Business Areas

Immersion Heaters UL

UL approved immersion heaters for heating and maintenance of temperature

SAN UL Approved Immersion HeaterZoom image


SAN UL approved immersion heaters are originally developed for heating oil
and lubricating systems in wind turbines but can also be used for heating water.

Advantages of SAN UL Immersion Heater

When you use our types of immersion heaters the heating element can be replaced rapidly and almost without use of any tools. Besides, you do not need to drain the oil or water.

Technical Data

SAN Immersion Heaters UL


0 – 600 V


1 – 3


0 – 10.000 W

Surface load

0 – 3,5 W/cm2

Immersion depth:

255 – 1.400 mm


2½” (63,5 mm)


Stainless steel


SAE, DIN, ANSI, 2½” thread, and others

UL recognition

UL file E488485



Immersion Heater UL from SAN Eletro Heat


If you require an immersion heater for North America or Canada, which is outside the above specifications, we can design a heater according to UL requirements with all parts made from UL recognized parts. In that case the complete unit will not be UL recognized.

All our immersion heaters can be delivered in requested: Voltage, power, and length and with flange or thread.

SAN immersion heaters can be delivered in materials according to request.

Contact Michael or his colleagues at Technical Sales.

Michael S. Ekstrand
Project Sales Engineer
Direct phone: +45 4838 0222
E-mail: [email protected]


Member of NIBE Group

SAN Electro Heat a/s was founded in 1950 in Copenhagen. Today we are situated in North Sealand and we are part of the Swedish NIBE Group.

Contact us

Gillelejevej 30b
DK-3230, Graested, Denmark

CVR: 42165913

Tel.: +45 4839 8888
Fax: +45 4839 8898
[email protected]