Features
- Model AD-1: designed for use with Tyco® dry pipe, deluge, and preaction valves
- Model AD-3 Automatic Drain Valve is designed for use with Tyco® DV-5A deluge and preaction valves
- Model AD-2: designed to automatically drain water from fire protection equipment supply connections that are to be maintained normally dry
- Listings and approvals vary by specific model – see applicable technical data sheet for details