For exhaust
hose with inside diameters of 2", 2-3/8",
3" or 3-1/2" I.D. There is a choice of three
different waterlocks suitable for 2" I.D. hose. The
smaller model L50R, in to be used when the exhaust line
is relatively short, whereas the larger
model LP50S comes into proper use with a long
length exhaust tubing. Alternatively use model
LSS50. These waterlocks are provided with a drain plug.