Did I Undersize The Gas Supply For This Vaillant 940? - A Day In The Life Of A Gas Engineer 84

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  • Опубліковано 3 лют 2025

КОМЕНТАРІ • 110

  • @cputilitysolutions
    @cputilitysolutions  Рік тому +4

    Thanks for watching and please don't forget to LIKE & SUBSCRIBE! 🙏🏾

  • @russellbaldry5095
    @russellbaldry5095 Рік тому +4

    I fitted a few of the old 937s and they were beasts aswell like a small fridge on the wall lol in installations where theres no space for unvented cylinder i think they are the only solution 👊🏼👍🏼

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Yeah they're a good alternative! There's also the Viessmann 111 & 222 as well but I've not fitted either of them before

  • @wolvolad25
    @wolvolad25 Рік тому +1

    Another great vid matey 🎉 still amazed thats not floor standing

  • @Chubby_T0511
    @Chubby_T0511 Рік тому +6

    That boiler is a beast. I'd be having sleepless nights if i hung that on some of the walls I come across.

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +3

      Tell me about it, I used every fixing hole there was 😅

    • @wolvolad25
      @wolvolad25 Рік тому +3

      Was just thinking same thing. Id feel much more safer as a floor standing 6:27

    • @Chubby_T0511
      @Chubby_T0511 Рік тому +2

      @wolvolad25 I'm surprised it isn't really considering how big it is. Aesthetically it would look better and from a safety point of view even more so.

  • @sen5908
    @sen5908 Місяць тому +1

    I had a 937 plus in my previous house, put it in the garage as it was a beast, never used the storage tank, so it was a waste of money buying it

    • @cputilitysolutions
      @cputilitysolutions  Місяць тому +1

      How did you manage to bypass the storage tanks? Didn't know you could do that

    • @sen5908
      @sen5908 Місяць тому +1

      @@cputilitysolutions You turn the hot water fully up, it shows the C symbol, then you turn it right down and the C disappears, then u set it at the desired temp, same again if you want to turn the charge tank on, turn it fully up till C appears, then set it at desired temp, charge tank is then on

    • @cputilitysolutions
      @cputilitysolutions  Місяць тому +1

      @sen5908 nice one I didn't know that 👍🏾

  • @tonymurff5234
    @tonymurff5234 Рік тому +2

    Mate that’s an absolute monster on the wall,
    Brave man hanging that ,
    Fare play cracking installation,
    👍👍🤜

  • @wolvolad25
    @wolvolad25 Рік тому

    Love the time lapse

  • @rich.87
    @rich.87 Рік тому +3

    I've never seen a gravity supply feeding a combi before 😮
    The pressure must have been terrible.
    The new valliant are a beast!

  • @tethadam6678
    @tethadam6678 Рік тому +1

    Great vid as always

  • @tomstrutton4351
    @tomstrutton4351 Рік тому +1

    I’m a plumber… and you’re brave putting your work up for everyone to comment on… the gas you can put a bit of 28mm anywhere on the run, that would help. I’ve done a section of 32mm before. That boiler where it is ( not your fault obviously) is absolutely ridiculous, fucking size of it. I wonder what the flow rate was? 40kw gotta give some flow.. and I would never worry about power flushing a sytstem that’s been a sealed system for years…but look at the shit you got out

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Thanks mate, yeah in hindsight a length of 28mm wouldn't have hurt but I got lucky with the working pressures. I do get a lot of dirty systems on my flushes!

  • @effervescence5664
    @effervescence5664 Рік тому +2

    As soon as someone says 40kw Combi to us unless it's right next to the Gas Meter first 3 meters is always 28mm. Nice job though, quite liking the new Vaillant's overall, they're really impressive, if a little lacking on the instructions when you do a system boiler and pair it up with their controls. Nice job though wouldn't want to forget it's a storage combi when you stand up it's like hanging a fridge off the wall!

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Yeah man I still get amazed at how deep it is! It is mad that they keep it wall hung rather than floorstanding

  • @kkplumbingandheatingservices
    @kkplumbingandheatingservices Рік тому +2

    Nice video, go for vaillant controls on the next vaillant you do

  • @leebooth7127
    @leebooth7127 Рік тому +1

    I was asked to use a rcd fused spur on the Vaillant due to the pump and electronics , checking the gas on the old appliance if working would have bought you a bit more time

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Thanks 👍🏾

    • @GasTraining
      @GasTraining Рік тому

      Asked by customer I take it? Is it because of pumps generally now wanting to be on rdc circuits or?

