Watts 0841005 SVA Vent this disc-style limit control provides

this disc-style limit control provides an exact fit and factory-spec calibration

Precision Rollers: Features dedicated grooves to stabilize the tube and allow for cuts directly against flared ends

What applications is this crank arm suitable for

Is the 8402-078BX a direct replacement for the older 8402-078 model

or a motor that hums without turning over

Watts 0841005 SVA Vent this disc-style limit control providesThe Watts 0841005 SVA Vent is a professional grade 1 8" angle vent engineered for high performance air removal in one pipe steam heating systems. As a technical replacement for standard non vacuum adjustable float type steam air vents, this unit features a heavy duty brass body and an internal brass float designed to withstand the rigors of commercial and residential steam mains. This adjustable steam air vent allows for precise proportional venting,