4"

The 4" Ames Colt series C-200 Double Check Valve Assemblies began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. The Colt Series has become a top seller of Ames due to the light weight design and short lay lengths. It is also offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Colt uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Colt series devices, including rubber parts and complete parts. There are no special tools required for service.

The 4" Ames Colt series C-300 Double Check Detector Assemblies began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. The Colt Series has become a top seller of Ames due to the light weight design and short lay lengths. It is also offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Colt uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Colt series devices, including rubber parts and complete parts. The C-300 was designed for fire service line as it features a metered bypass assembly. The bypass backflow device will be 3/4" but Ames used different models over the years. The first 2 years used Flomatic DCVE. After that they may feature an Ames 2000B-M3 or Watts 007M3. Be sure to identify your bypass device before ordering parts. There are no special tools required for service.

The 4" Ames Maxim series M-200 Double Check Valve Assembly began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. Similar to the Colt Series, the Maxim features larger internal parts to increase flow rates. It is offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Maxim uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Maxim series devices, including rubber parts and complete parts.There are no special tools required for service.

The 4" Ames Maxim series M-300 Double Check Detector Assembly (DCDA) began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. Similar to the Colt Series, the Maxim features larger internal parts to increase flow rates. It is offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Maxim uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Maxim series devices, including rubber parts and complete parts.There are no special tools required for service.

The 4" Ames 2000SS Silver Bullet Series Double Check Valve Assemblies began production in 1998 and are still being produced. They are all stainless steel body devices. Please be sure which model you have as the "SS" and "SE" models use different repair parts. They utilize a single victaulic cover with two self contained plastic cam checks that thread into the body. There are no rubber repair kits available for the 2 1/2 - 6" sizes, only complete cam checks. Although specialty tools are not required for servicing the device, there is a handy cam check tool available, designed to save time and prevent damage to the cam checks.

The 4" Ames 3000SS Silver Bullet Series Double Check Detector Assemblies began production in 1998 and are still being produced. They are all stainless steel body devices. Please be sure which model you have as the "SS" and "SE" models use different repair parts. They utilize a single victaulic cover with two self contained plastic cam checks that thread into the body. There are no rubber repair kits available for the 2 1/2 - 6" sizes, only complete cam checks. The 3000SS features a bypass assembly to meter water usage. Although specialty tools are not required for servicing the device, there is a handy cam check tool available, designed to save time and prevent damage to the cam checks.

The 4" Ames 2001SS Double Check Assembly was produced from 1998-2003. The body was made of stainless steel. Single cover with modular check assemblies. Check modules thread into body. No special tools are required for servicing.

The 4" Ames 2001SS Double Check Detector Assembly was produced from 1998-2003. The body was made of stainless steel. Single cover with modular check assemblies. Check modules thread into body. No special tools are required for servicing.

The 4" Ames 2000CIV began in 1997 when the Ames Company was purchased by the Watts Regulator Company. The 2000CIV was actually a retagged Watts 709. The body was constructed of epoxy coated cast iron. Check assemblies were made of bronze and stainless steel. Check seats are replaceable and of bronze construction. No special tools are required to service.

The 4" Ames 3000CIV began in 1998 when the Ames Company was purchased by the Watts Regulator Company. The 3000CIV was actually a retagged Watts 709DCDA. The body was constructed of epoxy coated cast iron. Check assemblies were made of bronze and stainless steel. Check seats are replaceable and of bronze construction. No special tools are required to service.

The 4" Ames 2000DC was produced from the early 1970?s until 1986. The body was available in galvanized or fused epoxy coating. The DC can be identified by the two separate check assemblies bolted together. The very similar DCA is a fused body between check assemblies. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the 4? and 6? check assemblies. 8? and 10? devices require a tong tool for removal of check assemblies. Bronze check seats were replaceable and a seat removal tool is required to service.

The 4" Ames 2000DCA began production in 1986. In 1995, the 4? and 6? were discontinued. 8? was produced until 1998. The body was available in galvanized or fused epoxy coating. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the 4?, 6?, and 8? check assemblies. 10? devices require a tong tool for removal of check assemblies. Bronze check seats were replaceable and a seat removal tool is required to service.

The 4" Ames 3000DCDC was produced from the early 1970?s until 1986. The body was available in galvanized or fused epoxy coating. The DC can be identified by the two separate check assemblies bolted together. The very similar DCA is a fused body between check assemblies. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the 4? and 6? check assemblies. 8? and 10? devices require a tong tool for removal of check assemblies. Bronze check seats were replaceable and a seat removal tool is required to service.

The 4" Ames Colt series C-400 Reduced Pressure Zone (RPZ) began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. The Colt Series has become a top seller of Ames due to the light weight design and short lay lengths. It is also offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Colt uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Colt series devices, including rubber parts and complete parts. The relief valve can be unthreaded from the body for ease of service. The Colt uses an external relief valve sensing line. There are no special tools required for service.

