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Cash Acme 1/2" Vacuum Relief Drilled Vent, With Dust Cover

Part 518398
MFG PART 22397LF
Brand Cash Acme
FREE shipping
In lower 48 states
Usually ships next day
Hassle-free returns

About this item

  • Cash Acme® .5" Vacuum Relief Drilled Vent With Dust Cover
  • Designed To Protect Hot Water Supply Systems And Pressure Vessels Against Negative Pressure
  • Low Profile Design With Slotted Vent Hole
  • Max Incoming Pressure 200 PSI
  • Max Temp 210° F
  • Certified To ANSI Z21.22/CSA 4.4
  • Prevents Internal Vacuum Conditions
  • Guards Against Siphonage, Burnt Out Heaters And Collapsing Of Storage Tanks And Negative Pressure
  • Opens Quickly In Emergency Situations On A 1" Mercury Vacuum
  • Every Valve Is Tested For Performance Prior To Shipping
  • The Vent Hole Is Protected By A Circular Dust Cover That Is Approximately 1.75" Dia
  • Mfg #22397LF