Advantages:

• NEW! Efficiency ratings of 85% on all models!
• Stainless Steel Corrosion Resistant Premix Burners.
• GL-180M Flexible Cast Iron.
• Electronic Ignition.
• Side Piping Design for Convenient Boiler Retrofit Installation
• 3 Models with Inputs from 74,000 to 132,500 BTU/Hr

Technology:

• Side piping design for convenient installation in the retrofit boiler market.
• Heating capacities of 74,000 through 133,000 BTU/Hr.
• CSA approved for installation on combustible floors.
• Equip with electronic ignition.
• Designed for elevation up to 8500 ft.

Advantages:

• NEW! Efficiency ratings of 85% on all models!
• Low pollutant emissions.
• Space savings size.
• All equipment included for a fast and simple assembly.

Technology:

• 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, efficient and designed for long life.

Advantages:

• Sealed combustion and draft induced venting design.
• Perfect for single or multi-family homes.
• Efficiency ratings of 85%+.
• EnergyStar certified.

Technology:

• Clean combustion, extremely high efficiency, economical operation, and longevity.
• Buderus boilers are the perfect central heating source for single or multiple family homes and guarantee reliable heating for many years.
• The modern design of Buderus boilers results from centuries of experience, using the latest combustion and manufacturing technologies.
• Whisper quiet operation with integrated draft inducer.
• Attractive design with front accessible controls, all piping connections in the rear for finished appearance.

Advantages:

• Low-pollution and whisper quiet operation.
• Designed to resist thermal shock for long life.
• Ideal for buildings with higher heating requirements.
• EnergyStar certified.

Technology:

• Clean combustion, extremely high efficiency, economical operation, and longevity.
• Buderus boilers are the perfect central heating source for single or multiple family homes and guarantee reliable heating for many years.
• The modern design of Buderus boilers results from centuries of experience, using the latest combustion and manufacturing technologies.
• Whisper quiet operation with integrated draft inducer.
• Attractive design with front accessible controls, all piping connections in the rear for finished appearance.

Advantages:

• 96% AFUE Efficiency.
• Whisper Quiet84,000 – 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.

Technology:

• 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.
• Optimum energy utilization and minimized operating costs through ETA plus system.
• 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

Advantages:

• Redesigned for Higher Outputs and Efficiency.
• High Efficiency – AFUEs Above 86%.
• Flexible, Corrosion Resistant GL-180M Cast Iron.
• Full Swing Burner Door for Excellent Serviceability.
• Chimney Vent from 85,000 to 136,000 BTU/Hr Output.
• Direct Vent from 74,000 to 120,000 BTU/Hr Output.

Technology:

• Optimized combustion with positive pressure-fired boilers and tailored chamber geometry – no need for a heat-consuming refractory or target wall eliminating the need for costly repairs.
• Minimal stack losses with the modified three-pass flue design’s large heat transfer areas.
• Low standby losses with a full 3″ jacket of thermal insulation around the entire block – even underneath the boiler!

Advantages:

• NEW! Efficiency ratings of 90% on all models!
• NEW! All boilers now eligible for the Federal tax credit!
• The ONLY conventional cast iron boilers in the world that are Federal tax credit eligible!
• Operation low on noise and emissions.
• Efficient energy utilization – seasonal efficiency [to DIN] of up to 96%.
• Optimum investment prospect through long service life.
• High heating comfort and user-friendliness through the Logamatic EMS control system.
• Suitable for use with conventional and low-sulfur fuel oil.
• Modern functional design.

Technology:

• Available with an outputs of 73, 97, and 118 MBH.
• Unit version (fully assembled unit) comprising boiler, oil burner and control system; as an option with a hot water tank.
• Modulating operation, i.e. matched to the actual heat demand, without low end temperature limit.
• Boiler body made from gray cast iron, specially developed by Buderus.
• Combustion chamber design perfectly matched to the flame geometry, thanks to the excellent plasticity of the casting material during manufacture.
• Available for open flue and balanced flue versions.

Advantages:

• Efficient energy utilization – AFUE’s of 91+%.
• Compact dimensions through integral heat exchanger.
• Optimum investment prospect through long service life.
• High heating comfort and user-friendliness through the Logamatic EMS control system.
• Quick and affordable system modernization thanks to compatible connections compared to predecessor models.
• Suitable for use with conventional and low-sulfur fuel oil.
• Modern functional design.
• Suitable for detached houses and two-family homes.

Technology:

• Available with outputs of 75, 100, 121 MBH.
• Cast boiler block, proven in millions of applications, with an innovative stainless steel condensing heat exchanger.
• As standard prepared for balanced flue operation.
• Advanced robust blue flame oil burner for clean combustion.
• Unit version (fully assembled unit) comprising boiler, oil burner and control system; as an option with a hot water tank.
• Modulating operation, i.e. matched to the actual heat demand, without low end temperature limit.

