The Arrowhead Brass PK2012 is a genuine 12-inch replacement stem assembly specifically engineered for the Arrowhead Brass 420 Series frost-proof wall hydrants. This heavy-duty lead-free bronze assembly is designed for hydrants installed through 12-inch thick walls, though the physical part measures 16 inches from end-to-end. It serves as a direct OEM solution to fix common issues like uncontrollable leaking from the hose thread or packing nut, ensuring your outdoor plumbing remains protected from freezing.
PK2012
- The assembly comes complete with the necessary parts for a full stem replacement.
- 420 Series stem assembly- 12″ hydrant (measures 16″ end to end).
- Anti-siphon series with built in check assembly (PK2016).
- 12-pt handle spline.
Customer submitted image.

