Bosstherm 22mm 3-Port Mid Position Valve Bmpv222 - with app voucher (free C&C)
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Posted 2 days ago

Bosstherm 22mm 3-Port Mid Position Valve Bmpv222 - with app voucher (free C&C)

£13.74£33.9560% off
In store: National ·
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PGs_Tips
Joined in 2009
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About this deal

A bit niche, but for anyone with a central heating system and hot water cylinder you may need one of these if your motor fails. The motor alone usually goes for £20+, however the cheapest I can see that includes plumbing and motor is £30

Note: you need to check stock at a store near you as some stores are out of stock
City plumbing More details at
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Edited by PGs_Tips, 2 days ago
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34 Comments

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  1. u664541's avatar
    Cheap

    Honeywell equivalent will cost 4x that

    Edit - 6x or 7x that!!! (edited)
    robatt's avatar
    And they fail regularly. Open them up and you'll see why. Really cheap components.
  2. Zilina's avatar
    If the synchron motor has failed in your valve these can be easily and cheaply replaced.
    Replacing worn out micro switches is also an easy fix.
    Far easier than replacing the whole valve... especially if your pipe work is old and crusty like mine. (edited)
    yubious's avatar
    hello mate,
    how do you go about diagnosing where the issue is?
    mine wont switch to heating on its own, i can have hot water on its own fine. If i call for just heating, nothing happens, the boiler wont fire up, if i call for hot water as well it works... ive checked the wiring, all appears ok there.
    Thanks. (edited)
  3. xigent's avatar
    I’ve no experience of this valve but I’ve fitted both Honeywell valves and other makes. The Honeywell valves are better but the price can be extortionate unless you shop around. They all contain a motor that can fail after a while. The most reliable motors are made by Syncron whilst the cheaper copies say Syncronous and they aren’t worth bothering with.

    Would I fit this cheap valve? Probably not, its not worth the hassle. (edited)
    edmoss's avatar
    I shopped around for an original Syncron motor, so many cheap knockoffs. I think inside the honeywell valve is the real Syncron motor.
  4. OLDSKOOL's avatar
    Are these any good? I bought a Honeywell clone last year and it broke in a very short time.
    nathanlewiswarrilow's avatar
    As with most things, you get what you pay for
  5. justjamming's avatar
    Costs about this much for just the motor bit inside usually! Loads of videos on replacement; it does help to have some experience in working with basic electrics though to replace parts.

    If this is your first "work with wires" home attempt, I'd steer clear.
  6. bluesuns2's avatar
    Great deal if you need one although most people who don't live in vert big house have combi boilers now
  7. daveateallyourbees's avatar
    Max temp 50 degrees; typical hot water could 65 degrees?

    But I have my current one jammed open as pipes need replacing so should really give this a go!
  8. utigers's avatar
    Does this head fit on a Honeywell body? Any ideas?
    PGs_Tips's avatar
    Author
    The short answer is I believe so. I removed one branded on a few year back and replaced with a different one. They sit on an attachment plat and are held on by two screws. The motorised head can be replaced without any plumbing, but you do need be competent with electrics as it's 240v and has 5 wires that have to go in the correct place for it to work properly
  9. toorkish's avatar
    Out of stock
    PGs_Tips's avatar
    Author
    They are still in stock at some branches
  10. sully01's avatar
    Thanks
  11. HaroFreestyler's avatar
    Good price. Ours failed on the underfloor heating manifold but I just removed it and left the valve open. 
  12. greg666's avatar
    That’s super cheap
  13. Wear_The_Fox_Hat's avatar
    Wild goose chase.....
    PGs_Tips's avatar
    Author
    There's a few around - I checked stock in local stores before posting
  14. goldfishtrad's avatar
    My 3 way valve failed a few weeks ago. Watched the plumber replace it and thougth " Easy job, I could do that". Still cost me £200 though....... So this is a bargain at £13. I will probably get a load of flack from any plumbers on here but it's a very straightforward job for someone good at diy. (edited)
    OLDSKOOL's avatar
    The wiring on mine was.. non-standard shall we say . The previous owner was big into bodge job DIY. Although yes, It is an easy DIY job if you are comfortable with working with electricity
  15. W._.M's avatar
    I had to replace one of these on my system. Didn’t do any plumbing (left the pipe in place but moved the electric motor) and the whole job took less than half an hour
    PGs_Tips's avatar
    Author
    Yes, you can just use the motor and replace that, I've done that before (edited)
  16. bluesuns2's avatar
    Not to sure to be honest I've never fitted them only connected them up after the plumbers have fitted them but I would imagine so
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