Narvi NM Domestic Electric Sauna Heater Black / 2x 20kg Boxes of Grade A Finnish Olivine Diabase Sauna Stones / 9kW Electric Sauna Heater Finnmark Sauna
Narvi NM Domestic Electric Sauna Heater Matt Grey / 2x 20kg Boxes of Grade A Finnish Olivine Diabase Sauna Stones / 9kW Electric Sauna Heater Finnmark Sauna
Narvi NM Domestic Electric Sauna Heater Ground/Brushed Stainless Steel / 2x 20kg Boxes of Grade A Finnish Olivine Diabase Sauna Stones / 9kW Electric Sauna Heater Finnmark Sauna
Narvi NM Domestic Electric Sauna Heater Bright/Mirrored Stainless Steel / 2x 20kg Boxes of Grade A Finnish Olivine Diabase Sauna Stones / 9kW Electric Sauna Heater Finnmark Sauna
Narvi NM Domestic Electric Sauna Heater  Electric Sauna Heater Finnmark Sauna
Narvi NM Domestic Electric Sauna Heater  Electric Sauna Heater Finnmark Sauna

Narvi NM Domestic Electric Sauna Heater

Sale price
£ 309.00 GBP
Regular price
Next working day delivery if ordered by 3pm (UK mainland only)

Wall Mountable Narvi NM Domestic Electric Sauna Heater.
Next Day Delivery on some models, call for latest stock!

The sauna heaters are built with the highest grade materials in Finland, with a large stone capacity for great steam. Easily installed on both single-phase and three-phase power supplies, available in 3 colours and 3 electric sauna heater power choices.

Product Description

The Narvi NM is a quality domestic electric sauna heater. It is an excellent choice and has Narvi’s renowned material and build quality, durability, with a large stone capacity for great steam. This electric sauna heater may be small but every consideration is made during design and manufacture to ensure the largest possible stone capacity, as Narvi are true believers that great löyly is of paramount importance. A fact that sets them apart from all other sauna manufacturers. The heaters are only built with the highest grade materials, in Finland, the home of sauna.

The Narvi NM is manually controlled by dials that can be easily fitted on the left or right sides of the sauna heater unit. The heating elements in the NM are Narvi’s own large diameter (8.5 mm) coils that reduce the overheating risk significantly and provide reliable performance throughout their notoriously long lifespan. This sauna heater comes in a number of finishes, including matte grey, black, ground stainless steel (a brushed stainless steel finish) and bright stainless steel (a mirror finish steel). The NM is also available as a 4.5 kW model, ideal for exceptionally small saunas.

This heater can be easily installed on both single phase 240v and three phase 400v power supplies by a qualified electrician.  To learn more about installing electrical heaters on domestic power supplies, see our "How to choose the right electric sauna heater" page.

Product Specification

Model NM 450 NM 600 NM 900
Capacity of the sauna 4-7 m³ 6–9 m³ 9–15 m³
Power 4.5 kW 6 kW 9 kW
Measurements and weight
Height 58 cm 58 cm 58 cm
Width 43 cm 43 cm 43 cm
Depth 28 cm 28 cm 28 cm
Heater weight / Amount of stones 10 kg/ 30 kg 10 kg / 30 kg 10 kg / 30 kg
Fuse 2 x 10 A 3 x 10 A 3 x 16 A
Connecting cable 4 x 1.5 5 x 1.5 5 x 2.5
Encasing painted / stainless steel painted / stainless steel painted / stainless steel
Safety distances*
To the sides 50 mm 50 mm 100 mm
In front 50 mm 80 mm 100 mm
Upwards 1150 mm 1150 mm 1150 mm
To the floor 120 mm 120 mm 120 mm

 * Safety distances are to combustible materials.

About Narvi Oy

Product Disclaimers

All Narvi sauna heaters are CE tested and bear the Finnish Key Flag Symbol. This is awarded to sauna heaters that are made and designed in Finland, where over 95% or more of the production must be within Finland itself. There are many brands that claim to be made in Finland but are actually made in the Far East or Russia and merely assembled or labelled in Finland. Watch out for these symbols as a mark of an authentic, Finnish-made, safe, quality product:

Finnish Key Flag and CE Marked

As part of Finnmark Sauna's Endurance Ethos, we only deal in products that are market leaders in quality. We commit ourselves to search exhaustively for the highest quality authentic Finnish sauna products.

