This is a reproduction of the original heater control valve that was used on 1969-1974 Buicks when they were new.
This valve is normally open and will close with vacuum.

Finished in yellow zinc.

Make your Buick heater valve look OEM correct.

Great for that concours restoration.

Heater control valve rubber insulator ring only, click 

Fits: Buick 1969-1974 (all)