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heads

A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste, respectively. Some very simple animals may not have a head, but many bilaterally symmetric forms do, regardless of size.
Heads develop in animals by an evolutionary trend known as cephalization. In bilaterally symmetrical animals, nervous tissues concentrate at the anterior region, forming structures responsible for information processing. Through biological evolution, sense organs and feeding structures also concentrate into the anterior region; these collectively form the head.

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  1. P

    Replace basin sink tap head covers please

    Have a sink basin tap photo attached and need to replace the heads as behind they have cracked. Any idea where I can get replacement tap head covers only need to change the tap head covers really Problem is the old tap head covers wont turn! Any ideas please? Thanks
  2. A

    Anyone seen tap heads like these and know how to get the caps off?

    They appear to be acrylic heads.
  3. B

    Replacement thermostatic radiator valve heads

    I installed central heating in my house about 22 years ago using bog standard Screwfix 15mm angled thermostatic valves marked E.C.A. where needed. The plastic has become brittle with age so the lugs which are clamped by the retaining ring have snapped off. I'd like to just replace the head but...
  4. T

    Trying to find out what make these tap heads are

    Can anyone help tell me what make these tap heads are please - look like Ideal Standard or Armitage but not found exact model
    • TapHead
    • Thread
    • america find heads make tap these trying usa
    • Replies: 5
    • Forum: USA
  5. P

    Replacement TRV heads

    I need to replace several TRV heads but can't source the original "Boss" heads. Is there a suitable alternative, are all heads the same? Thanks
  6. J

    Which is better Dual Shower Heads? Ana Bath SS5450CBN or AquaStorm 1440

    It is really difficult to choose which is best dual shower head? I have found Ana Bath SS5450CBN and AquaStorm 1440. Can any one tell me? Which is better Dual Shower Heads?
  7. P

    Bath Shower Mixers - are heads, rails etc from different brands all compatible?

    Hi folks Trying to choose a bath mixer shower... I've found some I like, but I don't tend to like the slider rails from the same brand. My favourites are these: Shower mixer: https://www.homesupply.co.uk/Francis-Pegler-Sequel-Pillar-Mounted-Bath-Shower-Mixer-Tap-with-Shower-Kit Slider...
    • Plumb Line
    • Thread
    • america bath brands compatible different heads mixers rails shower usa
    • Replies: 5
    • Forum: USA
  8. U

    Bath tap heads - unusual type

    My father's bath has unknown make tap heads, which turn one way for the side filler & the other for the shower. The heads are a bit like upside-down saucepans but with rectangular block handles - the saucepan look was everywhere a few years ago IIRC (a bit like the pic šŸ˜‚). However AFAICT...
    • UserError
    • Thread
    • america bath heads tap unusual usa
    • Replies: 0
    • Forum: USA
  9. B

    Vaillant EcoTec 630 - will only partially fire and won't heads the rads

    Morning all, I'm new and shiny here and seem to have developed a heating problem this morning. Any pointers for a quick resolution would be appreciated as my ears are now hurting! :rolleyes: I have a Vaillant Ecotec Plus 630 driving rads, hot water and underfloor heating in some of the house...
    • BikeSausage
    • Thread
    • america cold radiator ecotec fire heads hot rads usa vaillant won't
    • Replies: 2
    • Forum: USA
  10. J

    Heads up to the trade

    Stock market is down folks...put down your PTFE for five mins and buy some stocks & Happy Birthday Gordon šŸ„³
  11. S

    Heads up on dry condensation traps boys.

    Just left a job literally, tenant contacted landlord with smell of gas. Tightness okay, gas sniffer didnā€™t pick up anything either. I got out the analyser and 50ppm in airing cupboard, tenant had rammed a ton of junk in the cupboard and dislodged the condensate pipe. The trap was bone dry....she...
  12. mgw

    TRV heads, and linking to wall thermostat?

    I have looked at a range of TRV heads costing between Ā£10 and Ā£60 and it seems until you buy them, you don't really know what you are getting for your money. They all use batteries, they all allow multi temperatures to be set depending on time of day and day of week. Some are direct entry only...
  13. D

    TRV4 Sensing heads breaking

    I have Drayton TRV4's and over the last few years quite a number of the sensing heads have started to break off. As far as I can tell the gland seal on the valve starts to weep, water gets into the plastic head and attacks the plastic which becomes brittle and cracks. They were fitted 18 years...
  14. W

    Does anyone know off the top of their heads...

    Does the body of a clicker basin waste tend to be longer or shorter than the body of a pop-up (rod operated) waste?
  15. L

    Venturing into the world of Gas soon!

    Hi guys, I have recently signed up to an accredited ACS gas course in Feb. im hoping for some heads up on some of the equipment I may need. I have my plumbers kit (a collection of around 10 years). Was hoping for some direction of metering tools, books, Apps and anything else you guys could...
  16. J

    Heads up on an ideal isar

    Tend to stay away from these, have a job to go to that's doing the following. Hot water fine, has heating on an when it reaches temperature it doesn't come back but goes to LF. ignition fault, but it's fine on water? Was thinking that it's condensing more in CH mode, maybe blocked sump...
  17. Scott_D

    Danfoss trv heads

    Does anyone know if the trv heads of these valves are interchangable? Fitted 2 radiators where they supplied materials but they didnt get any valves. I used the white Danfoss valves I had in my van but they dont like them!!
  18. H

    Twin Shower Heads How to install Please

    i want to install a twin showerhead (hand held & rainfall) that uses a 3 way diverter, the only ones that i have seen fit to a bath thermastatic mixer. i want to fit to my electric shower water outlet instead. can this be done?
  19. C

    westco heads

    I need 3 or 4 westco trv heads, the old fashioned ones with female nuts on the f&r pipes , think the rad end is 3/4" I don't wat to replace the whole trv as it would be a bloody nightmare in the customers house ! anybody have some I can buy ? don't mind if they are used, or anybody know where...
  20. rpm

    Guy Martin F1 Special for petrol heads

    Anyone else see the enlightening Bike / Car duel out with Guy Martin and David Coulthard at Silverstone on the tv last night? They were a lot closer matched than I imagined they would be even in the weaving though the cones duel. If you missed it it`s worth catching up on.
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