What is Harvia The Wall SW80 BlackSteel?
Harvia The Wall SW80 BlackSteel is a wall-mounted heater from Harvia with 4.5-9 kW output and 44 lbs stone capacity.
Harvia sauna heater specs
Use this manual-checked Harvia The Wall SW80 BlackSteel product page to compare the kW range, adjusted room volume, clearances, controller package, rocks, and buying path before you open the sauna in the designer.
Harvia The Wall SW80 BlackSteel is a wall-mounted heater from Harvia for 106-494 cu ft adjusted sauna rooms. Key planning facts: 4.5-9 kW output, 44 lbs stone capacity, and 74.8"-78" minimum finished ceiling guidance, and controller guidance: Built-in timer and thermostat knobs / External Harvia control unit, Temperature sensor per The Wall sensor sheet.
Design with Harvia The Wall SW80 BlackSteel Buy in North America at Sauna Marketplace
Harvia The Wall SW80 BlackSteel is a wall-mounted heater from Harvia with 4.5-9 kW output and 44 lbs stone capacity.
The published adjusted room-volume range is 106-494 cu ft. Add glass, tile, stone, brick, concrete, or log exposure before choosing the final kW row.
Plan 1.38"-3.15" side/back clearance, 1.38"-3.15" front clearance, and a 74.8"-78" minimum finished ceiling check before placing benches or glass.
Current controller guidance: Built-in timer and thermostat knobs / External Harvia control unit, Temperature sensor per The Wall sensor sheet. Match the controller, relay or power unit, and voltage to the selected kW row before ordering.
Use the 3D designer to validate the room, benches, openings, clearances, and material schedule, then use Sauna Marketplace for the current package and buying path.
| Variant | Power | Room volume | Dimensions | Rocks | Side/back | Front | Minimum ceiling | Controller |
|---|---|---|---|---|---|---|---|---|
| SW45SW45 | 4.5 kW | 106-212 cu ft | 16.9" W x 10.2" D x 24" H | 44.1 lb | 1.38" | 1.38" | 74.8" | Built-in timer and thermostat knobs |
| SW60SW60 | 6 kW | 177-283 cu ft | 16.9" W x 10.2" D x 24" H | 44.1 lb | 1.57" | 1.57" | 74.8" | Built-in timer and thermostat knobs |
| SW80SW80 | 8 kW | 247-424 cu ft | 16.9" W x 10.2" D x 27.6" H | 44.1 lb | 2.76" | 2.76" | 78" | Built-in timer and thermostat knobs |
| SW90SW90 | 9 kW | 283-494 cu ft | 16.9" W x 10.2" D x 27.6" H | 44.1 lb | 3.15" | 2.76" | 78" | Built-in timer and thermostat knobs |
| SW45ESW45E | 4.5 kW | 106-212 cu ft | 15" W x 10.2" D x 24" H | 44.1 lb | 1.38" | 1.38" | 74.8" | External Harvia control unit, Temperature sensor per The Wall sensor sheet |
| SW60ESW60E | 6 kW | 177-283 cu ft | 15" W x 10.2" D x 24" H | 44.1 lb | 1.97" | 1.57" | 74.8" | External Harvia control unit, Temperature sensor per The Wall sensor sheet |
| SW90ESW90E | 9 kW | 283-494 cu ft | 15" W x 10.2" D x 27.6" H | 44.1 lb | 3.15" | 3.15" | 78" | External Harvia control unit, Temperature sensor per The Wall sensor sheet |
Harvia The Wall installation and use manual
source: Harvia The Wall installation manual, safety/sensor/electrical sheets, HSW1 flange manual, and CAD archive (SW/SWE Y05-0365 10012025 manual for serial 224020232 or later; safety 525, sensor 524, electrical 564/566, flange Y05-1236, and SAT-derived protected GLBs; checked May 25, 2026)
Wall-mounted
Floor clearance shows the minimum bottom height where the manual lists one.
SW45 / SW60 / SW80 / SW90 / +3 more
Useful when the store name and manual model number are not identical.
106-494 cu ft
Use adjusted sauna volume after cold surfaces, not just geometric room volume.
20.3-30 lb
Listed body weight before stones; verify shipping weight with the final SKU.
19.3"-22.8"
Row-specific wall-mount reference dimension from the manufacturer safety drawing.
17.7"-23.2" W x 11"-11.4" D
Manufacturer safety drawing C+X+C and Y+A minimum space requirement by model row.
3.94 cu ft per sq ft (1.2 m3 per 1 m2) for glass, stone, tile, brick, concrete, or similar cold surfaces
The calculator applies the brand-family coefficient before selecting a heater size.
74.8"-78"
Computed from body height, floor clearance, top clearance, and the manual minimum room height.
Not listed for these sizes
Verify with the selected manual when designing unusually tall rooms.
400V 3N~: 3x10 A, 5x1.5 mm2, 230V 3~: 3x16 A, 4x1.5 mm2, 230V 1N~: 25 A, 3x2.5 mm2; Built-in timer and thermostat knobs / 400V 3N~: 3x10 A, 5x1.5 mm2, 230V 3~: 3x16 A, 4x1.5 mm2, 230V 1N~: 35 A, 3x6 mm2; Built-in timer and thermostat knobs / +5 more
Use the selected kW row and SKU when matching breakers, phases, relays, and controller packages.
Body weight 24.5 lb; safety drawing minimum envelope 19.69 in W x 11.02 in D. Safety drawing wall-mount reference height 19.29 in and 80 mm bottom safety distance.
10 more notes shown below.