
Description
Description
This replacement clock switch restores the 8+4 h timer function on Narvi electric sauna heaters. It is suitable for the Narvi NM 450–900, the older Narvi NA 450–900 and the Narvi Minex. Fitting is a straightforward job for a qualified electrician and returns a well-used heater to full working order.
Features
Technical Specification
| Type | Clock switch (8+4 h) |
| Compatible heaters | Narvi NM 450–900; Narvi NA 450–900 (older model); Narvi Minex |
Installation
Replacement must be carried out by a qualified electrician, with the electricity supply isolated at the fuse panel before any work begins. The heater manufacturer’s instructions and local wiring regulations must be followed.
Brand
Narvi, founded in 1937 by Lake Narvi, is one of Finland’s leading sauna heater manufacturers and bears the Finnish Key Flag for Finnish design and manufacture.
Ordering note
Check your heater model before ordering. This clock switch is listed for the Narvi NM 450–900, the older Narvi NA 450–900 and the Narvi Minex only.
Downloads
Delivery & Returns
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.
Description
This replacement clock switch restores the 8+4 h timer function on Narvi electric sauna heaters. It is suitable for the Narvi NM 450–900, the older Narvi NA 450–900 and the Narvi Minex. Fitting is a straightforward job for a qualified electrician and returns a well-used heater to full working order.
Features
| Type | Clock switch (8+4 h) |
| Compatible heaters | Narvi NM 450–900; Narvi NA 450–900 (older model); Narvi Minex |
Installation
Replacement must be carried out by a qualified electrician, with the electricity supply isolated at the fuse panel before any work begins. The heater manufacturer’s instructions and local wiring regulations must be followed.
Brand
Narvi, founded in 1937 by Lake Narvi, is one of Finland’s leading sauna heater manufacturers and bears the Finnish Key Flag for Finnish design and manufacture.
Ordering note
Check your heater model before ordering. This clock switch is listed for the Narvi NM 450–900, the older Narvi NA 450–900 and the Narvi Minex only.
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.









