HUUM Thermal Plate for HIVE Flow LS (Tunnel) Wood Burning Sauna Heater

The HUUM thermal plate for HIVE Flow LS (Tunnel Models) is a protective bedding for saunas where the heater is installed onto a wooden floor. It is also recommended for spaces with an underfloor heating system. The thermal plate protects the floor and the piping underneath.  

HUUM Thermal Plate Technical Specification: 

• Designed to be used with the HUUM HIVE Flow LS (Tunnel Models)
• Maximum load-bearing capacity: 300 kg 
• Available in two sizes: Flow LS: 550 x 680 mm and Flow Mini LS: 500 x 630 mm 

You can find the installation manual in the “Downloadable Files” tab above.  

About HUUM 

HUUM is the leading manufacturer when it comes to unique designs and technology. HUUM has been awarded for their innovative and stylish sauna products. In 2015, the DROP sauna heater won the Red Dot Award for Product Design. The inspiration for the HUUM products come from nature. Combined with age-old sauna knowledge, smart technology and modern Nordic design, the HUUM heaters are a stylish and robust choice for any sauna. The amount of stones in HUUM heaters are optimized for the perfect, soft steam experience. The innovative HUUM heaters are easy to use and have all been UK CA- certified.  

If you want to learn more about our HUUM heaters and explore more options, click on the following link: Our HUUM sauna heater collection.

Christmas and New Year's Delivery Notice

Please note the following changes to our pallet shipping and DPD delivery service on parcel orders over the Christmas period.

Our warehouse is fully closed for operation over the following days: Wednesday 24 December, Thursday 25 December, Friday 26 December, Wednesday 31 December and Thursday 1 January.

Orders requiring a pallet

The last dispatch date for orders requiring a pallet is Friday 19th December 2025. Pallet orders dispatched on this day must be booked and signed for with one of our sales team representatives latest by close of business on Friday 19th December 2025.

Please note:

• Pallets dispatched on 19th December will be delivered on either 22nd or 23rd December, depending on your postcode
• We strongly advise against booking deliveries to the Highlands or Channel Islands close to the 19th December, as these may be held at the hub over the festive period
• There may be limited availability for pallet shipping on this day and we cannot guarantee that available slots remain

We will commence our regular pallet shipping service on Monday 5th January 2026.

If you have any questions about your pallet order, please get in touch with our Sales team: +44 (0) 20 8050 2895 or email info@finnmarksauna.com

Small Parcel Orders

DPD will deliver as normal up to and including Tuesday 23rd December 2025. Orders for next day delivery must be placed latest by 3pm.

Limited dispatch service: We will dispatch DPD orders on Monday 29th December and Tuesday 30th December only during the festive closure period.

We will commence our regular delivery service on Monday 5th January 2026.

*Estimated delivery times are applicable to the UK mainland only (excludes Highlands and Islands). Additional delays and charges will be required for Non-UK Mainland and Highlands and Islands deliveries.