Commercial Boilers and Water Heaters
As the official UK supplier of Rendamax boilers and water heaters, we provide powerful, modular, low-carbon systems for any commercial application. Engineered with durable, stainless-steel heat exchangers, they deliver unparalleled efficiency and reliability.
Save Up to £40,000 in Operational Costs Over a 20-Year Lifecycle When You Upgrade
Rendamax Boiler R0000
60 - 200kW
- Wall-mounted boiler
- Highly efficient up to 108,7%
- Wide modulation range (1:10)
- Unique premix-burner system
- Extremely low NOx and CO emissions
- H2 Ready
Rendamax Boiler R1000
60 - 200kW
- Floor-standing boiler
- Highly efficient up to 108,7%
- Wide modulation range (1:10)
- Unique premix-burner system
- Extremely low NOx and CO emissions
- H2 Ready
Rendamax Boiler R600 EVO
150 - 570kW
- Highly efficient up to 109,7%
- 8 bar maximum water pressure
- Compact and highly mobile design with adjustable cargo wheels
- Water-cooled, cold flame burner
- Fits through 760mm doorways
- Low water content for fast startup
Rendamax Water Heater R600
142 - 540kW
- Highly efficient up to 98,3%
- Water safe, stainless-steel pipes
- High water recovery of up to 9,230 litres per hour at 50°C
- Pre-mix modulating
- Designed to fit through standard 760mm doors
Rendamax Boiler R3456 EVO
650 - 2000kW
- Highly efficient up to 109,7%
- Delivers outputs up to 2MW
- Modular configuration with 2-4 heat exchanger sections
- Ultra-low NOx and CO
- Features a fully modulating, water-cooled cold flame burner
Need a Spare Part? Order Online Today
Buy OEM Spare Parts for Rendamax, Stokvis, Elco & Ariston Units Online
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Unsure Which Boiler Model to Choose?
Compare performance, outputs and dimensions of each boiler model in our detailed guide.
Need technical advice or sizing guidance? Click here to contact our technical team.
FAQs
How can I improve the efficiency of my commercial boiler?
- Ensure regular servicing and check for any repairs.
- Insulate pipes of the boiler to prevent heat loss.
- Ensure that the system is properly equipped to handle the building’s needs.
What is the average lifespan of a commercial boiler?
- The average lifespan of a commercial boiler is around 15-25 years depending on the type, usage and how well it’s maintained. Regular servicing can help extend its life.
What should I do if my boiler breaks down?
- If your boiler breaks down, you should immediately contact a qualified technician for repairs. You can reach our technical team on 0333 567 1121. We will let you know the relevant procedures to follow, alongside quickly diagnosing the problem and providing a solution.
- You can buy spare parts for Rendamax, Stokvis, Elco and Ariston boilers and water heaters online. Click here to visit our spares store.
Where can I buy Rendamax, Stokvis, Elco or Ariston parts?
- You can buy spare parts for Rendamax, Stokvis, Elco and Ariston boilers and water heaters online from Virdis Energy. Click here to visit our spares store.
How can I prevent my boiler from breaking down?
- Schedule regular maintenance and inspections.
- Take action at the first sign of an issue (e.g., strange noises, leaks, etc.).
- Invest in a quality system that is set up to manage your exact requirements.
How long is the warranty on a boiler?
- A warranty is typically between 3 -10 years (this is often extended with commissioning)
What is the difference between a boiler and a water heater?
- Boilers and water heaters are essentially the same.
- Boilers are used for both space heating and domestic hot water through a combination of tanks and plate heat exchangers.
- Water heaters are the same however the materials used are non-ferrous so the water remains potable.
What is the difference between Rendamax R0000 and R1000 boilers?
- They have the exact same specifications, the R0000 is a wall-mounted boiler and the R1000 is a floor standing boiler.