Domestic hot water boilers and storage tanks

Equipped with a butt-welded end cap and bottom plate, inspection opening, leg or base plate support, and available in threaded or flanged connection fittings, SIMON domestic hot water (DHW) boilers and storage tanks can store from 50 up to 15,000 litres of potable water.

Integrated high-capacity boiler heat exchanger constructed from smooth stainless-steel or ribbed copper tubes for better formability and higher thermal conductivity provides a constant supply of instant hot water and, if equipped with an electric immersion heater, SIMON boilers allow for maximum efficiency, which makes them a superior choice for your domestic water heating and storage system.

Constructed from corrosion-resistant AISI 304, AISI 316, AISI 316L stainless steel sheet, and pressure, temperature and capacity tested to allow for different pressure-temperature regimes, SIMON boilers and storage tanks meet the highest safety standards and technical regulations on domestic water heating, thus ensuring superior performance, ultimate comfort, increased durability and longevity.


We understand that no two project requirements are the same, so alongside our fully customizable SIMON DHW boilers, storage tanks and connecting elements, we provide a dedicated technical & design support service to work with you on project planning and technical documentation needed to meet the exacting needs of your project.




  • Premium quality and fast execution
  • Bespoke solutions (completely customized dimensions and connection fittings to meet your specific demands)
  • Seamless integration and simple connection to internal DHW installation
  • Allowing for different pressure-temperature regimes
  • Safe and easy operation, use, servicing and maintenance
  • End-to-end solution, from planning and engineering to after-sales support



SIMON boiler and storage tank labelling:






SIMON Manufacturer
BTV 500 Domestic hot water boiler with a storage capacity of 500 l, heat exchanger (smooth stainless steel or ribbed copper)
BTVE 500 DHW boiler with a storage capacity of 500 l, electric immersion heater
ATV 500 DHW storage tank with a storage capacity of 500 l



Manufactured to the highest of standards using only premium materials and original components to comply with uncompromising hygiene regulations, SIMON DHW boilers and storage tanks are a winning combination of domestic hot water preparation technologies fundamental to all customers in pursuit of superior performance, perfect safety and ultimate comfort.



Domestic hot water boilers and storage tanks

SIMON ATV 400 storage tank for domestic hot water production with a storage capacity of 400 l