sizing by orifice

bottomheater

anybody have btu/hr data/orifice size? my only clue short of a room to room heat loss calc is a 7/32" orifice in an Economite in a J0T4

Gary Fereday

Fun ?

Looked up the bit # right between #2 & #3 size orifice drill bits. So at 3.5 inches of nat gas @ specific gravity of .60 A #2 would give you, 149.55 cu ft per hour, and a #3 would give you 139.91 cu ft per hour. Hope this helps bigugh OH > @ 3.5 inches of gas pressure

bottomheater

orifice

thanks from the bottom of...