Retail LocationsContact UsShop by BrandFeatured
Call an expert: (888) 845-8200
Culinary Depot Logo
Sign In
Culinary Depot Logo
FacebookInstagramLinkedInYoutube
Trustpilot

Get special offers and product updates.

Company

  • Story & Mission
  • About Us
  • Advantages
  • Join the Team
  • Supercenters
  • Florida Stores

Resources

  • Request a Quote
  • Blog
  • Equipment Financing
  • Credit Key
  • Energy Incentives

Services

  • Our Services
  • Commercial Design
  • Kitchen Contractor
  • Supermarket Designs
  • Build a Bar
  • Equipment Leasing

Support

  • Login or register
  • Contact us
  • Buying guides
Trustpilot
Terms of use|Privacy Policy

Copyright 2026 Culinary Depot. All rights reserved.

Fisher 3990 1/2" M Inlet Atmospheric Vacuum Breaker

Shop all Fisher Breakers, Valves & Preventers
SKU:
3990
MPN:
3990
zoom
$226.49 /each
$20.95 / month with Credit Key Learn more
Usually ships in 2 - 3 Business Days
Commercial design services

Discover a whole new degree of kitchen customization with our proven idea-through-installation model. Learn more

Fisher 3990 1/2" M inlet atmospheric vacuum breaker protects potable water systems from backflow and siphonage.

  • Meets CSA safety standards
  • Durable for commercial use
  • Suitable for faucets, sinks, and drains
  • 1/2" M inlet for plumbing compatibility
  • Compact 3.5 pounds for easy install
  • Atmospheric design prevents backflow

Weight3.5 LBS
ManufacturerFisher
Filter TypeVacuum Breakers
Dimensions19.5 9 3
Weight3.5 LBS
ManufacturerFisher
Filter TypeVacuum Breakers
Dimensions19.5 9 3

Downloads

  • Downloadspecsheet

  • Restaurant Equipment
  • Restaurant Faucet and Plumbing
  • Faucet, Sink, & Drain Accessories
  • Faucet Parts and Accessories
  • Breakers, Valves & Preventers
  • Restaurant Equipment
  • Restaurant Equipment
  • Restaurant Faucet and Plumbing
  • Faucet, Sink, & Drain Accessories
  • Faucet Parts and Accessories
  • Breakers, Valves & Preventers
  • Fisher 3990 1/2" M Inlet Atmospheric Vacuum Breaker

Related products

picture

T&S Brass B-0963-HA Vacuum Break Hood Assembly

$16.44/ Each

picture

T&S Brass 5PR-VB Equip Vacuum Breaker dual check 3/8"

$78.49/ Each

picture

T&S Brass B-0969 Atmospheric Vacuum Breaker 1/2"

$42.40/ Each

picture

Fisher 2932 1/4" F Outlet Swivel Elbow With Vacuum Breaker

$106.49/ Each

picture

T&S Brass B-0962 Vacuum Breaker vented

$240.89/ Each

picture

T&S Brass B-CVH3-4 Check Valve 3/4"

$66.79/ Each

picture

T&S Brass B-CVH3-8 Check Valve 3/8"

$50.67/ Each

picture

Fisher 14443 1/2" F Inlet and Outlet Pressure Vacuum Breaker

$779.00/ Each

picture

Fisher 2935-8000 3/4" F Inlet & Outlet Atmospheric Vacuum Breaker Assembly

$146.99/ Each

picture

Fisher 14540 1/2" F Inlet And Outlet Wall-Mounted Anti-Spill Pressure Vacuum Breaker

$799.00/ Each

More from Fisher

picture

Fisher 10812 Vertical Bronze Handle Glass Filler Valve

$69.99/ Each

picture

Fisher 29120 12" Swing Spout Brass Add-On Faucet for Rigid Control Valves

$83.70/ Each

picture

Fisher 12203 72" Long Stainless Steel Replacement Pre-Rinse Hose

$86.49/ Each

picture

Fisher 53058 12" Add-On Stainless Steel Swing Spout & Faucet Pre-Rinse Unit

$609.00/ Each

picture

Fisher 28959 Locking Basket Strainer Chrome Finish DrainKing Waste Valve

$234.99/ Each

picture

Fisher 3070 1/2" NPT Female Inlet & Outlet Floor Mount Brass Single Pedal Foot Control Valve

$107.80/ Each

picture

Fisher 61549 8" Centers 1/2" NPT Male Inlets Stainless Steel Backsplash Mount Control Valve

$196.99/ Each

picture

Fisher 2918-68 68" Long With Handle Adapter For T&S Pre-Rinse Replacement Pre-Rinse Hose

$104.49/ Each

picture

Fisher 13230 6" Swing Spout Brass Backsplash Mount Faucet

$202.49/ Each

picture

Fisher 47988 Stainless Steel Floor Foot Valve

$214.49/ Each

picture

Fisher 2970-3 1/2" F Outlet Temperature Control Valve With Internal Spring Loaded Check Valves

$74.49/ Each

picture

Fisher 72813 Stainless Steel Chem-Tee

$41.49/ Each

picture

Fisher 11061 Bronze Handle Pot Filler Valve

$92.99/ Each

picture

Fisher 29000 Less Swing Spout Add-On Faucet

$74.59/ Each

picture

Fisher 70645 1/2" x 1 1/4" Stainless Steel Nipple With Locknut

$12.99/ Each