Advantages:

• Eliminates “hot and cold spots” in the boiler.
• Minimizes stresses normally caused by rapid temperature changes.
• Operates at low return water temperatures.
• Balances water flow through all boiler sections.

Technology:

• EnergyStar certified.
• Rear tappings and flue connection to streamline appearance.
• Baffles and clips for adjusting stack temperatures.
• Heavy gauge blue enameled jacket for durability and attractiveness.
• Full swing burner door hinged on either the left or right allowing for easy access.
• Front access plugs permit flushing of the boiler’s interior.

Advantages:

• Optimum investment prospect through long service life.
• Clean combustion through low combustion chamber loading.
• Reliable operation without shunt pump and return temperature control through Thermostream technology.
• Suitable for operation with oil or gas.
• Easy handling, even in very tight spaces through delivery in sections.
• Easy selection and optimization through factory-sourced Unit burner.

Technology:

• Ecostream low temperature boiler for oil or gas combustion with modulating boiler water temperature control without minimum return temperature.
• Boiler design with Thermostream technology for reliable operation without shunt pump and return temperature control.
• Water-cooled combustion chamber with low combustion chamber loading and hot gas routing in accordance with the three-pass principle.
• Boiler suitable for oil or gas.
• Unit versions with an pressure-jet oil and gas burner matched to the boiler for clean combustion and efficient energy utilization – AFUE’s of 88%.
• Easy handling through delivery of the boiler block in sections.
• Optional assembly of the boiler block at the factory.
• Easy installation of third party burners with the aid of predrilled burner plates.

Advantages:

• Eliminates the need for bypass loop or shunt pump.
• Eliminates hot and cold spots in the boiler.
• Minimizes thermal stresses in each section.
• Allows operation at low return water temperatures without thermal shock concerns.
• Minimum supply temperature of 122° F with standard control.
• Ensures balanced water flow through all boiler sections.

Technology:

• Maintain minimum 122° F supply temperature with standard high temperature controls during burner operation within 10 minutes after burner starts up.
• No additional requirements for firing with 2-stage or full modulation burners (gas or oil).
• No minimum return water temperature and no minimum flow requirement.
• Boiler(s) shall not require return water temperature control or minimum flow condition.

Advantages:

• Designed to operate at any return water temperature.
• Full swing burner door for easy and quick, thorough cleaning.
• No refractory parts for reduced maintenance.
• Boiler fully serviced and cleaned from the front.
• Cast iron breaching for long life.
• Thermostream design increases efficiency and system reliability.
• High efficiency through full three-pass boiler design.
• No thermal shock as result of unique Thermostream boiler design.
• No minimum water temperature.
• Savings in overall equipment costs, installations and annual operating costs.
• High combustion and thermal efficiencies.

Technology:

• Maintain minimum 122° F supply temperature with standard high temperature controls during burner operation within 10 minutes after burner starts up.
• No additional requirements for firing with 2-stage or full modulation burners (gas or oil).
• No minimum return water temperature and no minimum flow requirement.
• Boiler(s) shall not require return water temperature control or minimum flow condition.

Advantages:

• Atmospheric gas boilers.
• Perfect for large residential and/or light commercial applications.
• Full 3-1/2″ of thermal insulation for minimal standby heat losses.
• Offers low emissions with Premixed Burner Technology.
• Durable, quiet and efficient.

Technology:

• 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, efficient and designed for long life.

Advantages:

• Atmospheric gas boilers.
• Perfect for large residential and/or light commercial applications.
• Full 3-1/2″ of thermal insulation for minimal standby heat losses.
• Offers low emissions with Premixed Burner Technology.
• Durable, quiet and efficient.

Technology:

• 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, efficient and designed for long life.

Advantages:

• Atmospheric gas boilers.
• Perfect for large residential and/or light commercial applications.
• Full 3-1/2″ of thermal insulation for minimal standby heat losses.
• Offers low emissions with Premixed Burner Technology.
• Durable, quiet and efficient.

Technology:

• 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, efficient and designed for long life.

State of the art six axis programmable robotic welder uses computer guidance to accurately weld all of the stainless steel fittings and coil to the stainless steel tank.

Buderus offers a complete line of indirect hot water tanks that work perfectly with a Buderus boiler to ensure convenient Domestic Hot Water (DHW) heating.

Download Buderus SST Literature

Advantages:

• Convenient standard solution.
• Convincing price/performance ratio.
• Low heat loss due to high-grade thermal insulation.

