
Description
Description
The Helo Sensor OLET 19 is a genuine replacement sensor from Helo’s OLET family, supplied as an original spare part for Helo sauna control equipment. The listing carries the manufacturer’s designation OLET 19, and fitting the designated sensor type keeps the control system measuring as it was designed to. Check your control unit or heater documentation for the sensor designation it specifies before ordering.
Features
Technical Specification
| Product type | Replacement sensor |
| Helo part designation | OLET 19 |
Installation
Electrical installation must be carried out by a certified electrician, with the supply isolated before any work begins, following the equipment manual and local wiring regulations.
Ordering note
This listing does not state which Helo control units or heaters use the OLET 19; check the sensor designation in your control unit or heater documentation before ordering.
Brand
Helo, founded in 1919, was the first manufacturer of electric sauna heaters, and its sauna and steam equipment is handcrafted in Hanko, Finland as part of the Sauna360 group.
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
The Helo Sensor OLET 19 is a genuine replacement sensor from Helo’s OLET family, supplied as an original spare part for Helo sauna control equipment. The listing carries the manufacturer’s designation OLET 19, and fitting the designated sensor type keeps the control system measuring as it was designed to. Check your control unit or heater documentation for the sensor designation it specifies before ordering.
Features
| Product type | Replacement sensor |
| Helo part designation | OLET 19 |
Installation
Electrical installation must be carried out by a certified electrician, with the supply isolated before any work begins, following the equipment manual and local wiring regulations.
Ordering note
This listing does not state which Helo control units or heaters use the OLET 19; check the sensor designation in your control unit or heater documentation before ordering.
Brand
Helo, founded in 1919, was the first manufacturer of electric sauna heaters, and its sauna and steam equipment is handcrafted in Hanko, Finland as part of the Sauna360 group.
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.









