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Harvia

Harvia Linear 22 GreenFlame LS Wood Burning Sauna Heater | WKLI20GLSM

Harvia Linear 22 GreenFlame LS Wood Burning Sauna Heater | WKLI20GLSM

Regular price £1,240.00
Regular price Sale price £1,240.00
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Elevate your sauna and bathwater heating simultaneously with the Harvia Linear 22 GreenFlame LS Wood Burning Sauna Heater, a beautifully elegant and technically advanced wood-burning heater that combines the atmospheric appeal of a large glass door with Harvia's groundbreaking GreenFlame combustion technology and the practical convenience of an integrated 30-litre water tank. At the heart of the Linear 22 GreenFlame LS is the fully updated GreenFlame fire chamber, which reduces particulate emissions by 20% and carbon monoxide emissions by 70% compared to standard models -- part of Harvia's long-term commitment to halving wood-burning emissions whilst delivering the authentic Finnish sauna experience at its finest. The LS model's fixed left-side water tank allows the sauna and bathwater to be heated simultaneously, with a conveniently downward-directed tap for safe hot water access. Timeless, durable and built with replaceable internals for exceptional longevity, the Linear 22 GreenFlame LS is an outstanding choice for medium-sized sauna rooms of 9 to 18 cubic metres.

At Home of Clay we are proud stockists of Harvia, one of the world's most respected sauna manufacturers. Please note that stones are not included -- a minimum of 40kg of 10 to 15cm stones must be ordered separately.

Key features

  • GreenFlame fire chamber -- 70% lower CO emissions and 20% lower particulates -- The fully updated GreenFlame fire chamber is the defining innovation of the Linear 22 GreenFlame LS, delivering carbon monoxide emissions 70% lower and particulate emissions 20% lower than standard models through clean, controlled combustion technology that represents a significant step forward in environmentally responsible wood-burning sauna heating.
  • Integrated 30-litre water tank for simultaneous heating -- The LS model's fixed 30-litre water tank on the left side allows the sauna and bathwater to be heated simultaneously from a single wood fire, delivering the traditional Finnish löyly experience whilst providing a ready supply of hot water for the washing area. The water tap is directed conveniently downwards for safe and comfortable hot water access.
  • Large glass door -- 90% larger than previous models -- The Linear 22 GreenFlame LS features a dramatically enlarged glass door, 90% larger than the previous generation, creating an extraordinary visual connection with the fire and filling the sauna with the warm, atmospheric glow that only a real wood fire can produce.
  • 15.7kW output for sauna rooms of 9 to 18 cubic metres -- With a 15.7kW output the Linear 22 GreenFlame LS is well matched to medium-sized home sauna installations, delivering reliable and consistent heat performance throughout the session.
  • Replaceable internals for exceptional longevity -- The durable structure with replaceable internal components ensures the Linear 22 GreenFlame LS can be serviced and maintained over many years of regular use, making it a significantly more cost-effective long-term investment than heaters without this feature.
  • Robust 10mm steel fire chamber cover -- The heavy-duty 10mm steel fire chamber cover provides exceptional durability and heat resistance, contributing to the long operational lifespan of the heater in the demanding conditions of a regularly used sauna.
  • 390mm maximum log length -- The fire chamber accommodates logs up to 390mm long, providing a practical loading capacity that suits most readily available firewood lengths.
  • Top or rear flue connection via 115mm outlet -- The Linear 22 GreenFlame LS accommodates either a top or rear 115mm flue connection, giving flexibility in chimney configuration to suit your specific sauna room and building layout.
  • Adjustable frame legs for easy installation -- Adjustable frame legs make positioning the heater straightforward on variable surfaces, ensuring a precise and stable installation.
  • CE certified and handmade in Finland -- Every Harvia Linear 22 GreenFlame LS is CE certified and handmade in Finland to Harvia's exacting standards of quality and engineering excellence.

Why choose the Harvia Linear 22 GreenFlame LS?

The Linear 22 GreenFlame LS is a heater of exceptional ambition -- one that advances wood-burning sauna technology in three meaningful directions simultaneously. The GreenFlame fire chamber delivers cleaner combustion with dramatically lower emissions. The integrated water tank delivers the traditional Finnish practice of heating bathwater alongside the sauna from a single fire. And the dramatically enlarged glass door delivers an atmospheric fire viewing experience of a quality rarely seen in a heater of this output and size.

The LS suffix is significant for those who appreciate the full Finnish sauna tradition. In authentic Finnish sauna culture, heating water for washing alongside the sauna is not an afterthought but an integral part of the ritual -- the sauna and the wash are experienced as a complete and unified wellness practice. The Linear 22 GreenFlame LS makes this possible in a home sauna context without requiring separate water heating infrastructure, integrating the 30-litre tank directly into the heater and connecting the hot water experience seamlessly with the sauna session.

The combination of GreenFlame technology, replaceable internals, a 10mm steel fire chamber cover and CE certification makes the Linear 22 GreenFlame LS one of the most durably and responsibly engineered wood-burning sauna heaters available in the UK today. For those who want authentic Finnish sauna performance, meaningfully lower environmental impact and the traditional convenience of integrated water heating, this heater is an outstanding and comprehensively considered choice.

Technical specification

Brand Harvia
Model Linear 22 GreenFlame LS
Product code WKLI20GLSM
Colour Black matte
Output 15.7kW
Suitable sauna room size 9 to 18 m³
Stone capacity 40kg maximum
Stones included No -- minimum 40kg of 10 to 15cm stones required, ordered separately
Maximum log length 390mm
Water tank 30 litres -- fixed, left side
Water tap direction Downward -- for safe hot water access
Height 770mm
Width 450mm
Depth 660mm
Net weight 60.4kg
Frame material Steel -- black matte
Fire chamber cover 10mm steel
Door Large glass -- 90% larger than previous models
Flue connection 115mm -- top or rear
Internals Replaceable
Legs Adjustable
Certification CE
Origin Handmade in Finland


Delivery and ordering

The Harvia Linear 22 GreenFlame LS Wood Burning Sauna Heater is delivered to UK mainland addresses for a flat delivery charge of £50. Delivery is approximately 4 to 8 weeks, subject to availability. Please note that additional surcharges apply to the following areas -- Scottish Highlands and Islands and postcodes AB, IV, KW, HS, ZE, BT, IM, TR21, TR22, TR23, TR24, TR25, JE and GY. Please contact us before ordering if your delivery address falls within these areas to confirm applicable charges.

Please note that sauna stones are not included and must be ordered separately -- a minimum of 40kg of 10 to 15cm stones are required. For further information or to discuss this product please call us on 01782 617517 or email sales@homeofclay.co.uk. Our team is happy to assist with any questions about the Harvia Linear 22 GreenFlame LS and compatible accessories.

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