---
title: "Electrical Elements"
date: 2025-11-08
author: "Kate"
---

# Electrical Elements

##  Kappa Tanks 

 ![HPST](https://aosmithinternational.com/wp-content/uploads/2025/09/HPST.png "HPST") ### HPST 300- 3000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0338321(S)Immersion heater3400Threaded 2 1/2″85°C0338322(S)Immersion heater6400Threaded 2 1/2″85°C0338323(S)Immersion heater9400Threaded 2 1/2″85°C0338324(S)Immersion heater12400Threaded 2 1/2″85°C0338325(S)Immersion heater15400Threaded 2 1/2″85°C0338326(S)Immersion heater18400Flange DN 15085°C0338327(S)Immersion heater24400Flange DN 15085°C0338328(S)Immersion heater30400Flange DN 15085°C### HPST 600 – 3000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0338329(S)Immersion heater36400Flange DN 15085°C0338330(S)Immersion heater45400Flange DN 15085°C### HPST 1000 – 3000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0338331(S)Immersion heater60400Flange DN 15085°C0338332(S)Immersion heater75400Flange DN 15085°C0338333(S)Immersion heater90400Flange DN 15085°C##  ST + IT/S 

 ![ITS-2 (1)](https://aosmithinternational.com/wp-content/uploads/2016/06/ITS-2-1.png "ITS-2 (1)") ### ST + IT/S 300/ 400/ 500

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0304285(S)Immersion heater2230Flange75°C0304286(S)Immersion heater2.5230Flange75°C0304287(S)Immersion heater3.3230Flange75°C0304288(S)Immersion heater6400Flange75°C0304289(S)Immersion heater7.5400Flange75°C### ST + IT/S 600/ 750/ 1000 with flange 0304405(S)

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0304285(S)Immersion heater2230Flange75°C0304286(S)Immersion heater2.5230Flange75°C0304287(S)Immersion heater3.3230Flange75°C0304288(S)Immersion heater6400Flange75°C0304289(S)Immersion heater7.5400Flange75°C### ST + IT/S 600/ 750 / 1000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0313990(S)Immersion heater18400Flange90°C0313991(S)Immersion heater24400Flange90°C0313992(S)Immersion heater27400Flange90°C0313993(S)Immersion heater36400Flange90°C0313994(S)Immersion heater48400Flange90°C### ST + IT/S 300/ 400 /500 with flange 0304752(S)

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0304291(S)Immersion heater2230Threaded 1 1/2″75°C0304292(S)Immersion heater2.5230Threaded 1 1/2″75°C0304293(S)Immersion heater3400Threaded 1 1/2″75°C0304294(S)Immersion heater4.5400Threaded 1 1/2″75°C0304295(S)Immersion heater6400Threaded 1 1/2″75°C0304296(S)Immersion heater7.5400Threaded 1 1/2″75°C### ST + IT/S 600/ 750 /1000 with combination of flanges 0304405(S) and 0304752(S)

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0304291(S)Immersion heater2230Threaded 1 1/2″75°C0304292(S)Immersion heater2.5230Threaded 1 1/2″75°C0304293(S)Immersion heater3400Threaded 1 1/2″75°C0304294(S)Immersion heater4.5400Threaded 1 1/2″75°C0304295(S)Immersion heater6400Threaded 1 1/2″75°C0304296(S)Immersion heater7.5400Threaded 1 1/2″75°C##  ST 

 ![ST (1)](https://aosmithinternational.com/wp-content/uploads/2016/06/ST-1.png "ST (1)") ### ST 400/ 500

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0313985(S)Immersion heater18400Flange90°C0313986(S)Immersion heater24400Flange90°C0313987(S)Immersion heater27400Flange90°C0313988(S)Immersion heater36400Flange90°C0313989(S)Immersion heater48400Flange90°C### ST 600/ 750 / 1000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0313995(S)Immersion heater60400Flange90°C### ST 1000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0313996(S)Immersion heater90400Flange90°C##  ST + IT 

 ![IT-1](https://aosmithinternational.com/wp-content/uploads/2026/03/IT-1.png "IT-1") ### ST + IT 1500/ 2000/ 2500/ 3000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0313997(S)Immersion heater12400Flange90°C0313998(S)Immersion heater18400Flange90°C0313999(S)Immersion heater24400Flange90°C0336000(S)Immersion heater30400Flange90°C0336001(S)Immersion heater36400Flange90°C### ST + IT 2500/ 3000

 *Expand* AOS article numberDescriptionkWVoltageConnectionMax setpoint0336002(S)Immersion heater45400Flange90°C