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Fit a non return valve to the hot supply (nrv) . If the cold supply is direct (it shouldn,t be) fit a double check (double nrv) to the cold also.

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Q: What can you do if the shower mixer valves are letting the cold water push the hot water back into the expansion pipe in the cold storage tank?
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What is the headwall of the shower?

The wall where the plumbing enters into the shower. Also known as a wet wall because it has water pipes in it. It is recommended that the head wall have access on the wall opposite the bathroom to be able for plumbers to remove or replace control valves, drains etc.


How often should you replace the shower valve?

Though not a plumber, I can say that shower valves are usually made of brass(a very good material). Therefore they are also expensive to replace (50 dollars for the valve, 150 dollars per shower valve if done by a competent plumber). Therefore, when you notice a leak coming from your shower, try to replace the seat washer (usually the hot water side needs to be replaced first). If you still have a leak, it's time to replace the shower valve.


High low side pressure and low hide side pressure?

Bad compressor valves most likely... If the expansion valve or orifice tube is stuck open it will cause this condition also.


Where are shut off valves?

The absolute master is your main shutoff at the water supply. My home has no shower valve, my grandparent's house does as does my parents house. Neither of those valves are in the same place. Who knows what happened between the time your place was built and now? You'll need to trace the path of the pipes to know for sure.


Is it necessary to put teflon on the threads of shower valves?

Since water can leak through the smallest cracks and holes, applying a clockwise layer or two of teflon tape to the threads of a plumbing connection can help prevent water leakage.

Related questions

What is the purpose of shower valves?

All showers need valves. They can be for the water supply, balancing the water and control of the shower. Without the valves, your shower will leak, causing damage to the surrounding areas.


Are shower valves universal?

No


Who makes biava shower valves?

EASTROOK


How many types of expansion valves are there?

seven


What parts do you need for shower control valves?

This depends on what exactly you want to control and where.


What is the cost of a Thermostatic Shower Valve?

Thermostatic shower valves are one of the most expensive parts of a shower. The current retail price for a standard one averages between $200 and $250.


Modern bathroom fixtures names?

bathroom fixtures names are bathtubs, toilets, vanity tops, sinks, faucets, lavatories, lavs, faucets, shower valves, shower heads, shower doors.


What are dispensing valves?

Dispensing valves are in-line valves for on-off service in dispensing liquids from storage containers. Flow will occur when the middle of the valve is pinched and will continue as long as finger pressure is maintained.


Why does shower temp fluctuate from a well water source?

The source of water into a home has no bearing on the shower temperature. - This is caused or changed by the water heater and any piping and valves between heater and the shower. The fact of the well being source of the water is totally irrelevant in this case.The source of water into a home has no bearing on the shower temperature. - This is caused or changed by the water heater and any piping and valves between heater and the shower. The fact of the well being source of the water is totally irrelevant in this case.


Can you install 2 shower heads in the same shower?

Buy to shower valves and install them so they are on opposite side walls or if you have a existing shower with one valve then the easiest way is to take out your old shower head and replace it by buying a chrome wye fitting that with two chrome nipples you can install to shower heads another way is by buying 3 chrome nipples and one chrome T and two chrome male by female IPS 90 and thread them into the the T and then you have room for two shower heads and they can be put side by side. The best way is to have two shower valves & shower heads, depending on your water supply and how you run your water pipes to the valves, most likely you will increase your water flow if not almost double and make sure you have at least a 2" drain & trap.


What is the standard height of shower valve for most Asian countries?

The same height as the normal western shower valves, this is why they are yellow, they can't show because they can't reach the valve.


How many expansion valves in a 1998 caravan?

One if front air only, two if it has rear air.