Technology:

• Hot water tank with two smooth tube internal coils for the connection of one solar thermal system and one boiler.
• Generously sized cleaning aperture for easy cleaning and maintenance.
• Corrosion protection system through the proven Buderus DUOCLEAN MKT thermoglazing and integral insulated magnesium anode (for the SM400).
• Low heat loss due to CFC-free thermal insulation.
• CFC-free insulating casing made from 50 mm thick rigid foam (SM300) or 4″ thick CFC-free flexible foam casing (for the SM400).
• Approximately 40 gallon volume can be reheated by the boiler with the Logalux SM300 or 44 gallons with the Logalux SM400.
• Hot water tank also available in white.
• Tank capacity: 77, 103 and 130 gallons.

Advantages:

• Effective heat transfer through large heat transfer surfaces.
• Even temperature stratification without cold zones through favorable arrangement of the heat exchanger.
• Optional installation of a second indirect coil or an electric immersion heater.

Technology:

• Hot water tank as vertical version with integral smooth tube indirect coil.
• Indirect coil drawn right down into the lower section of the tank.
• Corrosion protection through DUOCLEAN MKT thermoglazing and magnesium anode.
• Thermal insulation made from 2″ thick CFC-free rigid PU foam.
• Design matched to that of the Logano G125 and Logano plus GB125.
• Tank capacity: 42, 53 and 79 gallons.

Advantages:

• High hot water convenience, plus space-saving installation.
• Effective heat transfer through generously sized heat exchanger.
• Even temperature stratification without cold zones through favorable arrangement of the heat exchanger.
• Suitable for all potable water qualities (for total hardness levels below 2° dH on request).

Technology:

• Hot water tank as horizontal version with integral smooth tube indirect coil.
• Indirect coil drawn right down into the lower section of the tank.
• Corrosion protection through DUOCLEAN MKT thermoglazing and magnesium anode.
• Thermal insulation made from 2.5″ thick CFC-free rigid PU foam.
• Tank capacity: 36, 42, 53 gallons.

Advantages:

• High hot water convenience, plus space-saving installation.

Technology:

• Hot water tank as vertical version with integral indirect coil.
• Corrosion protection through DUOCLEAN MKT thermoglazing and magnesium anode.
• Vertical in conjunction with the any Buderus boiler.
• Tank capacity: 32 gallons.

Advantages:

• Space-saving and easy to install combination of hot water and heating water buffer tanks.
• Low heat loss due to CFC-free thermal insulation.
• Optional connection of renewables (e.g. wood).
• Innovative Thermosiphon technology for stratified tank heating.
• For solar hot water heating and central heating backup.
• Suitable for the connection of 4 to 8 (PL750/2S) or 6 to 10 solar collectors (PL1000/2S)
• Optional connection of a fireplace insert with back boiler, a solid fuel boiler or a heat pump.

Technology:

• Combi tank comprising a buffer tank and internal hot water tank that reaches right into the lower section of the buffer tank and holds 79 gallons (40 gallons standby section).
• Patented heat transfer pipe (Thermosiphon) with indirect solar coil for stratified tank heating.
• Connections for boiler and heating circuits, plus hot water, cold water and hot water circulation.
• Corrosion protection of the hot water tank through Thermoglazing DUOCLEAN MKT and magnesium anode.
• 100 mm thick CFC-free flexible foam thermal insulation with PE jacket.

Advantages:

• Attractive price/performance ratio.
• High grade and robust technology.
• Long service life through stable fibreglass frame.
• High efficiency (77%) thanks to effective energy conversion.
• High light transmission ratio.
• Flexible installation: versions for installation on end and across are available.
• Easy installation: tested connection technology.

Technology:

• Solar safety glass with a light transmission ratio of up to 91%.
• Fibreglass frame protects against weather and mechanical influences.
• Copper strip absorber with proven black-chrome coating.
• TÜV-tested plug-in technology for easier connection of downstream components.
• Thermal insulation of the back panel for lower heat loss.
• Double meander enables improved heat transfer and consequently higher performance.

Advantages:

• Particularly efficient energy yield through innovative technology.
• Elegant design.
• May be used for solar water heating and central heating backup.
• Long service life through robust and weather-resistant fibreglass frame.
• Maximum efficiency (85.1%) thanks to maximum energy conversion.
• Flexible installation: installation on flat roofs and walls.
• Easy installation: roof integration or rooftop installation.
• Low weight.

Technology:

• Inert gas filling prevents condensation forming on the inside of the collector in the morning.
• Hermetically sealed to prevent the ingress of air and contaminants.
• Solar safety glass with a light transmission ratio of up to 91%.
• Fibreglass frame protects against weather and mechanical influences.
• Area absorber converts up to 97% of the insolation into heat.
• Double meander enables improved heat transfer and consequently higher performance.
• Thermal insulation of the back panel for lower heat loss.
• Solar flow for connection of the solar components downstream.
• Ultrasound-welded seams for minimum heat loss.