The sealey abi1700 is an indirect fired diesel and kerosene space heater delivering 50kw 170,000btu hr of clean, fume-free heat for workshops, warehouses, construction sites and event spaces. Unlike direct heaters, this indirect model exhausts combustion by-products through a top-mounted flue, making it ideal for environments with limited ventilation or where people are working. This professional space heater features a robust stainless steel combustion chamber with fan cooling, alongside advanced electronic flame control and a danfoss pump for reliable performance. The built-in thermostat automatically maintains your required ambient temperature by cycling the heater on and off, saving fuel whilst providing consistent warmth across areas up to 400-750m . With a generous 69-litre fuel tank providing up to 14 hours of continuous operation, the abi1700 is built for extended use on demanding sites. The 2000m hr airflow ensures rapid heat distribution, whilst large transport wheels and an integrated handle make repositioning straightforward. Safety features include a flame-out device that cuts fuel supply if the flame extinguishes, plus an ipx4 rating for protection against water splashes. Optional accessories expand versatility further ducting model no. Abi1700ak1 and flue systems with rain covers model nos. Abi1700ak2, abi1700ak3, abi1700ak4 are available separately to suit specific site requirements. Features and benefits: indirect firing produces clean, fume-free heat saf...