IT is an indirect water heater for a wide range of applications. This water heater is fitted with 1 heat exchanger. This appliance is available in capacities varying from 300 to 2800 litres. The tank has a PermaGlas Ultra Coat second-generation glass coating to prevent corrosion.

Features IT

  • Capacity: 300 – 2800 litres
  • Single-wall spiral heat exchanger
  • PermaGlas Ultra Coat second-generation glass coating technology prevents corrosion
  • 300: Three adjustable legs facilitate easy installation
  • 400-1000: Insulated ring base
  • Insulated clean out door for comprehensive waterside maintenance
  • Replaceable magnesium anode
  • Removable control column for convenient servicing

Options IT

  • Flexible magnesium anode for installation in confined areas
  • Powered anode for reduced maintenance requirements
  • Temperature and pressure valve with stainless steel spring set to 95°C and a maximum water pressure of 7 bar
  • Analogue temperature gauge (0-120°C)
  • Power anodes
  • Single and three phase electric elements
  • Electric element heat packs (3 – 36 kW)
  • Optional ancillaries: unvented kits
  • Destratification pump kit

Ecodesign specifications

Ecodesign specifications 300 400 500
Load profile:
Energy efficiency class: C C C
Energy efficiency:
  • More information?

    Please fill in the form below and we will contact you as soon as possible.

  • Your question/message:


As a manufacturer of high-end appliances A.O. Smith claims to maximize user convenience and comfort. Therefore, we must be able to support and guarantee that our products run impeccably. Customer satisfaction throughout the service life of our products, that´s A.O. Smith´s promise.
By offering a comprehensive range of services (such as sizing, commissioning, service and maintenance) A.O. Smith validates that promise.