Buderus KB472-620 Floor-Standing Condensing Boiler

The Buderus KB472-620 is the largest model of the KB472 series. It delivers 620.0 kW nominal heat output at 50/30 °C and 583.1 kW at 80/60 °C.

Capacity table

Nominal heat output

620.0 kW 50/30 °C

583.1 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

	kW	kcal/h	BTU/h
Nominal heat output (50/30 °C)	620.00	533,104	2,115,527
Nominal heat output (80/60 °C)	583.10	501,376	1,989,619

Specifications

Brand: Buderus
Series: KB472
SAP no.: 7724001536
Type: Floor-standing condensing boiler
Connection: Left or right-hand connection
Operating pressure: 6 bar
Models: 4 models (350 – 620)

All models in the KB472 series

Buderus KB472 · Capacity table
Model	SAP no.	Nominal heat output (kW)
Model	SAP no.	50/30 °C	80/60 °C
KB472-350	7736606374	350.0	326.7
KB472-400	7736606375	408.0	380.6
KB472-500	7736606376	500.0	466.7
KB472-620this model	7724001536	620.0	583.1

Data date: 2026-09-21.

Compatible accessories

7736603292Logamatic MC110 control panel (floor-standing boiler or cascade)
7738112227BC30E control panel interface
7738114123RC310 controller, black (FA outdoor sensor included)
7738111002MC400 cascade module (up to 4 boilers with RC310)
7738113392MM100 zone module (1 cylinder or 1 heating circuit)
5991376FV/FZ sensor (for heating circuit or low-loss header)
7736602054Logamatic 5313 control panel (cascade of up to 16 boilers)
7738700588Danfoss maximum / minimum pressure switch (1-10 bar)
7736603804MUK250D motorised flue damper

Frequently asked questions

What is the output of the KB472-620?

The KB472-620 has a nominal heat output of 620.0 kW at 50/30 °C and 583.1 kW at 80/60 °C.

How do I get a price quote for the KB472-620?

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