When used in showers and hand washing sinks, the thermostatic mixing valves are very convenient. Simply turn on the water, and when hot water reaches the device, it will automatically mix to the desired set temperature. There will no longer be any guess-work when taking a shower. Set it to the number that you know you prefer and it's ready to go as soon as hot water reaches the system.

Pressure regulator

At the top of a water regulator valve sits an exposed screw. This screw allows a plumber to alter the tension exerted on the spring inside of the valve body. Tightening the screw makes it more difficult for water pressure to move the diaphragm, thus raising the maximum pressure. Loosening the screw has the opposite effect.

A water pressure regulator valve works in much the same way as an outdoor hose faucet. A screw at the top allows you to increase or decrease the flow of water through the valve. Tightening the screw restricts water flow and hence places a tighter limit on the maximum water pressure.

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Pressureregulating valve

The thermostatic mixing valve prevents scalding by mixing the right amount of hot and cold water before reaching the outlet. So installing the mixing valve to ...

Theoretically, a plumber can dismantle a regulator valve and replace any defective components. Yet this strategy often ends up taking longer — and costing more — than simply replacing the valve entirely. Replacing your valve also ensures that problems stay at bay for as long as possible.

Water pressure

Pressure regulator valves come in two main styles: direct acting and pilot operated. The majority of residential water systems use direct-acting valves. These valves contain a heat-resistant diaphragm attached to a spring. When water pushes on the diaphragm with enough force, the pressure causes the valve to close more tightly.

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Excessive water pressure — anything above 80 psi — can cause serious problems for a residential plumbing system. Ultimately, such pressure can damage water-using appliances and may even lead to leaks and the problem known as water hammer. Fortunately, you can keep your water pressure within a safe range by installing a pressure regulator valve on your main water line.

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Watervalve

The safety lock on most of these devices prevents children from turning it beyond 38°C (100°F). The valve will also turn off the water flow if there is no cold water available for mixing when needed as an additional safety precaution.

In other words, the older a pressure regulator valve gets, the more prone it becomes to failure. Generally speaking, most regulator valves have a life span of between 7 and 12 years. If you have recently noticed any abrupt changes in the water pressure in your home, an internal component in your pressure regulator may have failed.

Unfortunately, over time, a regulator valve may develop blockages that restrict flow beyond the intended amount. Such blockages often stem from high mineral content in your municipal water supply. These mineral deposits accumulate inside of the valve body, leading to lower-than-intended home water pressure.

When faced with insufficient pressure, don't immediately jump to the conclusion that your regulator valve has failed. You may simply need to have your valve adjusted. Virtually all pressure regulator valves have a pre-set pressure limit of 50 psi. Most homeowners consider this too little pressure.

PressureReducing Valve

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In most cases, a plumber can resolve this issue by disassembling and cleaning out your regulator valve. Soaking the valve in a calcium and lime remover loosens up and dissolves unwanted mineral deposits. After rinsing the components clean, the plumber reassembles the valve, which should now function without undue restrictions.

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RVWater Pressure Regulator

As its name implies, a pressure regulator valve caps water pressure at a safe limit set by your plumber. While effective, this plumbing component may develop problems as time goes on. If your home contains a regulator valve, keep reading. This article takes a closer look at three common problems faced by water pressure regulator valves.

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These valves are ideal for use with solar water heater systems or where water heating may achieve very high temperatures. The valves permit use of hot water in a water system by preventing scalding at the tap or shower while still maintaining hot temperatures to appliances such as dish washers or laundry machines. In the case of extreme water temperatures, an in-line thermostatic mixing valve can also be used on the output of the water tank which feeds to the entire hot water system in the building. This is highly recommended in the case of solar water heaters since the summer often produces near boiling temperatures.

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Thermostatic mixing valves are used as an anti-scald device with a built-in temperature sensing mechanism which automatically mixes the cold and hot water togteher to output the desired water temperature. The water temperature will remain constant, which means that there's no need to adjust hot/cold levers to achieve the desired temperature. The device will automatically adjust for sudden spikes in the hot/cold temperature streams.

Alternately, low water pressure causes the diaphragm to remain relaxed, thus keeping the valve open more widely. Over time, the moving parts of this mechanism experience a significant amount of force. Eventually those components may succumb to degradation, making them less responsive than they should be.

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Fortunately, a professional plumber can measure your exact pressure setting and make adjustments to the regulator valve to optimize pressure. For more information about how to get the best results from your pressure regulator valve, please contact Seattle's plumbing pros at Aurora Plumbing.