Automatic pellet burners and boilers
for wood pellets and agri pellets


Useful information

  • Where do I buy biomass pellets or other fuel, and is there enough of it?

„There are many manufacturers of biomass pellets. Biomass pellets are a renewable resource, the material for its manufacture grows in the fields every year and there is enough of it. These pellets are manufactured by many farmers and agricultural businesses throughout the Czech Republic. We will gladly recommend the nearest supplier of biomass or wood pellets from our database.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • How much do I save after starting to heat with biomass pellets instead of gas?

„Multiply the annual costs of gas by 0.35 and you get the approximate amount of money you spend to buy pellets for the heating season (pellets at the cost of CZK 3,000/t, and calorific value of 16 MJ/kg). If you divide the resulting amount by the price of pellets per ton (in the above example CZK 3,000), you will get the required amount of pellets in tonnes per heating season. For more information about saving on heating with PETROJET boilers, click here.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • What does it mean the boiler is automatic? Do I have to ignite it manually?

„The boiler uses a screw conveyor to transport pellets of different size from the hopper. The boiler ignites and turns off at the direction of the thermostat, after each heating cycle the burner cleans itself. Ash from the boiler is usually removed one to three times per week (depending on the type of pellets, 1 to 10% of ash remains).“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • How many pellets will I need for the heating season with the PETROJET Biorobot 15 boiler?

„PB 15 boiler will typically have an annual consumption of 3 to 5 tonnes of biomass pellets, wood pellets or other biomass fuel. We will gladly calculate a more accurate estimate of your consumption.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • What is the hourly pellet consumption in the PETROJET Biorobot 15 boiler?

„The approximate consumption of pellets is about 1 kg for 4.5 kWh. When fully operational, the PB 15 boiler’s consumption will be about 3.5 kg/h depending on the calorific value of fuel. When calculating consumption, it is necessary to take into account that the boiler does not usually heat 24 hours a day. We will gladly calculate a more accurate estimate of your consumption. This approximate calculation is also valid for other PETROJET boilers.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • What fuel can I use in the PETROJET Biorobot pellet boilers?

„The boilers can burn wood pellets, almost all kinds of biomass pellets and other biomass materials. A more detailed list of fuels can be found on the product pages of our pellet boilers. If you want to use fuel that is not listed here, please contact our sales department by e-mail or by phone at 777 700 096. We will gladly test your fuel in our demo centre in Rakovník, U koupaliště 2707. We have tested over 80 types of fuels from our customers.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • I have heard that aggressive chemical compounds develop during combustion of biomass that deplete the body of the boiler and the chimney.

„PETROJET burners operate with efficiency up to 96% and at temperatures up to 1,200 °C. Due to the high temperature and high efficiency, fuel is transformed into thermal energy. Flue gases from boilers leave no scents that bother the surroundings, nor aggressive substances, which could harm the boiler or chimney. Our boilers have been in operation for seven years and the boiler bodies show no signs of wear by chemical compounds.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • Are there any special requirements for the chimney when installing the PETROJET pellet boiler?

„The PETROJET boilers have no special requirements for the chimney.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

  • Do I need to buy a storage tank for the PETROJET boiler?

„The PB 15 and PB 30 boilers are factory equipped with electronic control with hysteresis thermostat that enables the boiler to operate without a storage tank. The installation of a storage tank may not be necessary if you have the volume of water in the heating system of about 100 litres per 10 kW of the boiler output.“

Petrojet Trade s.r.o.,
Sales, Service, Consulting Services

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Production, Sale, Service
Petrojet Trade s.r.o. | U koupaliště 2707, 269 01 Rakovník, CZ
Mob.: +420 777 700 097 | E-mail: info@multibio.eu

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