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Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar.Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation from α-quartz to β-quartz takes place abruptly at 573 °C (846 K; 1,063 °F). Since the transformation is accompanied by a significant change in volume, it can easily induce fracturing of ceramics or rocks passing through this temperature threshold.There are many different varieties of quartz, several of which are classified gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings, especially in Eurasia.
Quartz is the mineral defining the value of 7 on the Mohs scale of hardness, a qualitative scratch method for determining the hardness of a material to abrasion.

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  1. S

    Faulty Aqualisa Quartz Digital Diverter

    Hi, I thought I'd share my experience of dealing with Aqualisa about their Quartz Digital Diverter. When selecting the slider rail handset the water would also constantly drip \ stream water from the overhead rain head. When selecting the rain head the pressure was very reduced and the water...
  2. E

    Aqualisa Quartz 9.5 - Intermittent constant running water.

    Hello all, So been having somewhat of a time with my Aqualisa Quartz 9.5 electric shower. A few.month ago I put up with a few problems it was having and in the end I replaced everything, new engine and new front cover . This was working great for a month or so, but now noticed an intermittent...
  3. E

    Aqualisa Quartz 9.5kw Electric Shower - Only getting cold water?

    Hello All, New to the forum so apologies if do any faux pas. But I have an Aqalisa Electric Quartz Shower 9.5kw (8 years old) and currently it is only giving out cold water regardless of where the temperature control is placed, the only difference is the more you move to the dial to the cold...
  4. D

    Aqualisa Quartz not hot enough

    Hello all , So, very recently had an unvented cylinder put in inplace of the old gravity emersion tank we had, which fed our pumped quartz shower . We had a new digital processor installed to suit the unvented system but kept the riser rail, showerhead and control unit which we connected to the...
  5. A

    Aqualisa quartz with diverter

    I have just installed a brand new Aqualisa and diverter. Have a great flow to the hot and cold inlets, which I flushed thought, connected to the supplied iso valves(2) the processor unit, iso valve (1), 90° bend, iso valve(1), diverter, iso valve(2) and then the outlet feeds. All iso valve are...
  6. M

    Aqualisa Quartz shower - reduce pressure and mild splutters

    We have an Aqualisa Quartz shower that was installed three years ago. Recently, the pressure seems to be lower than it used to be, and you can almost feel it starting to splutter. We descaled the shower head and have also followed advice on the Aqualisa FAQs to run the shower cold and gradually...
  7. T

    Aqualisa Quartz non pumped controller amps.

    I am getting a vehicle charger installed and want to check my cut out fuse is suitable at 60 amps. I have the above shower processor on an unvented cylinder and wondered how much power the shower will use when in use. Does anyone know? I assume it’s not like using a power shower so should be a...
    • Tigermad
    • Thread
    • america aqualisa controller pumped quartz usa
    • Replies: 4
    • Forum: USA
  8. A

    Replace Aqualisa Quartz

    Hi can anyone recommend what would be the best replacement shower for this please.
  9. Harvest Fields

    Aqualisa Quartz nightmare

    Has anyone else had an argument with Aqualisa about them not selling approved engineers service kits for some of there showers?
  10. J

    Aqualisa Quartz Gravity Pumped QZD.A2.EV.14 Shower

    I have a customer who wants an unvented HWS, they have a Aqualisa Quartz Gravity Pumped QZD.A2.EV.14 Shower which has a max pressure of 1 bar. My question is if I fitted PRV's set at 1 bar, on both H & C services to the shower pump once the UVHWS system is installed, would this be sufficient...
  11. A

    Aqualisa quartz on gravity system. Some advice please

    Hi providing a a quote for a new aqualisa digital shower I have a few questions and hoping someone can help. current shower is an old aqualisa with a single impeller pump. Cold from tank, hot from cylinder. I know the cold needs to be a new addition on the cwst. do I need a pump? I think...
  12. wildcard

    Aqualise quartz digital shower

    I"m fiitting a combi for a cust who has the above shower fitted on a tank fed system.Can anything be done so i can keep the existing shower,I know these things run on a processor.Thanks
  13. T

    Do you fit or subcontract granite, marble or quartz worktops?

    Are you in 50 mile radius of Halesowen and if any of you are kitchen fitters or similar who have clients want stone worktops could you PM me with contact details. I have a an excellent contact for you who is very competitively priced.
  14. G

    Aqualisa. Quartz digital

    As above standard hp unit. Exposed rail brand new box a little tatty shower head missing. Was purchased as a replacement but wasn't needed I end up lumbered with an expensive shower. bargain at £350
  15. V

    15 minute max time for Acqualisa Digital Quartz shower?

    Hi, I am considering the purchase of an Acqualisa Quartz Digital power shower but have noticed that the processor specification label says "max on 15 minutes off 45 minutes" Surely if 2 consecutive showers are taken, which could easily total15 minutes, does the next shower user have to wait 45...
  16. V

    How to connect two aqualisa quartz digital pumped showers

    Hi I currently have an aqualisa quartz digital pumped shower installed on a gravity fed system. The cold is fed directly from the cold water storage tank and the hot is taken as the first feed off the hot water supply from the cylinder using an anti gravity loop (no Surrey or Essex flange). I am...
  17. T

    Aqualisa Quartz Electric Shower

    Have repaired an internal leak on a Aqualisq Quartz electric shower, used a gasket sealant worked a treat, no more internal leak. Turned water and power back on, run the cold water to fill the shower reservoir. Now the shower head is dripping very slightly, have turned the power off and still...
  18. G

    Aqualisa Quartz A2 shower continuusly dripping - repair or replace ?

    Hello, My customer has a continuously dripping shower - Aqualisa Quartz A2 - gravity feed - and I am loath to try and dismantle it to try and strip and repair it given the unusual nature of its design and limited technical information that seems to be available. The black moulding that the hot...
  19. D

    aqualisa quartz electric help

    Hey all,tried to fix a friends shower recently. It's the named shower above. It runs for about 30 seconds then it seems to click and turn itself off. The blue light on the front of the shower no longer lights up at all and it used too. Once it cuts out I can turn it straight back on and it...
  20. A

    Faulty economy 7 immersion heater / elements ?

    Hi, A couple of weeks ago the bottom element on my immersion heater suddenly stopped working. I replaced this with a new one but it didn't work. The boost continued to work for a few days more then this decided to stop working. I have power to the control box, a Pactrol 7 as the led was working...
    • aintgottaclue
    • Thread
    • control eco element elements faulty heater hot hot water immersion immersion heater power problem quartz reset smell store switch thermal water water heater
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
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