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head

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. Robert Bell

    Lower the head height on a small village church.

    I’ve had a local church ask me to lower the cistern as it has no cold feed and no water on site to get it there. The boiler is a Powrmatic Sime and the old church warden is having to climb a 3m ladder with a watering can once a month. I went round and worked back from the tallest rad with a...
    • Robert Bell
    • Thread
    • america church head height lower usa
    • Replies: 7
    • Forum: USA
  2. S

    Swan head mixer tap leaks

    My Swan head mixer tap is dripping, I have changed the washer and still dripping. I have noticed that it doesnt drip when the dishwasher is on. Thoughts
    • Sharron floyd
    • Thread
    • america head leaks mixer mixer tap tap usa
    • Replies: 1
    • Forum: USA
  3. B

    Diverter shower head not working - pls help :)

    Hi all Please can someone help me throw some light on a problem I have and how I can resolve it? I have changed my electric shower (Triton T80 GSI 10.5KW) from a standard handset to a Ibergrif diverter with handset and rain head. Please see pictures attached. However upon installation the...
  4. M

    Does anyone recognise this TRV head?

    Does anyone recognise this make of TRV head? Cheers Martin
    • MOSSEP
    • Thread
    • america anyone head recognise trv usa
    • Replies: 2
    • Forum: USA
  5. J

    Zone valve - replacement head?

    Hi all, Does anyone know if you can replacement heads for this zone valve? And if so, can you replace the head only (without having to drain the heating pipes)? Thanks Jennie
    • Jennie
    • Thread
    • forum head plumbing replacement valve zone zone valve
    • Replies: 1
    • Forum: Plumbing Zone
  6. Z

    Shower head change question

    Hi, New person here looking for some advice. Was wondering if someone could advise me if a elbow wall shower bit connected to a hose seperate shower head can be changed to a all in one hand shower (for example Mondella WELS 3 Star 9L/Min Chrome Concerto Function Hand Shower Sets)? This is the...
  7. K

    low water pressure shower head

    I purchased HIX 250mm Fixed Shower Head 1 month ago (here is the link to the product HIX 250mm Fixed Shower Head - Brushed Brass Finish, MP 0.5 [33250BBR] - https://tapron.co.uk/products/gold-shower-heads-33250bbr from Tapron) 1 month ago but the water pressure is very low, can someone help me...
  8. D

    I need to replace my old Danfoss head valve help appreciated

    Hi guys, my head valves of my radiators have broken teeth and need replacing. The diameter size is about 25/26 mm. The old ones are Danfoss BS6284 which are discontinued. I am aware that I could change the whole TVR cheaper but I just want to buy the heads please. Any help would be appreciated...
    • DrNo2021
    • Thread
    • america appreciated danfoss head help old replace usa valve
    • Replies: 1
    • Forum: USA
  9. P

    Mira electric dual head shower - Anyone know if they’re any good?

    I have a customer with an existing electric shower ask if they can have a dual head shower with a rainfall head as part of their bathroom upgrade. My initial thoughts were that electric showers aren’t powerful enough and we’d need to investigate what can be done from the gravity fed hot water...
  10. A

    Diverter head plant room

    Hello Can anyone help me identify this actuator head. It’s making noise, heat not passing through ?
  11. G

    Victorian Tap head removal

    Does anyone have any ideas how to get to the seat washer on this tap that is leaking badly at the spout. I'm assuming the gland part unscrews from the spout but I've tried this with condserable force but with no luck. I'm assuming the spindle is secured in and does not pull out. Any guidance...
    • GreenSelfBuilder
    • Thread
    • america head removal tap usa victorian
    • Replies: 4
    • Forum: USA
  12. S

    shower head

    my shower works fine from the multi point the hot water comes from the hose and runs ok till i turn the shower off, however as soon as i fit the shower head to the hose the hot water cuts out after a minute or two then relights then cuts out again . new diaphram fitted but the problem still not...
  13. P

    3 Port Valve - Replace the whole thing or just the head? Videos included!

    Hi plumbers and DIYers I made a post about my 3-port valve a couple of weeks ago, but have finally been able to take a look and thought best to start a new one than tag on. Hope that's ok. Recap: We've had a problem whereby our boiler will only heat the radiators, even when set to hot water...
    • Plumb Line
    • Thread
    • 3 port 3 port valve america head included replace thing usa valve whole
    • Replies: 3
    • Forum: USA
  14. D

    Help with two port valve head

    Please can someone advise, just had a two port valve head installed. When I turn heating and hot water on the valve lever automatically goes to manual. With the heating and hot water off I cant move the lever into manual
    • DavidT
    • Thread
    • america head help usa valve
    • Replies: 9
    • Forum: USA
  15. C

    Water only from shower head

    Morning, I have an issue with my bath faucet. It used to work fine, but all of a sudden when I run the taps, no water comes from the main bath faucets. All water goes straight to the shower head, despite the diverter not being on. Any ideas? thanks
    • calvey88
    • Thread
    • america head shower shower head usa water
    • Replies: 2
    • Forum: USA
  16. P

    REPLACEMENT SHOWER HEAD ARM ADVICE: WILL IT SUPPORT A 300MM SQUARE HEAD

    Hello Everyone I am replacing an all in one shower arm and 200mm square showerhead a head has fallen off and I had to remove arm. I want to replace with a 300mm head like this. https://www.NoLinkingToThis/p/cooke-lewis-adjustable-ultra-slim-square-shower-head-chrome-300mm/5882t I have now been...
  17. P

    Bath mixer shower head height changes temperature

    Situation: Had a boiler system conversion. From Potterton boiler with Gledhill storage tank with on demand hot water to Veissman Combo with on demand hot water. 2 bed semi with only myself and wife living here. Unfortunately used iheat service which has no real customer service. Have had the...
    • philbutton
    • Thread
    • bath changes head height mixer mixer shower shower shower head temperature
    • Replies: 9
    • Forum: DIY Plumbing Forum
  18. A

    Help with Shower head connector without removing?

    Morning, I have this old shower head in a newly acquired house, and am trying to find a replacement shower head. Doesn't need to be the same design, but just trying to make sure the connector is the same as a new one. I found an identical head online: But in one question the answer is its 7/8"...
  19. Husk24

    What type is this radiator valve head?

    Hi guys trying to install a tado trv but struggling to install it even with the supplied extra bits, I wanted to know the type or name if this valve head? Can anyone kindly help thanks
  20. B

    Rainfall round Shower head replacement advice

    Hi everyone, I have a thermostatic mixer shower and attached to it is also a hand held shower. The hand held shower has much better water pressure and flow where as the rainfall shower head is not nearly as good. Are there any shower head replacements for a rain shower head but not as big...
    • BobbyJoe
    • Thread
    • advice america head rainfall replacement round shower shower head usa
    • Replies: 0
    • Forum: USA
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