Buderus SE425 110-140 kW

Buderus – premium German heating technology. The brand offers boilers and control solutions for central heating systems.

SE425 – 111–140 kW oil/gas boiler. Based on the specific unit's original data plate, it is a 325-liter steel boiler belonging to the 140 size. For central heating of larger buildings, it can be fitted with a properly sized forced-draft burner.

• 111–140 kW delivered heat output: With the coordinated adjustment of the burner and the boiler, it can be adapted to larger central heating tasks.
• Steel boiler construction: The boiler body absorbs heat from the combustion chamber and flue gas paths for the heating water.
• 325-liter internal water volume: The large boiler water volume is a determining element of the system's hydraulic and heat storage behavior.
• Designed to accept an oil or gas burner: The boiler body can be used with a burner suitable for the chosen fuel.
• Maintainable flue gas paths: With regular maintenance of the cleanable internal surfaces, the heat transfer-reducing effect of deposits can be reduced.
• 4 bar permissible operating pressure: The boiler's own pressure data is the basis for sizing the water-side network and safety fittings.
• For central heat supply: Multiple heating circuits and external hot water storage tanks can also be connected with appropriate control and hydraulics.

Factory documentation – open ↗

Price of new equipment – for comparison

For new equipment of the same design, a custom manufacturer or dealer price quote is required. The comparison must also take into account performance, equipment, and accessories; delivery and installation may be an additional cost.

Temperature limit according to the data plate: 120 °C; the AT version designation is 100 °C.

The equipment has been sold; request a quote to source a similar device.

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