Garden Hose Vacuum Breaker

Provides protection against backsiphonage incidents only.

Garden hose vacuum breaker.

Anti siphon hose bib vacuum breaker prevents accidental siphoning of hazardous material into the plumbing system when there is a loss of pressure due to a power outage. Applications include irrigation systems firelines and industrial process water systems. The brasscraft 1 2 in. Item 193433 model ppvb34anl.

800m4 pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphon age. Sungator 2 pack vacuum breaker set 3 4 inch anti siphon hose bib valve for garden spigot rv solid brass anti backflow valve with tape 4 4 out of 5 stars 187 12 99 12. Easy to install with minimal fuss. It protects drinking water.

The hvb is an avb and must follow the installation parameters of table 603 2. Proplumber yard hydrant vacuum breaker brass fnpt 3 4 in vacuum breaker. It consists of bronze body construction silicone rubber check valve disc plastic check valve seat stainless steel springs a bonnet with silicone rubber o ring seal a lightweight plastic. Hvbs must be installed at least six inches above the ground surface.

Vacuum breakers are built into newer frost proof water valves the bottom portion of the breaker on the garden hose faucet unscrews but it s almost impossible to find replacement gaskets. The vacuum breaker which is required in some municipalities screws onto to your faucet and prevents water from flowing backward from your hose into the water supply. Sungator 2 pack vacuum breaker set 3 4 inch anti siphon hose bib valve for garden spigot rv solid brass anti backflow valve with tape 4 4 out of 5 stars 183 12 99 12. The vacuum breaker prevents water from flowing backward into the house.

Hose connection vacuum breakers a hose connection vacuum breaker should be installed on each faucet or hose bibb that is connected to the potable water supply to prevent backflow into the water supply. This reduces pressure in the line and confirms the valve is working. Designed for use in health hazard cross connections and continuous pressure applications where the water enters the equipment at or below its flood rim. The vacuum breaker has a small valve that opens when the pressure drops allowing air to bleed into the system.

When the check valve is closed it has vents that open to release the water.