Originally Posted by
dwmckee
I like the Silca brass head for presta with replacable seal washer. It softens up after a hundred uses or so and is great until the seal finally wears out but then you just unscrew it and put in a new washer and start all over. I have one that is about 20 years old and has had washer replaced 3 times.
+1
Mine is about 20 years old and still works great. The internal rubber seal is replaceable. Generally pump head seals last longer if you avoid buying tubes with threaded valve stems.