The Wacker Neuson E1250 Hydronic Heater delivers 140,000 BTU/h with 87% efficiency. It thaws or cures up to 2,500 ft², and up to 7,500 ft² with accessories. Equipped with a 1,250 ft hose on a single reel, 4.2 kW Kubota-powered generator, and a 74-gallon fuel tank for up to 115 hours of runtime. Features include a heated control panel, digital diagnostics, and telematics readiness. ​