Note: 51123-VIEGA only works on the older style 3/8" compression Manablocs.
Product Features:
| Size: | 1/2" x 3/8" |
|---|---|
| PEX Size: | 1/2" |
| Connection Type: | PEX Crimp |
| Material: | PolyAlloy |
| Lead Free: | Yes |
| Type: | Port Adapter |

This fitting is designed to connect 1/2" nominal PEX (.475" ID/.625" OD) to Manablocs designed for 3/8" nominal PEX compression connections. There is no PEX that has an inside diameter of exactly 1/2".