air heating machine for greenhouse and workshop

Model NO.: RDER Heat Transfer Surface: Tubular Heat Exchanger Structure Material: Glavanized Sheet Purpose: Heater Principle: Regenerative Heat Exchanger Export Markets: North America, Eastern Europe, Africa, Mid East Product Description RDER Auto Oil-burning Heating Machine 1. Heating area: 300/600/1200 square meters. 2. Stainless steel combustion chamber, thermal conversion as high as 90%. 3. Stainless steel heat exchanger is made of 321(1Cr18Ni9Ti) stainless steel plate,