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ASSE: American Society of Sanitary Engineering

ASSE, the American Society of Sanitary Engineering, is a nonprofit organization that develops and publishes standards aimed at preventing unsanitary design in plumbing systems. Headquartered in Westlake, United States, ASSE standards contribute heavily to the IAPMO Uniform Plumbing Code, the overarching standard for plumbing in the United States. With 70 member companies and many more individual members, ASSE work promotes the prevention rather than cure philosophy. Standards from ASSE are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: or 1-212-642-4980 or Request Proposal Price.

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ANSI/ASSE 1017-2009

Performance Requirements for Temperature Actuated Mixing Valves for Hot Water Distribution Systems

These devices are used for controlling in-line water temperatures in domestic potable hot water systems and shall be installed at the hot water source. They are not intended for end use application. They shall consist of a hot water and a cold water inlet connection and a mixed water outlet connection plus a temperature sensing and controlling element and a means for adjusting the outlet water temperature.

ASSE 1070-2015/ASME A112.1070-2015/CSA B125.70-15

Performance Requirements for Water Temperature Limiting Devices

This standard covers water temperature limiting devices intended to limit the hot or tempered water temperature supplied to fittings for fixtures such as sinks, bidets, lavatories, and bathtubs to reduce the risk of scalding. These devices are not designed to address thermal shock.

ANSI/ASSE 1051-2009

Performance Requirements for Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems

Individual and Branch Type AAVs for Sanitary Drainage Systems are devices used in plumbing drainage systems to prevent the siphonage of water trap seals. These devices do not relieve back pressure; they only allow air to enter the system. These devices are designed to be used for individual fixtures or for a horizontal branch serving multiple fixtures. When these devices are installed in a building, there shall be at least 1 open vent terminal to relieve positive pressure which extends to the atmosphere outside of the building serving the building drain on which these devices are installed.

ASSE 1014-2005

Performance Requirements for Backflow Prevention Devices for Hand-Held Showers

This standard provides performance requirements for backflow prevention devices for hand-held showers in the interest of health and safety. These devices provide backflow protection against backsiphonage and backpressure in hand-held showers. These are separate devices or are integral with wall-mounted or deck-mounted tub fillers, flexible hoses, or components that are attached to shower arms.

ASSE 1016-2017/ASME A112.1016-2017/CSA B125.16-17

Performance requirements for automatic compensating valves for individual showers and tub/shower combinations

This is the second edition of the tr-harmonized ASSE 1016/ASME A112.1016/CSA B125.16, Performance Requirements for Automatic Compensating Valves for Individual Showers and Tub/Shower Combinations. It supersedes the previous edition published in 2011.This standard applies to automatic compensating valves intended to be installed at the point of use, where the user has access to flow or final temperature controls, and where no further mixing occurs downstream of the device.This standard covers automatic compensating valves intended to control the water temperature to wall or ceiling mounted: a) hand-held showers; b) shower heads; c) body sprays either in individual shower or tub/shower combination fittings; and d) tub spouts when part of tub/shower combination fittings. 

ASSE 1060-2017

Performance Requirements for Outdoor Enclosures for Fluid Conveying Components

ASSE 1060 provides performance standards and compliance testing procedures for devices that provide a range of protection for fluid conveying components that are mounted outside and above ground so that they may avoid damage from freezing, vandalism, and tampering. Fluid conveying components protected by these enclosures include backflow prevention assemblies and devices, water meters, control valves, pressure reducing valves, air release valves, pumps, and other components installed outdoors and above ground that require protection from freezing, or require system security protection. 

ANSI/ASSE 1010-2004

Performance Requirements for Water Hammer Arresters

This standard applies to devices classified as water hammer arresters having a permanently sealed cushion of water or gas isolated from the water way and designed to provide continuous protection, without maintenance, against detrimental surge pressures within the water distribution system. Water hammer arresters are installed on water distribution system piping to prevent over pressures within water distribution systems, thereby prolonging the service life of valves, piping, fittings, trim, equipment, appliances, appurtenances and other devices which are part of the distribution system and to eliminate noise.

ASSE Standard 1024-2017

Performance Requirements for Dual Check Backflow Preventers

This standard applies to devices classified as dual check backflow preventers. The purpose of this device is to keep polluted water from flowing back into the potable water system when pressure is temporarily higher in the polluted part of the system than in the potable water piping. The devices covered by this standard are intended to protect the potable water supply from low hazard pollution at residential service lines and individual outlets. Dual check backflow preventers consists of two (2) independently acting check valves, internally force loaded to a normally closed position, designed and constructed to operate under intermittent or continuous pressure conditions with cold water service. Usage with hot water is limited to the temperature specified by the manufacturer.

ASSE 1069-2005

Performance Requirements for Automatic Temperature Control Mixing Valves

Automatic Temperature Control Mixing Valves supply tempered water to the end user and automatically compensate for pressure and/or temperature variations in water distribution systems. They have the capability to significantly reduce the outlet flow in the event of a cold water distribution system failure. They are equipped with an adjustable means to limit the setting towards the hot position. Designed to be final temperature control.

ASSE Standard 1061-2015

Performance Requirements for Push-Fit Fittings

The purpose of this standard is to establish minimum performance requirements for push-fit fittings and push-fit connections that are integrated into plumbing devices.This standard applies to push-fit fittings that can be used with one or more of the following materials:1) PEX tubing complying with ASTM F876 or CSA B137.5. 2) Copper tubing, hard drawn Type K, L and M and annealed Type M not to exceed 3/8 nominal, complying with ASTM B 88. 3) CPVC tubing complying with ASTM D2846 or CSA B137.6. 4) PE-RT tubing complying with ASTM F2769 or CSA B137.18.


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