Crown Boiler BWC Series - Manual (Page 13)

10
Vertical Terminal
P/N Vent Size ‘Y1’ ‘Y2’ ‘Y3’
230532 80/125 50” 19-1/2” 23”
230570 100/150 61” 28” 23”
Notes: 1. Requires fl at or sloped roof fl ashing
shown on following pages.
2. Inner pipe is aluminum.