-180M Cast Iron

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Limited Lifetime Warranty

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74,000 to 542,000 BTU/Hr Input

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Electronic Ignition, 3" Thermal Insulation on all Models

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omfortable. Effi cient. Intelligent Heating

G124X - G234X - G334X

Manufactured with the patented

Buderus GL-180M fl exible cast

iron, the sections are tightly joined

together and sealed by profi led,

beveled steel push nipples, ensuring

a long life.

Intelligent Heating – By Design

Buderus, the world leader in heating technology, manufactures the highest quality boilers based on
centuries of experience. With its innovative design and quality manufacturing, a Buderus boiler will
outlast and out-perform virtually any other residential hot water system in the world.

The G124X, G234X and G334X are designed in Europe, where fuel costs are signifi cantly higher
and environmental regulations are more stringent. Established in 1731, Buderus uses state-of-the-art
techniques in the design and manufacturing of its boilers.

Manufactured with the patented Buderus GL-180M fl exible cast iron, the sections are tightly joined
together and sealed by profi led, beveled steel push nipples, ensuring a long life. Special compounds
provide a gas-tight seal for safe and effi cient operation. And, thanks to the GL-180M cast iron’s
amazing fl exibility, this boiler resists thermal shock under conditions of rapid temperature change.
All models are atmospheric vented.

GL-180M Gray Cast Iron:

Buderus GL-180M silicone injected, gray cast iron has excellent corrosion resistance, exceptional
casting characteristics and 40% greater fl exibility and elasticity as well as high thermal conductivity.
Buderus developed the special substances that are impregnated during the casting process to
improve the mechanical properties of cast iron. The graphite precipitates into smaller, modifi ed
fl akes which produce GL-180M cast iron with 40% greater elasticity and a high silicone barrier for
corrosion protection. Gray cast iron obtains its superior material characteristics primarily from a
high carbon (graphite) and silicone content. Additional elements further enhance the properties of
the GL-180M. The graphite appears in two different forms in the microstructure: nodular form
producing excellent tensile strength and great elasticity and graphite fl akes producing excellent
corrosion resistance against acidic combustion products. Manufactured with the patented Buderus
GL-180M fl exible cast iron, the sections are tightly joined together and sealed by profi led, beveled
steel push nipples, ensuring a long life.

Special compounds provide a gas-tight seal

for safe and effi cient operation. And, thanks

to the GL-180M cast iron’s amazing fl exibility,

this boiler resists thermal shock under

conditions of rapid temperature change.

1-800-283-3787

Quality

Manufactured by Buderus, the world leader in cast iron boiler design and production, the G124X,
G234X and G334X construction consists of fl exible GL-180M cast iron, designed to resist thermal
shock for long life and a high silicone cast iron surface for excellent corrosion resistance. They each
have staggered contoured fi ns for optimum heat transfer and effi cient operation, high precision cast-
ings with steel push nipples, sectional construction, and deluxe, heavy gauge blue enameled jacket
for a clean fi nished appearance. There is a full 3" of thermal insulation for minimal standby heat loss
coupled with an integral draft diverter for low profi le. All models are easily converted to propane,
and they also offer low emissions with Premixed Burner Technology. Durable, quiet and effi cient,
Buderus boilers are designed for many years of trouble-free operation.

Superior Design

Flueways of Buderus boilers have a gas tight

seal thanks to a tongue and groove section

design and elastic high temperature resistant

sealing material. This seal is fully pressed into

the groove during assembly.

G234X Boiler

Effi ciency

The G124X, G234X, and G334X Series Boilers are available in natural gas or easily converted to
propane and feature AFUE ratings up to 84.8% for high effi ciency and top performance. Stainless
steel premixed factory tested burners allow for low emissions, and a full 3 inches of thermal
insulation virtually eliminate standby loss and stack temperature losses. Buderus boilers are designed
for a long life, providing effi ciency and durability for the homeowner that is unsurpassed by the
competition.

Stainless Steel Premixed Burners

Low emissions with Premixed Burner Technology

Factory tested for natural gas operation

All models easily convert to propane

Complete burner tray is easily removed

Durable, quiet and effi cient, designed for long life

www.buderus.net