Pipe end-to-end, the Backwater Valve takes up 12" of run in your line and the outlet is 3/4" LOWER than the inlet, so in just 12" the level of the pipe at the outlet side needs to be 3/4" lower.

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With snow, the clean photovoltaic system increases the energy yield thanks to the greater solar radiation procured by the surrounding snowpack.

Securing industrial plants in compliance with European law about buildings structural safety, without costly structural interventions with high cost savings.

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Backflowvalvefor water line

Note: This type of check valve should not be confused with and does not replace the sewer trap that prevents sewer gas from entering a building where it is installed.

The "lateral" is the underground pipe that carries sewage from private property to the city’s sewer main.  The backflow valve is installed downstream and prevents sewage from backing up into the lateral beyond ("above in elevation") this valve.

Back flow ValvePVC

The energy consumption used for melting the snow on the solar panels is quickly recovered thanks to the increase in energy yield.

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When installing in a lateral, in some deeper installations the backwater valve can be placed in an access box to make maintenance easy.

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Backwatervalve

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These valves are designed for indoor or outdoor use, but they are most economical when an in-the-ground installation is required because you don't need to pay for a costly vault to provide access.  (The mainline fullport backflow valve above is better for indoor use because you can visually see a problem with the clear top, but there are some indoor applications where an adapta-valve makes sense too.)

Without any type of specific tool, even the less experienced will be able to easily apply the exclusive Thermal Technology heating films to solar panels in just a few minutes.

Backwater Valve Diagram Backwater Valve Features Back water valves information Backflow Links Backflow Preventers Backwater Valve Animation Backwater Valve Videos

Mainline "Adapt-A-Valves" (shown at left "extended" with DWV from your local home center or supply house) in 3" and 4" PVC and ABS. These valves are designed for indoor or outdoor use, but they are most economical when an in-the-ground installation is required because you don't need to pay for a costly vault to provide access.  (The mainline fullport backflow valve above is better for indoor use because you can visually see a problem with the clear top, but there are some indoor applications where an adapta-valve makes sense too.)      The gate is designed a a removable cassette and is removed though a standard cap with a simple cut-to-length handle made from common 3/4" PVC pipe and a 3/4" PVC tee!

Backflow prevention valves (and all safety check valves for that matter) should be inspected on a quarterly basis and anytime you think they have closed.  With our award-winning design, patented backflow valve, you can simply look through the clear plastic lid for easy visual inspection and remove the screw-off cap to clean out any debris!

How does it work?  A backwater valve can be installed in the basement at the exit point from the home or building, or in the sewer lateral outside of the building.

Who's at risk?  Your home or building may be susceptible to sewage backups if the lowest drain is less than 24" above the nearest upstream manhole.  Most building codes require owners to install a backflow prevention valve to minimize the chance of flooding at properties with drains that meet the specification mentioned above.

The heating film for solar panels is made to measure in double layer adhesive aluminum for any model of solar panel, with modular power supply system with IP68 connectors and with a power of about 175 W/m². In a few minutes it brings the surface of the panel to around 10°C, eliminating the snow.

Steam and fluid control solutions for HVAC, commercial and institutional applications. Spence offering the maximum in self contained pressure reduction, ...

This lead-free water pressure reducing valves is used in commercial and residential applications to reduce incoming water pressure for protection of ...

A backflow preventer protects your family or customers from the dangers of water backflow. Backflow is the reversed motion of used water.

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Isolation Valves. Isolation valves are essential whether you need to divert flow or shut down your system for safe maintenance of your equipment. Ball Valves.

backwater-valves.com is independently owned and resells products produced and manufactured by Mainline of Canada and assumes no liability for the installation of backwater valves and related products.

Installing solar panels, both for domestic and industrial use, is an important step towards a more sustainable and electric future, which aims at saving resources. In winter, accumulated snow on solar panels can limit their use and efficiency.

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Raw sewage in your basement.  Can you imagine it spewing out of your toilets, shower stalls and sinks?  With record high precipitation in many parts of the nation, some families have experienced such unfortunate events.  These backups not only cause damage that is difficult to repair, but also create dangerous health hazards.  A floor drain backwater valve or mainline ABS or PVC plastic backwater valve can save the day.  These check valves are also sometimes referred to as "backflow prevention valves" or "backflow preventer valves".

The gate is designed a a removable cassette and is removed though a standard cap with a simple cut-to-length handle made from common 3/4" PVC pipe and a 3/4" PVC tee!

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For industrial photovoltaic systems on the roof of sheds, the use of the Thermal Technology snow melting system can also be a solution for adapting the flow rate on the roof to the NTC2018 standard. If solar panels are used, adapting a structure to the values of the legislation with classic solutions would otherwise involve complex and expensive works, with an additional structural load.

Depending upon the amount of slope in your line (2% minimum is required for proper operation), you may need to replace several feet of pipe downstream from the valve to average out this "loss" of fall.

Back flow valvesprinkler

While cities and municipalities work relentlessly to clean and inspect sewer main lines, it is still possible for a sewer main to plug up and allow water and sewage to flow into the dwellings it serves.  But help is here!  By installing the award winning "Mainline Fullport Backwater Valve" (sometimes referred as a "Backflow Preventer") in the main line to the sewer, property owners reduce their exposure to such an incident to almost nothing.

Pipe end-to-end, the Adapt-A-Valve takes up 6" of run in your line and the outlet is 1-1/2" LOWER than the inlet, so in just 6" the level of the pipe at the outlet side needs to be 1-1/2" lower.

This regulator valve is installed inline between the LP gas tank and the burner control valves on the grill. Its function is to reduce the gas pressure coming ...

Be sure to check with the plumbing authority in the municipality in which your valve is to be installed to insure that your installation is in compliance with local code, and be sure have your valve inspected by your local plumbing inspector after installation. Inspect your valve frequently; the Backwater Valve through its clear plastic housing top, and the Adapt-A-Valve, by removing the gate cassette.

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