The HARVIA 3 kW electric heater is designed to provide additional heating for the water in an outdoor hot tub. It may be used together with a wood-fired hot tub heater or as a separate heat source, provided that it is installed in accordance with the manufacturer’s requirements.
When combined with a wood-fired heater, the electric unit provides additional heating capacity. When used independently, it can help maintain the selected water temperature. The thermostat allows an approximate water temperature setting of 10–40 °C. Actual heating time and temperature stability depend on the volume and initial temperature of the water, ambient conditions, hot tub insulation and other operating factors.
According to the provided technical information, the heater operates using natural water circulation and does not require a separate circulation pump. The unit is equipped with integrated overheating protection. Its stainless-steel construction is intended for outdoor use.
Main features:
- power output – 3 kW;
- supply voltage – 230 V AC;
- adjustable water temperature – approximately 10–40 °C;
- protection rating – IP44;
- suitable for use with a hot tub heater or as a separate heat source;
- operates using natural water circulation;
- integrated overheating protection;
- stainless-steel housing.
The heater must be installed and operated in accordance with the manufacturer’s instructions. The electrical connection must be completed by a qualified electrician. Do not switch on the unit without water. Permitted operating and storage temperatures should be verified in the manufacturer’s technical documentation.
