Buderus SB745-800 Floor-Standing Condensing Boiler

The Buderus SB745-800 is the smallest model of the SB745 series. It delivers 800.0 kW nominal heat output at 50/30 °C and 725.0 kW at 80/60 °C.

Capacity table

Nominal heat output

800.0 kW 50/30 °C

725.0 kW 80/60 °C

Values are the nominal heat outputs given in the manufacturer's price list (at 50/30 °C and 80/60 °C water temperatures).

Unit conversions

kWkcal/hBTU/h
Nominal heat output (50/30 °C)800.00687,8762,729,712
Nominal heat output (80/60 °C)725.00623,3882,473,802

Specifications

Brand
Buderus
Series
SB745
SAP no.
7736603259
Type
Floor-standing condensing boiler
Burner
Elco VG5 / VG6 (selected separately)
Operating pressure
6 bar
Models
3 models (800 – 1200)

All models in the SB745 series

Buderus SB745 · Capacity table
ModelSAP no.Nominal heat output (kW)
50/30 °C80/60 °C
SB745-800this model7736603259800.0725.0
SB745-100077366032601,000.0906.0
SB745-120077366032611,200.01,090.0

Data date: 2026-09-21.

Similar models

Compatible accessories

  • 7736602043Logamatic 5311 control panel (forced-draught boiler/cascade)
  • 7736602101FM-CM cascade module (up to 16 boilers)
  • 63032086Boiler burner flange
  • 7736607217MUK300D motorised flue damper

Frequently asked questions

What is the output of the SB745-800?

The SB745-800 has a nominal heat output of 800.0 kW at 50/30 °C and 725.0 kW at 80/60 °C.

How do I get a price quote for the SB745-800?

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