Water Pressure

Water Pressure

Hot vs. Cold Water Pressure Washers

Pressure washers are used in many homes and a large variety of businesses for many reasons. If you have decided that you need a pressure washer, for whatever reason, you have made your first decision. Your next decision will be what type of washer is best for you. There are many different kinds of pressure washers, they can have different power sources (electric, gasoline, diesel or natural gas); different powers, often designated as residential or professional, ranging anywhere from 1000 to 6000+ psi; different sizes, from portable to on wheels that you pull, to large ones that are mounted on a trailer or in the back of a truck, or you can even get pressure washers that are mounted on a wall; finally, you can get one based on the type of water that they use, hot or cold.

Though there is a lot that can be said about any of these different types of machines, today let's just take a look at cold and hot pressure washers, their pros and cons, to help you decide which type will work best. From there you can go on to look at different power sources and sizes when you take the next step in your decision process.

First let's look at cold water pressure washers. Cold washers can either have a tank to carry water or can be hooked up to a regular hose. This means that they can be smaller than hot water washers, and also that they start at a lower price point. These are great for around the home use, things like cleaning vehicles, siding, decks etc. They easily remove dirt and grime, much better than using a standard hose with just a nozzle.

As you can guess, hot water pressure washers are heavier and larger than cold water ones. This is because the machine has to have a tank and a burner to heat the water before it is used. Many hot water machines come on a cart, but there are also large, industrial sized ones as well. The primary reason you would want a hot water pressure washer is because it cleans better, especially any type of grease. You don't wash greasy pans in cold water. No matter how much soap you use, the grease stays. Hot water helps to break down the grease and wash it away. So if you are going to have to clean any grease or oil based products, then you need a hot water unit. Another nice thing about hot water units is that you usually have the option of running cold water instead, which can save on the extra gas needed to heat the water.

Basically, the pros of cold pressure washers are that they can be portable and lighter since they do not have to have water tanks, and they are great for removing every day grime and dirt. And in general they are less expensive. The primary con of the cold, is that they do not clean oil based stains or spills. Therefore, the obvious pro of hot pressure washers is that they have a wider range of cleaning capabilities. The cons are that they are often larger, heavier and more expensive.

So it really comes down to what you need to clean, if you are cleaning a garage floor where you do mechanical work, then you need a hot unit. If you are doing basic grime removal around the house, a cold unit will work. If you are a business, do the same type of evaluation. Once you know whether hot or cold water pressure washers will work best for you, then you can delve into your other options.

About the Author

MJ is a freelance writer for Clickshops, Inc. where you can find a great selection of pressure washers for your home or business at www.powerfulpressurewashers.com.

Codex Leicester: Water Pressure Theories $34.99 Leonardo da Vinci Codex Leicester: Water Pressure Theories - Giclee Print

Rainbird P2A Water Pressure Gauge $26.6 Pressure gauge for reading static water pressure at outside hose faucet. 0160 PSI. Carded. Length: 1.3. Width: 5.6. Height: 3.5

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Elite Series Water Pressure Gauge $238.99 Elite Series; Water Pressure Gauge; 2-1/16 in.; 0-100 PSI; Incl. 1/8 in. NPT Sender; 8 ft. Wiring Harness; Full Sweep;

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Simer 704000 .75 Hp Water Pressure Booster $539.72 Total home water pressure booster system. Fully automatic system increases and maintains household pressure. Factory assembled and ready to install with 6 115 volt power cord. 3/4 hp motor with stainless steel pump housing. Boosts water pressure up to an additional 40 psi. 26 GPM maximum. Controller with adjustable pressure dial. 1 inlet and outlet. 3 year warranty.

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Pressure Sensor $81.25 High Quality Content by WIKIPEDIA articles A pressure sensor measures pressure, typically of gases or liquids. Pressure is an expression of the force required to stop a fluid from expanding, and is usually stated in terms of force per unit area. A pressure sensor usually acts as a transducer; it generates a signal as a function of the pressure imposed. For the purposes of this article, such a signal is electrical. Pressure sensors are used for control and monitoring in thousands of everyday applications. Pressure sensors can also be used to indirectly measure other variables such as fluid/gas flow, speed, water level, and altitude. Pressure sensors can alternatively be called pressure transducers, pressure transmitters, pressure senders, pressure indicators and piezometers, manometers, among other names. Pressure sensors can vary drastically in technology, design, performance, application suitability and cost. A conservative estimate would be that there may be over 50 technologies and at least 300 companies making pressure sensors worldwide. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 126 Publication Date: 2010/08/02 Language: English Dimensions: 6.00 x 9.02 x 0.30 inches

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Pressure $11.49 Pressure

Pressure Coefficient $84.44 High Quality Content by WIKIPEDIA articles The pressure coefficient is a dimensionless number which describes the relative pressures throughout a flow field in fluid dynamics. The pressure coefficient is used in aerodynamics and hydrodynamics. Every point in a fluid flow field has its own unique pressure coefficient, Cp. In many situations in aerodynamics and hydrodynamics, the pressure coefficient at a point near a body is independent of body size. Consequently an engineering model can be tested in a wind tunnel or water tunnel, pressure coefficients can be determined at critical locations around the model, and these pressure coefficients can be used with confidence to predict the fluid pressure at those critical locations around a fullsize aircraft or boat. The pressure coefficient is a very useful parameter for studying the flow of incompressible fluids such as water, and also the lowspeed flow of compressible fluids such as air. Author: Surhone, Lambert M./ Tennoe, Mariam T./ Henssonow, Susan F. Binding Type: Paperback Number of Pages: 108 Publication Date: 2010/09/30 Language: English Dimensions: 5.98 x 9.01 x 0.25 inches

Wilkins 483121 .75 in. Water Pressure Reducing Valve $142.58 Reduces high inlet pressure to a lower outlet pressure. Spring range 25 to 75 psi factory set at 50 psi. Pressure rated 300 psi max. temp. 180deg;. Bronze body. Built in bypass. Stainless steel strainer. Nylon reinforced BunaN diaphragm. Balanced piston design may be installed in any position. All internal parts corrosion resistant. Serviceable inline. MIP inlet x threaded union outlet. Listed ASSE1003 city of Los Angeles. Size: 3/4 .

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Electric Bottled Water Pressure Pump $13.59 Highlights Made of high quality and safe materialSimple and user-friendly Design. Perfect for home use. SpecificationsWeight Approx: 385gSize Approx: 7 x 7 x 73 cm

N250-3/4 - 3/4 Water Pressure Regulator $48.34 [6195630] UPC: 098268016505 14.3L x 12.6W x 6.75H 2.56 LB 0.7 Cubes