Document 28Y8bJ2vkLx2kdkN98Vd5yBa

Fig. 4. H eating Effect at Registers for V arious Stacks w ith lOriNCH L eader American Society of Heating and Ventidtating, Engineers: Guide, 1932 S' I Hi VI tu<f w in < ts I og >huttee.i UoH+ w o D .0 ' PS<w' *2 IE Id PS eo' O U- " . Chapter 5--Gravity Warm Air Heating Systems .. in whole inches. The tops of leaders should be at the same elevation as they leave the furnace bonnet, and from this point there should be a 85