Tubular elements | Stainless steel with brass plug

Immersion heaters for liquid heating | Tubular elements in stainless steel with brass plug

Backer manufactures screw-plug immersion heaters for heating water and oil. Available in copper, stainless steel or stainless steel with brass plug. Plug available in 1″, 1 1/4″, and 2″. Immersion heaters are used as heat sources in domestic water heaters, dishwashers, industrial baths, oil radiators and towel dryers, to mention a few examples. Immersion heaters incorporate tubular elements with flanges, nipples or plugs attached either by welding or soldering. Immersion heaters can be equipped with thermostats, temperature limiters and connection boxes. There are also thermostats and temperature limiters for mounting inside the tubular elements. Immersion heaters with ceramic elements are also available. Backer maintains a standard range of immersion heaters in stock (semi assembled) for water or oil heating, for promt delivery. We also manufacture producters according to customer specifications. Contact us if you find what you’re looking for.

Technical specifications

Tubular elements in stainless steel EN 1.4404 Protective tubing with inner dia. 10.6 mm for thermostat and/or thermal cut-off. Brass plug. With element tube in stainless steel and brass head R50. Tubular element in stainless acid resistant steel 1.4404 (AISI 316L). Brass head R50 (G 2”). The element is approved for 9 bar, temperature 120°C. Thermostat tube with inside diameter 11 mm for thermostat and/or temperature limiter.

Brass plug G 1” (without protection tubing)

Type

Power W

Voltage V

Insertion length mm

Art.no.

IU 21

1×250 + 1×750

230

320

3020 398 001

IU 22

1×500 + 1×1000

230

410

3020 398 002

IU 23

1×725 + 1×1225

230

450

3020 398 003

IU 24

1×1250 + 1×1750

230

475

3020 398 004

Brass plug G 1 1/4”

Type

Power W

Voltage V

Insertion length mm

Art.no.

IU 25

1×500 + 1×500

230

160

3020 398 101

IU 26

1×500 + 1×1000

230

255

3020 398 102

IU 27

1×670 + 1×1330

230

255

3020 398 103

IU 29

1×1000 + 1×2000

230

380

3020 398 104

Brass head G 2”

Type

Power W

Voltage V

Insertion length mm

Art.no.

IU 31R

1500

230/400

180

2520 391 501

IU 3R

2000

230/400

260

2520 391 502

IU 34R

3000

230/400

280

2520 548 001

IU 36R

4500

230/400

390

2520 548 002

IU 39R

6000

230/400

390

2520 548 003

IU311R

9000

3×400

390

2520 548 004

IU 3R

9000

3×400

755

2520 548 005

IU 3R

12000

3×400

755

2520 387 504

IR 3R

15000

3×400

900

2520 387 505

IR 315R

15000

3×400

1235

2530 397 706

IU 3R

20000

3×400

900

2520 387 506

IU 3R

23300

3×400

900

2520 387 507

IU 611R

9000

230/400

400

2520 539 303