BX rad hose

[DeepandDirty]

Hi folks, anyone happen to know the inside dimensions for a bx2370 rad hose?
I am installing an auxiliary heater and want to order the fittings.

 

[DeepandDirty]

Upper radiator hose, Type : Upper, Inside Diameter : 1", Secondary Inside Diameter : 1"

Lower radiator hose, Type : Lower, Inside Diameter : 1", Secondary Inside Diameter : 3/4"