4 in. Prier Products Residential Diamond Series Wall Hydrant. Prier Products 478 Series is Frost-proof, Heavy Duty, Anti-Siphon with 1/2 in. MIP x 1/2 in. SWT inlet for easy installation. Prier Products 478 model is connected to the supply piping in the heated portion of the structure, eliminating the possibility of freezing. Prier Products Diamond Series has a three-year manufacturer's product warranty. Built to last the life of your plumbing system.
- 1/2 turn easy opening with large handle
- Satin nickel plated - will not rust or tarnish
- Easy installation and repair
- Meets ASSE 1019-C and IAPMO/cUPC