What size is Febco 765?
On the ball valve (near the blue handle) there will be a 1/2, 3/4 or 1 embossed on the brass, that will tell you your size. The 1/2″ and 3/4″ 765 use the same repair kit.
What is a Febco 765 used for?
The FEBCO Series 765 Pressure Vacuum Breakers are used to protect against health hazard and non-health hazard backsiphonage conditions in industrial plants, cooling towers laboratories, laundries, swimming pools and lawn sprinkler systems.
What size is a Febco 765 1?
1 inch
What size is Febco 765? The Febco 765 backflow device is available in a variety of sizes at Sprinkler Warehouse. These sizes include the popular 1 inch FPT, the 1-inch union end ball valves, the 1-1/4 inch FPT, and the 1/2 inch FPT backflow preventers.
What is a PVB backflow?
A PVB is a testable mechanical backflow preventer that consists of an independently acting, spring-loaded check valve and an independently acting, spring-loaded air inlet valve on the discharge side of the check valve. It includes shutoff valves at each end of the assembly and is equipped with test cocks.
What is a sprinkler system backflow preventer?
Irrigation backflow preventer devices are designed for installation on potable water lines to protect against both back-siphonage and back-pressure of contaminated water from sprinkler systems into the potable water supply. Backflow assemblies provide protection where potential health hazards exist.
Why is my sprinkler backflow valve leaking?
Fixing Small Backflow Leaks The most common causes are small leaks are debris like dirt, sand, or small rocks causing a blockage inside the valve. Open up the pipes and clean the inside of the valve with running water or a can of compressed air if you have one handy.
Why do vacuum breaker leak?
Temperature can factor into a leaking PVB. During the winter months, water in a PVB freezes and expands, causing cracking and splitting inside the brass body or poppet assembly. As a result of water freeze, the brass body is more susceptible to fracturing.
Is PVB same as backflow preventer?
Pressure Vacuum Breaker Assembly (PVB) A PVB is a testable mechanical backflow preventer that consists of an independently acting, spring-loaded check valve and an independently acting, spring-loaded air inlet valve on the discharge side of the check valve.
What does PVB stand for in plumbing?
An important component that should be part of your home’s sprinkler system is a pressure vacuum breaker, or PVB for short. This valve provides protection against the mixing of non-potable water from your sprinkler system with your home’s potable water supply.
Do I need backflow preventer?
Understand that it is always recommended to install a backflow preventer in any situation where incoming water and waste water have a chance of being cross-connected. This serves to protect you and your home, keeping your drinking, bathing, and cleaning water safe.
What is a FEBCO 825y backflow preventer?
The Febco 825Y RPZ Backflow Preventer features a modular relief valve and replaceable seat rings of all sizes for easy routine maintenance. The “Y” shaped check valves are spring-loaded and the RPZ has internal relief valve pressure sensing passages.
Can RPZ backflow preventers be winterized?
Like many backflow preventers, the RPZ assembly is a valuable part of the sprinkler system that can be fragile under freezing temperatures. Winterizing the backflow device can be done in six easy steps starting by turning off the water supply for the sprinkler system.
Do I need a backflow for my watering system?
In accordance with federal law, a backflow device must be installed for use with any watering system to help prevent contamination of the water supply. It is recommended that customers check their local water authority for installation codes and requirements.
How do you winterize a backflow sprinkler system?
Winterizing the backflow device can be done in six easy steps starting by turning off the water supply for the sprinkler system. Next, make sure that the ball-valve controlling the incoming water is closed and the ball-valve controlling the water going out to the sprinkler system open.