Depending on their power, the built-in heaters consist of a corresponding number of high-quality heating pipes that are mounted on a flange plate. The most suitable built-in heating type can be selected from our comprehensive range based on the required power, the installation position, the available installation length and the required heating assemblies.

  • Continuous temperature adjustment up to 85 °C
  • Energy saving setting at 65 °C
  • Frost protection setting
  • All-pole safety temperature limiter
  • Optimal corrosion protection of the heating rods

Model

Item no.

Nominal power kW

Nominal voltage V

Installation length mm

Installation option

Flange X mm

Downloads

horizontal

vertical from below

only in horizontal storage tank

REU 18-1,7

A 902 25

1,7

~230

430

X

X

-

180

Catalogue
Operating instructions

REU 18-2,0

A 902 26

2,0

~230

430

X

X

-

180

Catalogue
Operating instructions

REU 18-2,5

A 902 27

2,5

~230

430

X

X

-

180

Catalogue
Operating instructions

REU 18-3,3

A 902 28

3,3

~230

430

X

X

-

180

Catalogue
Operating instructions

RDU 18-2,5

A 902 29

2,5

3~400

430

X

X

-

180

Catalogue
Operating instructions

RDU 18-3,0

A 902 30

3,0

3~400

430

X

X

-

180

Catalogue
Operating instructions

RDU 18-3,8

A 902 31

3,8

3~400

430

X

X

-

180

Catalogue
Operating instructions

RDU 18-5,0

A 902 32

5,0

3~400

430

X

X

-

180

Catalogue
Operating instructions

RDU 18-6,0

A 902 33

6,0

3~400

430

X

-

-

180

Catalogue
Operating instructions

RDW 18-7,5

A 902 34

7,5

3~400

430

X

-

-

180

Catalogue
Operating instructions

RDW 18-10

A 902 35

10,0

3~400

430

X

-

-

180

Catalogue
Operating instructions

RSW 18-12

A 902 36

12,0

3~400

530

X

-

-

180

Catalogue
Operating instructions

RSW 18-15

A 902 37

15,0

3~400

630

X

-

-

180

Catalogue
Operating instructions

RUL 18-2/5 switchable to direct connection 

A 902 38


2,0

~230

500

X

-

X

180

Catalogue
Operating instructions

2,65

~230

500

X

-

X

180

4,1

3~400

500

X

-

X

180

4,65

3~400

500

X

-

X

180

RDW 2-9 U switchable to direct connection

A 902 02

6,0

3~400

430

X

-

-

240

Catalogue
Operating instructions

7,5

3~400

430

X

-

-

240

9,0

3~400

430

X

-

-

240

RSW 2-24 U switchable to contactor control

A 902 04

12,0

3~400

530

X

-

-

240

Catalogue
Operating instructions

16,0

3~400

530

X

-

-

240

24,0

3~400

530

X

-

-

240

RSW 2-45 U switchable to contactor control


A 902 05


20,0

3~400

630

X

-

-

240

Catalogue
Operating instructions

30,0

3~400

630

X

-

-

240

35,0

3~400

630

X

-

-

240

45,0

3~400

630

X

-

-

240

Subject to technical changes and printing errors.