Hot Water Storage Heater Manufacture

When electricity is limited but steam is available, our steam hot water storage heaters are in high demand. From hospitals to hostels, many key industries rely on our quality heating solutions.

Hot Water Storage Heater 

Whether it’s a school ablution block or a busy hospital, Cyclotherm Boilers steam hot water storage heater is an effective heating solution. From hospitality to education, key industries and sectors rely on our heating know-how and experience. Our vessels are designed to the highest specifications, and each one is manufactured from superior materials for a high quality end product.

  • All Cyclotherm Boilers hot water storage heaters are designed in accordance with the ASME III Boiler & Pressure Vessel Code. Good engineering practice is always adhered to
  • Our vessels are available in vertical or horizontal configurations to suit your needs
  • Our hot water storage heaters are manufactured from fully welded carbon steel. Our team can supply a stainless steel alternative on request
  • All Cyclotherm mild steel vessels are coated with Aluminium flame spray. They are then sealed with Sigmarite sealer as standard or with Glasflake VEF. We do have alternative coatings available, such as Phenoline 1205 or Sigma Phenguard
  • Connections up to 50mm will be a heavy-duty machined nipple, while larger connections will be flanged.
  • Each vessel is individually fitted with a 400 x 300 (measurement? mm?) oval manhole complete with a 12mm cover. It also features a 22mm class 2 copper pipe that is expanded into a suitably sized flange
  • All Cyclotherm vessels are insulated with 50mm thick IW24 fiberglass lagging and 0.6mm thick galvanized sheet metal cladding. We do have alternative lagging and cladding available on request
  • Because safety is a top priority, every Cyclotherm vessel is fitted with an over temperature and pressure 25mm safety valve
  • All vessels are fitted with a dual control and overriding thermostat
  • While the standard working pressure of our vessels is 400 Kpa, higher pressures are available on request
  • Because quality is a key concern at Cyclotherm, each of our vessels is supplied with a data book consisting of the following:
    • A third party pressure test certificate and certificate of compliance
    • An ISO quality control plan
    • Third party verified drawing and design calculations

Why Do I Need Cyclotherm's Solutions?


patented technology

We manufacture a comprehensive range of Heated Boiler solutions with our patented heating solution.


quality manufacturing

Our quality of material and manufacturing processes ensure you get the end product you expect.


breakdown service

We know and understand our clients needs to be kept up and running and the cost of having their system down, which is why we have emergency services available.


Proudly South African

We are a home grown South African company founded in 1970.


Affordable solutions

When it comes to longevity, our product outlasts anticipated life spans and stands up extremely well against the test of time. Many of our systems are still running 40+ years later.



We have dedicated teams qualified in ensuring you are kept up and running.

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