The 1/2" Febco 765 pressure vacuum breaker began production in 1975 and is still currently produced. Time tested, it has become an industry leader and is very common. Bronze body with non removable check seat. Commonly found on irrigation systems. A slight design change took place in the 1990s and the bonnet O-Ring thickness was changed. Repair kits include both style bonnet O-rings. No special tools are required for servicing.
The 1/2" Febco 850 Series began production in 1997. Known as the "Master Series" the 850 is an inline check, single cover design. The body is constructed of bronze with plastic check modules. In 2010, the lead free version, 850LF was introduced. The "leaded" and "lead free" models use the same repair parts. No special tools are required for servicing.
The 1/2" Febco 850 Series began production in 1997. Known as the "Master Series" the 850 is an inline check, single cover design. The body is constructed of bronze with plastic check modules. In 2010, the lead free version, 850LF was introduced. The "U" suffix stands for union ball valves. LF850 and 850 models use the same internal parts. No special tools are required for servicing.
The 1/2" Febco LF850 Series began production in 2010 and was designed to replace the original non-lead free 850. Known as the "Master Series" the LF850 is an inline check, single cover design. The body is constructed of lead free bronze with plastic check modules. LF850 and 850 models use the same internal parts. No special tools are required for servicing.
The 1/2" Febco 860 Reduced Pressure Zone (RPZ) backflow preventer was introduced in 1997 and is still in production. Known as Febcos "Master Series", the 860 feature an in-line check design with bottom mounted relief valve. Check assemblies are self contained modular style. The relief valve is a stem type with internal sensing line. In 2010, the LF860 was introduced as a lead free model to meet new plumbing codes. Both original and lead free versions use the same repair parts. No special tools are required for servicing.
The 1/2" Febco 860U Reduced Pressure Zone (RPZ) backflow preventer was introduced in 1997 and is still in production. The "U" suffix stands for union ball valves. The 860U uses the same parts as the 860. Known as Febcos "Master Series", the 860 feature an in-line check design with bottom mounted relief valve. Check assemblies are self contained modular style. The relief valve is a stem type with internal sensing line. In 2010, the LF860 was introduced as a lead free model to meet new plumbing codes. Both original and lead free versions use the same repair parts. No special tools are required for servicing.