Electric Heating Elements for Hot Water Storage Tanks

Electrical Elements

Electrical heating elements make it possible to heat storage tanks directly using electricity or to provide additional heating capacity in existing installations. Depending on the tank type, a range of power outputs and connection options are available.

Below, you will find an overview of compatible electrical elements for each storage tank, including article numbers and technical specifications. This makes it easy to select the right solution for your application.

HPST

SPECSHEET

HPST 300- 3000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0338321(S)	Immersion heater	3	400	Threaded 2 1/2"	85°C
0338322(S)	Immersion heater	6	400	Threaded 2 1/2"	85°C
0338323(S)	Immersion heater	9	400	Threaded 2 1/2"	85°C
0338324(S)	Immersion heater	12	400	Threaded 2 1/2"	85°C
0338325(S)	Immersion heater	15	400	Threaded 2 1/2"	85°C
0338326(S)	Immersion heater	18	400	Flange DN 150	85°C
0338327(S)	Immersion heater	24	400	Flange DN 150	85°C
0338328(S)	Immersion heater	30	400	Flange DN 150	85°C

HPST 600 - 3000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0338329(S)	Immersion heater	36	400	Flange DN 150	85°C
0338330(S)	Immersion heater	45	400	Flange DN 150	85°C

HPST 1000 - 3000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0338331(S)	Immersion heater	60	400	Flange DN 150	85°C
0338332(S)	Immersion heater	75	400	Flange DN 150	85°C
0338333(S)	Immersion heater	90	400	Flange DN 150	85°C

ST + IT/S

SPECSHEET

ST + IT/S 300/ 400/ 500

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0304285(S)	Immersion heater	2	230	Flange	75°C
0304286(S)	Immersion heater	2.5	230	Flange	75°C
0304287(S)	Immersion heater	3.3	230	Flange	75°C
0304288(S)	Immersion heater	6	400	Flange	75°C
0304289(S)	Immersion heater	7.5	400	Flange	75°C

ST + IT/S 600/ 750/ 1000 with flange 0304405(S)

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0304285(S)	Immersion heater	2	230	Flange	75°C
0304286(S)	Immersion heater	2.5	230	Flange	75°C
0304287(S)	Immersion heater	3.3	230	Flange	75°C
0304288(S)	Immersion heater	6	400	Flange	75°C
0304289(S)	Immersion heater	7.5	400	Flange	75°C

ST + IT/S 600/ 750 / 1000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0313990(S)	Immersion heater	18	400	Flange	90°C
0313991(S)	Immersion heater	24	400	Flange	90°C
0313992(S)	Immersion heater	27	400	Flange	90°C
0313993(S)	Immersion heater	36	400	Flange	90°C
0313994(S)	Immersion heater	48	400	Flange	90°C

ST + IT/S 300/ 400 /500 with flange 0304752(S)

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0304291(S)	Immersion heater	2	230	Threaded 1 1/2"	75°C
0304292(S)	Immersion heater	2.5	230	Threaded 1 1/2"	75°C
0304293(S)	Immersion heater	3	400	Threaded 1 1/2"	75°C
0304294(S)	Immersion heater	4.5	400	Threaded 1 1/2"	75°C
0304295(S)	Immersion heater	6	400	Threaded 1 1/2"	75°C
0304296(S)	Immersion heater	7.5	400	Threaded 1 1/2"	75°C

ST + IT/S 600/ 750 /1000 with combination of flanges 0304405(S) and 0304752(S)

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0304291(S)	Immersion heater	2	230	Threaded 1 1/2"	75°C
0304292(S)	Immersion heater	2.5	230	Threaded 1 1/2"	75°C
0304293(S)	Immersion heater	3	400	Threaded 1 1/2"	75°C
0304294(S)	Immersion heater	4.5	400	Threaded 1 1/2"	75°C
0304295(S)	Immersion heater	6	400	Threaded 1 1/2"	75°C
0304296(S)	Immersion heater	7.5	400	Threaded 1 1/2"	75°C

ST

SPECSHEET

ST 400/ 500

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0313985(S)	Immersion heater	18	400	Flange	90°C
0313986(S)	Immersion heater	24	400	Flange	90°C
0313987(S)	Immersion heater	27	400	Flange	90°C
0313988(S)	Immersion heater	36	400	Flange	90°C
0313989(S)	Immersion heater	48	400	Flange	90°C

ST 600/ 750 / 1000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0313995(S)	Immersion heater	60	400	Flange	90°C

ST 1000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0313996(S)	Immersion heater	90	400	Flange	90°C

ST + IT

SPECSHEET

ST + IT 1500/ 2000/ 2500/ 3000

AOS article number	Description	kW	Voltage	Connection	Max setpoint
0313997(S)	Immersion heater	12	400	Flange	90°C
0313998(S)	Immersion heater	18	400	Flange	90°C
0313999(S)	Immersion heater	24	400	Flange	90°C
0336000(S)	Immersion heater	30	400	Flange	90°C
0336001(S)	Immersion heater	36	400	Flange	90°C

Electrical Elements

HPST

HPST 300- 3000

HPST 600 - 3000

HPST 1000 - 3000

ST + IT/S

ST + IT/S 300/ 400/ 500

ST + IT/S 600/ 750/ 1000 with flange 0304405(S)

ST + IT/S 600/ 750 / 1000

ST + IT/S 300/ 400 /500 with flange 0304752(S)

ST + IT/S 600/ 750 /1000 with combination of flanges 0304405(S) and 0304752(S)

ST

ST 400/ 500

ST 600/ 750 / 1000

ST 1000

ST + IT

ST + IT 1500/ 2000/ 2500/ 3000

ST + IT 2500/ 3000