• July

    10

    2014
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Choose Your Shower

Manual Shower.
The manual type of shower mixers are very easy to operate and quite straightforward to fit. Though they need hot and cold independent supplies. A single lever will control the flow rate and the temperature of the water. The control is achieved by a manual turning of a lever valve for the correct temperature. Hackney Plumbers can fit all appliances. It does not shut off on its own if there is hot or cold water failure, it will need to be turned off manually. Manual mixers can be external, or hidden. There could, however be safety issues as if not correctly used the user can scald themselves.
With gravity systems, the minimum distance from underneath the cold water storage tank to the shower head must be 1mtr which produces 0.1 bar of pressure. Usually the minimum water pressure through a manual valve is 0.1 bar (1.45psi), the maximum water pressure is 10bar (145psi). The maximum hot water supply is 80°C. A Hackney Plumber can add pipework to a system.

Thermostatic Shower.
The thermostatic shower has a mixer valve that is a necessary part of a high end shower. It is safe, efficient and a sound option, it also guarantees the best shower satisfaction, but still protects the user from scalding.
Thermostatic Shower Mixer.A thermostatic mixer maintains an exact water temperature for the length of your shower. It protects you from any unexpected changes in the water supply to the shower, so even if somebody flushes the toilet or turns on the kitchen faucet the temperature of your shower will remain constant.
How Does a Thermostatic Mixer Work?
A thermostatic valve takes acold and hot water feed and mixes them to your pre-set temperature and changes right away to any water pressure or temperature changes by altering the hot and cold mix to suit. If the cold water supply fails the thermostatic valve will automatically close down.


Thermostatic:
Fitted inside this unit is an automatic adjusting control for the temperature which operates by altering the flow of each water feed. Hackney Plumbers can fit these appliances. If, for example, the shower water starts to get cold, the thermostatic device will automatically shut down the flow of cold water. Bear in mind, however, that they will not be able to work correctly with massive changes in pressure.
Manual:
The usual way to fit a shower is to supply independent hot/cold water supplies to a mixer. In its basic form, it is the same as a mixer tap. A step up from this is the single lever control. Movement of the lever controls the temperature. Back and forth movement of the same lever controls the pressure of flow.
The Shower (General Overview):
The difference between installing a tap and a shower is that the mixer is attached to the base of the shower.
Assemble and mount the mixer on the wall.
Select the position of the connections for hot and cold.
Independent supplies are required for the hot/cold water for a manually operated mixer shower. Showers controlled by a thermostat can be supplied by the existing plumbing, but bear in mind that the closer the branch is to the cold tank and hot cylinder the better. An independent supply is a better idea for these also.
The cold should be supplied from the storage tank, from a point below the outlet that feeds the hot water system. The hot water supply should be taken by branching off from the vent pipe above the hot water cylinder.
Run the new supplies in copper piping to the positions marked, and connect with the specified or supplied fitting. If this pipework is concealed, the final result will be more pleasing and professional in appearance. For this reason, they should not be fitted where the cold water is supplied directly from the rising main.

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