The Grant Vortex Boiler House 26/46 is a robust oil-fired heating solution specifically engineered for installation in plant rooms, cellars and external outbuildings. Featuring a distinctive red powder-coated casing, this model integrates Grant's patented stainless steel heat exchanger and turbulator baffle system to deliver exceptional thermal transfer. Operating with an output range of 26kW to 46kW, the boiler achieves high ErP A-rated heating efficiency, significantly reducing long-term fuel consumption for off-grid properties demanding reliable space heating and domestic hot water generation.

Equipped with an externally mounted Riello RDB low-NOx burner, this 145kg unit ensures cleaner combustion and straightforward access for annual servicing and mechanical diagnostics. The boiler is fully compatible with standard Grant EZ-Fit flue systems and allows for the same versatile flue configurations as utility models. Measuring 877mm in height and 455mm in width, the compact footprint simplifies positioning in restricted plant spaces, while its biofuel compatibility offers a future-proofed heating infrastructure for modern installations.

Q: What is the heat output range of this boiler?
A: The unit provides a variable space heating output between 26kW and 46kW.

Q: Can this boiler run on biofuel?
A: Yes, the range is compatible with certain biofuel blends depending on the exact specification.

Q: What type of burner is fitted to this model?
A: It is supplied with an externally mounted Riello RDB low-NOx burner.

Q: Where is this boiler designed to be installed?
A: It is specifically designed for plant rooms, cellars and garage environments.