
Prevents internal vacuum conditions that could collapse storage tanks - especially copper. Bronze body with a male inlet, integral body seat and silicone seat disc. Maximum water pressure 200 psi. Maximum temperature 210°F (99°C). Capacity 13 SCFM at 2" Hg. Available with dust cover.
Designed to protect hot water supply systems and pressure vessels.
The VR-801 is design certified to ANSI Z21.22 / CSA 4.4
The Datasheets provided are in Adobe's® PDF format. You will
need the free Acrobat plug-in
to view them. Get it now.
![]()
Contact our knowledgeable sales staff, and we will help you find exactly what you need. Call us Toll Free at 1-877-700-4242 or