The 4" Ames Colt series C-500 Reduced Pressure Detector Assembly (RPDA) began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. The Colt Series has become a top seller of Ames due to the light weight design and short lay lengths. It is also offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Colt uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Colt series devices, including rubber parts and complete parts. The relief valve can be unthreaded from the body for ease of service. The Colt uses an external relief valve sensing line. Numerous bypass devices were used over the years including Flomatic RPZE and Watts 919. There are no special tools required for service.

The 4" Ames Maxim series M-400 Reduced Pressure Zone (RPZ) began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. Similar to the Maxim Series, the Maxim features larger internal parts to increase flow rates. It is offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Maxim uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Maxim series devices, including rubber parts and complete parts. The relief valve can be unthreaded from the body for ease of service. The Maxim uses an external relief valve sensing line. There are no special tools required for service.

The 4" Ames Maxim series M-400 Reduced Pressure Detector Assembly (RPDA) began production in 2000 under the Hunter name. In 2002, Ames bought the rights off of Hunter and is still manufacturing the devices. The body is constructed of stainless steel. Similar to the Colt Series, the Maxim features larger internal parts to increase flow rates. It is offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. You must unthread the #3 test cock then slide the cover. The Maxim uses two self contained cam checks that use a tri-link check mechanism. Numerous repair parts are available for the Colt series devices, including rubber parts and complete parts. The relief valve can be unthreaded from the body for ease of service. The Maxim uses an external relief valve sensing line. Bypass assembly will be either a 3/4" Flomatic RPZE or 3/4" Watts 919. There are no special tools required for service.

The 4" Ames 4000SS Series Reduced Pressure Zone (RPZ) backflow preventer began production in 1990 and is still currently in production. The body is contructed of stainless steel and uses a single victaulic coupler cover. The 4000SS utilizes plastic cam checks and a self contained stainless steel relief valve. The relief valve may be removed from the body by unthreading it, but use caution when doing so, as to not "squeeze" or warp the RV body. The cam checks thread into the body. Although not necessary, a cam check removal tool is available to remove the check assemblies for the 2 1/2 - 6" sizes.

The 4" Ames 5000SS Series Reduced Pressure Detector Assembly (RPDA) backflow preventer began production in 1991 and is still currently in production. The body is contructed of stainless steel and uses a single victaulic coupler cover. The 5000SS utilizes plastic cam checks and a self contained stainless steel relief valve. The relief valve may be removed from the body by unthreading it, but use caution when doing so, as to not "squeeze" or warp the RV body. The cam checks thread into the body. Although not necessary, a cam check removal tool is available to remove the check assemblies for the 2 1/2 - 6" sizes. Bypass valves changed multiple times over the years and include 3/4" Conbraco 40-200, 3/4" Ames 4000SS, 3/4" Ames 4000B, and 3/4" Ames 4000B-M3.

The 4" Ames 4001SS Reduced Pressure Zone (RPZ) was produced from 1998-2003. The body was made of stainless steel and features a one cover design. Modular check assemblies thread into body. The relief valve sets directly below the cover and uses an external sensing line. No special tools are required for servicing.

The 4" Ames 5001SS Reduced Pressure Detector Assembly (RPDA) was produced from 1999-2003. The body was made of stainless steel and features a one cover design. Modular check assemblies thread into body. The relief valve sets directly below the cover and uses an external sensing line. No special tools are required for servicing.

The 4" Ames 4000CIV began in 1998 when the Ames Company was purchased by the Watts Regulator Company. The 4000CIV was actually a retagged Watts 909. The body was constructed of epoxy coated cast iron. Check assemblies were made of bronze and stainless steel. Check seats are replaceable and of bronze construction. The relief valve seat is replaceable and made of stainless steel. The relief valve uses an external sensing line. No special tools are required to service.

The 4" Ames 5000CIV began in 1998 when the Ames Company was purchased by the Watts Regulator Company. The 5000CIV was actually a retagged Watts 909RPDA. The body was constructed of epoxy coated cast iron. Check assemblies were made of bronze and stainless steel. Check seats are replaceable and of bronze construction. The relief valve seat is replaceable and made of stainless steel. The relief valve uses an external sensing line. No special tools are required to service.

The 4" Ames 4000RP began production in 1986. In 1995, the 4? and 6? were discontinued. 8? was produced until 1998. The body was available in galvanized or fused epoxy coating. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the second check assemblies. First check assemblies require a tong tool for removal. Bronze check seats were replaceable and a seat removal tool is required to service. The relief valve cover has spring tension against it, use caution when servicing. An external sensing line pressurizes the relief valve.

The 4" Ames 5000RPDA began production in 1989 and was discontinued in 1995. The body was available in galvanized or fused epoxy coating. Check assemblies were a knuckle joint style made of stainless steel. A check retainer clip is required to remove the second check assemblies. First check assemblies require a tong tool for removal. Bronze check seats were replaceable and a seat removal tool is required to service. The relief valve cover has spring tension against it, use caution when servicing. An external sensing line pressurizes the relief valve.