1"

The 1" 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. No special tools are required for servicing.

The 1" Febco 805 double check valve assembly began production in 1979 and was discontinued in 1988. The 805 was replaced with the 805Y. Bronze body with non removable check seat. Repair parts are no longer available for the original 805 backflow preventers.

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**Note: Lay length may be different.

The 1" Febco 805Y Series Double Check Valve Assemblies began production in 1973. Although discontinued in 2003, a full line of repair parts are still available at backflowpreventer.com. The 805Y was constructed of a bronze body with plastic poppet style check valves. The valve is a wye pattern, featuring 2 covers, both of which should be removed carefully as there is spring tension against the covers. The 805YR models have removable seats. A special seat removal tool is required.

The 1" Febco 805YS Series Double Check Valve Assemblies began production in 1973. Although discontinued in 2003, a full line of repair parts are still available at backflowpreventer.com. Constructed of a bronze body with plastic poppet style check valves. The valve is a wye pattern, featuring 2 covers, both of which should be removed carefully as there is spring tension against the covers. The 805YR models have removable seats. A special seat removal tool is required. The "S" Suffix stands for silicone check rubbers. Normal rubbers will work in this device.

The 1" Febco 825Y Series Reduced Pressure Zone Assemblies began production in 1978 and is still being produced. The early models all were constructed with non-replaceable bronze seats. In 1994 the 825YR model was introduced, which offered replaceable seats. In 2006 the 825Y's all came standard with replaceable seats. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension.

The 1" Febco 825YA Series Reduced Pressure Zone Assemblies began production in 1978 and is still being produced. The 825YA is designed with 90 degree ends for vertical piping configurations. The early models all were constructed with non-replaceable bronze seats. In 1994 the 825YAR model was introduced, which offered replaceable seats. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension.

The 1" Febco 825YR Series Reduced Pressure Zone Assemblies began production in 1994 and was discontinued in 2006. The 825YR featured replaceable seats. In 2006 the 825Y's all came standard with replaceable seats and the 825YR was discontinued. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension.

The Febco 825Y Series Reduced Pressure Zone Assemblies began production in 1978 and is still being produced. The early models all were constructed with non-replaceable bronze seats. In 1994 the 825YR model was introduced, which offered replaceable seats. In 2006 the 825Y's all came standard with replaceable seats. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension. The "S" suffix in 825YS stands for silicone rubber check discs. Normal 825Y repair parts will work in these devices.

The Febco 825Y Series Reduced Pressure Zone Assemblies began production in 1978 and is still being produced. The early models all were constructed with non-replaceable bronze seats. In 1994 the 825YR model was introduced, which offered replaceable seats. In 2006 the 825Y's all came standard with replaceable seats. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension. The 825YA is designed with 90 degree ends for vertical piping configurations.

The Febco 825Y Series Reduced Pressure Zone Assemblies began production in 1978 and is still being produced. The early models all were constructed with non-replaceable bronze seats. In 1994 the 825YR model was introduced, which offered replaceable seats. In 2006 the 825Y's all came standard with replaceable seats. A seat removal tool is required when removing seats. Check covers are threaded into the bronze body. Check springs are not contained and caution should be taken while servicing as covers are under tension. The "S" suffix in 825YS stands for silicone rubber check discs. Normal 825Y repair parts will work in these devices.

The 1" 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" 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" 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" 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" 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.

The 1" Febco LF860 Reduced Pressure Zone (RPZ) backflow preventer was introduced in 2010 and is still in production. The LF860 is a lead free version of the original 860, designed to meet new plumbing codes. 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. No special tools are required for servicing.