Please note, we recommend that sauna heaters should be installed by a suitably qualified electrician/builder/fitter. Finnmark Limited accepts no liability for loss or injury caused by the incorrect installation or misuse of your sauna heater. Please Contact Us if you require information on our recommended fitters.

Purchasing & Delivery

Before You Buy

To avoid disappointment on day of delivery, be sure to measure the area you plan to place your new sauna equipment and compare this with measurements under the product specification tab, before placing your order. Please ensure you measure any doorways (height and width) through which any large sauna equipment must pass to get to its final position. Identify any delivery obstacles and check that the sauna equipment can clear any stairs, low ceilings, sharp corners or elevators. Please note, we use independent couriers to deliver all our products and thus we cannot confirm whether the courier is willing and able to help with delivery beyond the threshold of the property. Should you require any specialist delivery support, please contact us to discuss ahead of your purchase.


- Recorded Next Day Delivery* is available on all marked products for orders to the UK Mainland. The product will be marked as such within the product description ("Order before 2pm to guarantee next day delivery on this item") where this service is offered. The customer must order before 2pm to guarantee receipt of the product Next Day*. * Next Day Delivery guarantees next working day only, for orders within UK Mainland.

- All other products** are subject to 3-10 working days shipping time with tracked and recorded courier. Please note, some of our items are shipped direct from manufacturer. ** Excludes sauna cabins & installations.

- Sauna Cabin delivery times can vary considerably, especially those that are made to order. Please contact us for manufacturing and delivery time estimates for sauna cabins. Where installation for cabins and bespoke installations is requested, this will be completed in the next available time window which may be sometime after the delivery of goods. Please contact us to confirm delivery and installation requirements and timings.

- Expedited Delivery or installation services may be available upon request, but extra charges will apply.

Warranty Information

Manufacturers Warranty

A two year manufacturers warranty applies on all products commencing from the point of sale/purchase from Finnmark Ltd.

#1: What does this warranty cover?

The warranty covers it covers any defects in material and workmanship under normal use. A warranty claim cannot be made on domestic equipment being installed in a commercial environment.

#2: What will we do to correct problems?

In the rare case that a warranty claim is required, Finnmark Ltd provide replacements for any confirmed broken parts of a product. Where this is not possible, Finnmark may offer a replacement but the customer may be required to return the product to Finnmark Ltd or to the manufacturer, at the customers expense. The customer should follow the claims procedure laid out below.

#3: How long does the coverage last?

The manufacturers warranty covers all items purchased directly from Finnmark Ltd for 2 years commencing the point of sale/purchase by the customer.

#4: What does this warranty not cover?

The following are not covered by the manufacturers warranty:
- Theft or loss of the product.
- Usage of domestic equipment within a commercial environment.
- Damage of a product resulting from negligence.
- Damage of a product resulting from unauthorized modification of the product.
- Damage caused by natural disaster.
- Consequential and indirect damage caused.

#5: What do you have to do?

To make a warranty claim, the customer is required to:
- Provide all information required by Finnmark to assess the issue.
- Finnmark Ltd may request detailed photographs of the product. For example a heater may require photos of the elements, power supply and drivers to assess what may be required to fix the product.
- Finnmark Ltd will make a judgement based on this information as to what replacement parts may be needed or if the product needs to be returned and replaced.
- Where a replacement is granted, the customer must first return the initial product to Finnmark Ltd or may be required to be sent to the product manufacturer, this will be confirmed by Finnmark Ltd during the claims procedure. The return shall be at the expense of the customer and should be sent via a recorded courier service. Finnmark Ltd holds no liability for items lost or damaged in transit.

#6: Applicable Laws

All warranty claims are handled in accordance with the laws of the United Kingdom where Finnmark Ltd is based and registered.

Payment Information

We are currently able to accept the following payment methods:
- Credit & Debit Card (including Mastercard, Visa & American Express)
- Paypal
- Amazon Pay
- Bank Transfer

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