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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. M

    are motorised valve heads interchangeable

    Got a client who has a tower mid position valve wherd the gears are crunching like mad. Body is fine. So is it possible to just put a a honeywell or corgi head one
  2. T

    Safe removal of inset from old tap heads.

    Anyone have any tips as to how I might safely remove the inset/indices on the heads of these old Adams taps? As hard as I have tried I simply cannot get them to shift. I have actually replaced the washers on the taps but the spindle has seized (on the hot side) so I need to remove the capstan...
  3. J

    Honeywell trv heads

    Looking for 18 Honeywell replacement heads and wireless room stat, where's the cheapest place to get the trvs? Found 12 pound online but not sure on company, is the sponsor about to give me a price? Haven't been on for a while so can't remember his name! Good guy though!!
  4. A

    Zone valve

    what is the 6th wire on a honeywell zone valve is it as i suspect not used on a w plan and can i wire a replacement 5 wire to an existing 6 wire zone valve also is the motor and mechanical fitting on a 22mm vone valve the same as a 28mm got a 28mm 6 core motor to replace, and today just...
    • ambrosia
    • Thread
    • forum heads honeywell motor plumbing valve white zone zone valve
    • Replies: 8
    • Forum: Plumbing Zone
  5. W

    Can these typers of shower heads be changed easily?

    I've been sent the pic from a customer who wants it replaced. What is that connection at the wall, push fit with an allen key? And are they universal sizes? Can they bought separately? What are they called? What year is this? Who is the President? Thanks
  6. M

    Heads up, bargain jaw dropper.

    Plumb Center are knocking them out at £9.99 plus the dreaded at the moment. I've picked up a second one to keep as a spare at that price.
  7. R

    heads up makita drill sale

    good spare or for starting out 8391DWD - Makita 18V Cordless Hammer Drill - Makita - 8391DWD
  8. P

    Heads Up

    Don't know how many of you lot rate them but Stanley Deep Pro Organisers are on offer in Screwfix at £14.99, normally £25
  9. R

    heads up tool sale

    might be useful if you need some new tools ITS ? Power tools, hand tools, Makita power tools, Festool, Dewalt & more
  10. F

    Help!!!! Please please please help!!!! Heads gonna go bang!!!!

    Stressed is a understatement.... Right here we go. Ideal Logic Plus 24kw combi. Plumb Center's own brand room stat. Followed the boiler MI's to wire the room stat in, didn't work. Phoned Ideal TEC, followed what the lovely girl was saying, didn't work. Phoned Plumb center for a copy of the...
  11. B

    TRV Heads

    Hi, quick question about trv's. I have myson trv's on my radiators and a lot have stopped working over the years. I am about to rent the house out and need to fit some new ones. However i dont know what heads to buy. The valve screws on via a screw that is roughly 22mm in diameter. However a...
  12. L

    Horstmann F222M

    Never fitted or repaired one before then 3 come along at once - are they a full drain down or are the heads interchangeable? Thanks in advance.
  13. M

    Zeparo

    Has anybody used one of these, do they do the same job as a spirotrap? Any info appreciated. Cheers
  14. M

    I think my heads going to explode

    Just sitting going through the pre course work for my WRAS water regs exam in a couple of weeks. I thought I was fairly well up on the regs but this is a minefield. No wonder they recommend 14 hours a week study for 4 weeks prior to the exam.
  15. L

    Heads up please

    Whats the eticutte on this forum? Never been on a forum before but want to use this as a learning tool, hopefully give some good advice (im sure I will get shot down if wrong!) and have some banter Registered with moderator to get access to gas site, obviously a new member but on the boiler...
  16. G

    Power flush machine - heads up on SILVER POWERFLUSH 240 UNIT

    POWER FLUSH MACHINE POWERFLUSH FOR POWER FLUSHING | eBay been down to GES to pick up my analyser today and the sales man was bigging up there new powerflush machine they have started to stock, apparantly its really quiet (comparable with a fish tank) and more powerfull than kamco ones. it also...
  17. A

    Just a heads up.

    I was on the Worchester Bosch hospitality trip a couple of weeks ago where our local rep took us down to worchester, booked us into a nice hotel and took us for a tour around their factory where they went over the new boiler range their about to bring out. The range will be called the LXI range...
  18. G

    how do get the top off !!

    hi all got to fit some tap revivers, but i cant see how to get the top off the tap i've only looked at it but i thought i'd put a photo on in case anyone has seen these taps before and knows exactly how to get the tops off before i go round and have a go myself thanks in advance
  19. O

    Best light commercial scale prevention?

    I’ve had a query from a small sports facility in London. They have half a dozen or so showers in pretty frequent use and suffer from lime scale problems. At present they just keep on replacing the blocked shower heads. What kind of prevention system works in a small commercial setup like...
  20. P

    When all around are loosing their heads

    When all around are loosing their heads
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