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Harvia KIP80B vs Vevor 9kW External Control (SCA-90BW)

Side-by-side specs and the circuit each needs, the numbers, not opinions.

Same circuit? No — the KIP80B needs 45 A (8 AWG), the 9kW External Control (SCA-90BW) needs 50 A (8 AWG).
Harvia KIP80BVevor 9kW External Control (SCA-90BW)
Power8 kW9 kW
Current draw (240V)33.3 A37.5 A
Breaker / wire45A / 8 AWG50A / 8 AWG
Recommended room251–424 cf317–459 cf
Stone capacity44.1 lb33 lb
Controlbuilt-inwall
IP ratingIPX4
Warranty2 yr1 yr
Priceprice loading… viewprice loading… view

Prices from our Amazon cache where available; specs from each manufacturer manual.

Which should you get?

For a larger or colder room, the higher-output Vevor 9kW External Control (SCA-90BW) has the margin; for a compact, well-insulated room the Harvia KIP80B is plenty and cheaper to run.

FAQ

Is the Harvia KIP80B or Vevor 9kW External Control (SCA-90BW) bigger?

The Vevor 9kW External Control (SCA-90BW) is the larger heater at 9 kW versus 8 kW, so it suits a bigger or colder room, up to about 459 cf. The smaller unit is cheaper to run and plenty for a compact, well-insulated space; there is no benefit to over-sizing a small room, it just cycles off sooner.

Do the Harvia KIP80B and Vevor 9kW External Control (SCA-90BW) need the same circuit?

No. The Harvia KIP80B needs a 45 A circuit (8 AWG copper) and the Vevor 9kW External Control (SCA-90BW) a 50 A circuit (8 AWG), because they draw different current. Size the circuit for whichever you actually buy, and remember a long run may bump the wire up a gauge.

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