CORNELIUS UF-1 VALVE PARTS REAR MOUNTING BLOCK, COMPLETE

CORNELIUS UF-1 VALVE PARTS REAR MOUNTING BLOCK, COMPLETE
This mounting block comes fully assembled with the two front o-rings
and internal shutoffs. Ready to install.

Make sure you replace the two rear o-rings behind the block.
Order part# 1010751. They come in lots of 15.