Testing older anti-scald valve for correct function?

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411 plumb

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Anti-Scald Tub and Shower Valves are required by code to be installed in all new installations and would be a recommended upgrade on existing installations. Did you know that 30% of all burns treated in emergency rooms are due to scalding? 130-degree F water can deliver a 3rd degree burn in only 30 seconds with hotter water doing it even quicker. 160-degree F...

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Are you aware that the hot water running in your home plumbing system can cause serious physical danger? Even adults who are aware that extremely hot water can burn the skin often fall prey to burns; what more for little children and even the elderly. Can you imagine being half asleep, walking into the shower, and being greeted by scalding water just because you failed to adjust the temperature properly? The good thing is that having scald protection for your shower and tub spouts is not as difficult as you may think.

Is it Too Hot?

It is very seldom that you would know the actual temperature of the water that would be coming out of your shower or faucet, right? And establishing if the water is too hot is really a matter of personal preference, correct? So when will we know if the hot water is already dangerously hot?

Unless you have extremely sensitive skin, the acceptable average water temperature is about 118 degrees. But are you aware that raising it...

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Anti-scald Tub & Shower Faucets Descriptions & Installation Tips

Hot water in many homes poses a real danger. As adults, we know how to adjust faucet valves to avoid getting burned. Curious little children and elderly people, however, can and do get burned on a regular basis. What's more, sometimes adults get injured by falling in a shower when the water temperature rapidly changes. In an effort to move out of the way from the hot stream of water, a person can easily slip and fall.

Fortunately, new tub and shower faucets are available which can minimize the chances of getting scalded from hot water. However, there are important differences in the faucets. Some of them are not foolproof. It is important for you to know how these faucets work, so that you can purchase one which offers the necessary protection for you and your family.

How Hot is Hot?

Very few people that I am aware of know the actual temperature of the hot water which comes out of their...

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An anti scald valve is installed in bathroom showers to regulate water’s pressure or temperature. This is beneficial as water can easily overheat. The equipment balances pressure difference between hot and cold supplies. This prevents scalding, burning or other related injuries that can occur as a result of using overheated water.

Types of Shower Anti Scald

They are available as thermostatically controlled, pressure sensitive and anti scald valves that combine both function.

Mechanisms of Thermostatically Controlled Anti Scald Valve

The equipment makes it possible to control water’s temperature as well as the volume. They are commonly used in systems or bathrooms with more shower heads. These temperature control devices can be placed close to the water heating system or in individual showers or bathrooms.

Pressure Sensitive Anti Scald Valve

Cold water has low pressure while hot water has high pressure. The device works by balancing the...

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Every year, thousands of people suffer serious thermal shock and/or scalding injuries in showers or combination tub/shower fixtures. Tens of millions of currently installed code compliant shower valves, referred to as anti-scald or safety shower valves, can potentially scald people.

The terms anti-scald and safety are misleading, because, if the valves are not adjusted properly, they are neither “anti-scald” nor “safe.” The correct terminology is compensating type shower valve, so named because the valves compensate for changes in the incoming pressure or temperature. Changes in the supply system pressure or temperature can affect the mixed water temperature. These valves must meet the industry standards required by the codes.

A lot of scald injuries occur in both non-code compliant and code compliant fixtures. An incident can happen when the water heater temperature is adjusted or if the temperature limit stop on a shower valve is not readjusted when a water heater...

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Anti-Scald Valves in the Shower

Did you know that about 25% of all emergency room visits stem from slips and falls, and that most of those take place at home? Equally important, a good many of them occur in the bathroom, especially among seniors, small children, and anyone who needs some assistance.

While there are several ways to beef up bathroom safety, our focus today is on equipping your showerhead with an anti-scald valve. That’s because when the water suddenly turns extra hot, people are inclined to quickly move away and, on a wet shower floor, that can easily result in a fall.

What causes sudden water temperature fluctuations

When a toilet is flushed – just as one example – cold water flows into the tank and, simultaneously, lowers the water pressure in cold-water pipes. If someone is taking a shower at the same time, less cold-water pressure can cause the shower water to suddenly feel much hotter than usual, even if for just a few seconds – but...

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You may not be aware that the hot water in your plumbing system has the potential to cause serious physical injuries. Even adults can fall prey to hot water burns, but the elderly and small children are particularly vulnerable. Imagine the potential for injury if you were not paying proper attention and walked into your shower to scalding water. Fortunately, there is a possibility to protect yourself against these types of injuries with an anti scald protection valve.

Do You Need Anti Scald Protection?

It is very unusual to know the precise temperature of water coming out of your faucet or shower. In many cases, knowing if the water is too hot is based on personal preferences. So, how do you know if your home needs anti scald protection?
Unless your skin is extremely sensitive, the average acceptable temperature for water is approximately 118 degrees. Raising this temperature by just 2 degrees will make it uncomfortable for many people. While washing your hands...

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ANTI-SCALD VALVE INSPECTION - CONTENTS: inspection procedures & common defect lists for anti-scald valves, mixing valves, tempering valves & temperature compensating valves used on building plumbing systems to control hot water temperature POST a QUESTION or READ FAQs about anti scald and mixing valve defects & inspection procedures REFERENCES

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

Safety & functional inspection of anti scald valves & mixing valves.

This article describes key safety inspection points that should be examined when inspecting building hot water supply anti-scald protection and tempering valve or mixing valve or temperature compensating valve installations.

We discuss temperature or scalding safety, valve adjustment, and leak concerns at mixing valves, and we include manufacturer's instructions & warnings about mixing valve installation, safety,...

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I'm trying to test a motor control lib I've wrote with googletest but I'm not been to compile the test's codes. The test are in a file named test.cpp such as the following:

#include #include "../motor.hpp" TEST(constructorTest, contructorDefault) { }

And I've put a the tests main function in an other file named main.cpp.

#include #include "../motor.hpp" int main(int argc, char* argv[]) { ::testing::InitGoogleTest(&argc,argv); RUN_ALL_TESTS(); }

To compile I've excecuted the following line:

g++ main.cpp test.cpp ../motor.cpp -o test

The result I get is:

main.cpp:8:17: warning: ignoring return value of ‘int RUN_ALL_TESTS()’, declared with attribute warn_unused_result [-Wunused-result] RUN_ALL_TESTS(); ^ /tmp/ccZ5BaBH.o: In function `main': main.cpp:(.text+0x1e): undefined reference to `testing::InitGoogleTest(int*, char**)' /tmp/ccZ5BaBH.o: In function `RUN_ALL_TESTS()': main.cpp:(.text._Z13RUN_ALL_TESTSv[_Z13RUN_ALL_TESTSv]+0x5): undefined...
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HOT WATER QUANTITY IMPROVEMENT - CONTENTS: How to Get More Hot Water Quantity or Faster Hot Water Flow, including a discussion of the value of taking steps to INSULATE HOT WATER PIPING and of LARGER DIAMETER Water Supply Piping and of EXTRA TANKS to Increase Hot Water. POST a QUESTION or READ FAQs about how to improve hot water quantity and flow rate from a residential hot water heating system. REFERENCES

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

How to get more hot water:

This article explains how to improve the total quantity of hot water available from your water heating system. Here we discuss How much hot water do we get out of a hot water heater tank? How to improve hot water water quantity from any water heater.

We explain how to increase the total hot water quantity available from your water heater and how to improve the hot water flow rate if your hot...

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