  • @Mike_5
    @Mike_5 Рік тому +1

    28mm would be best unless the Combi is very close to the incoming supply (British Gas do this as standard install on most Combi's) but large Range Cooker's with Multi Hob Burners are also a factor as their immediate demand can be massive too. Nice work though and nice to see someone who is on the case and wants the best install for the customer as well!

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Thanks mate, yeah luckily the 22mm was ok in this case but a couple of lengths of 28mm wouldn't have hurt 👍🏾

    • @delboy6384
      @delboy6384 Рік тому +3

      In this kind of scenario I also check the flame on the hob/cooker is not affected by the boiler when it's firing up etc. If it dances, back under the floor boards I go😂

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      @@delboy6384 💯

    • @Mike_5
      @Mike_5 Рік тому

      @@delboy6384 For sure if it dances you need to do a Linford Christie sprint out of there!!

  • @lloydlawrence2009
    @lloydlawrence2009 3 місяці тому +1

    Was about to order one of these as a replacement for an old Potterton Powemax HE floor standing boiler but I'm not sure I'd feel safe having one of these hanging off of a breeze block wall - dang! Why the hell didn't they just make it a floor standing boiler.

  • @robharrison6918
    @robharrison6918 Рік тому +1

    Oh no 😢you haven’t put a SensoHome on with the Vaillant gateway. Agree with the cable entry.

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Customer didn't want to pay for it

    • @robharrison6918
      @robharrison6918 Рік тому +1

      Small price to pay on top, and it works via the BUS so better for economy and the life on the boiler. I never fit them without it and it’s plug and play now too , so a really easy install and looks smart too. 👍

  • @peterreid4567
    @peterreid4567 Рік тому +1

    I’ve just been to one of those boilers. Vaillant said 13-5 mb working pressure at boiler on max is fine.

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Yes but I only had 11mb 👍🏾

    • @peterreid4567
      @peterreid4567 Рік тому +1

      @@cputilitysolutions I was surprised it could be as low as 13,5. Was it a pipe size or gas meter issue.

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      @@peterreid4567 undersized incoming main so Cadent had to upgrade it from the road

  • @sen5908
    @sen5908 Місяць тому

    I'm looking for a very good combi bolier for our new house, with very good output, and hot water flow rate

  • @nickcannon5592
    @nickcannon5592 Рік тому +2

    In coming service was crushed, I had it once or twice in 40 years, pretty rare

  • @alanmurphy3584
    @alanmurphy3584 Рік тому +4

    You was brave running 22mm to that from where that meter was, that wouldn’t been 28 all day for me, one thing, why the 3rd party on off controls ? As a bare minimum you should be giving them load comp

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +3

      It worked out in the end, 1mb difference between boiler & meter 👍🏾 gave customer options for controls and that's what they went with

    • @S.Trades
      @S.Trades Рік тому

      ​​@@cputilitysolutions
      keeping it real!

  • @dwizzt7130
    @dwizzt7130 Рік тому +3

    Can go down to 18.5 mbar working pressure now at the meter.👍🏻

  • @smartboilercompany1983
    @smartboilercompany1983 Рік тому +1

    That’s a beast of a boiler, did you get some good hot water flow rate at the bath?
    Also I love Eph controls but the vaillant controls are a must for either load or weather compensation on a vaillant boiler, a lot more expensive but well worth it.

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Yeah flow rate was great, actually even better once we linked out the mains in the loft 😅 yeah I always try to recommend the Vaillant controls but customer wanted something cheaper so went for EPH

    • @smartboilercompany1983
      @smartboilercompany1983 Рік тому +1

      @@cputilitysolutions I’ve never come across that before tbh a loft tank supplying a combi. Would of been fun to see how the 940 ran off a gravity tank 😜😜😂

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      @@smartboilercompany1983 neither had I until this job 🤣

  • @fadefadee160
    @fadefadee160 6 місяців тому +1

    Is this boiler 940 enough for 2 bathrooms and 8 Radiators? Please

  • @alimack5489
    @alimack5489 Рік тому +2

    Bloody hell looks like a fridge on the wall 😂. What was the reasoning behind one of those? Just flow rate?

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Yeah they had 2 bathrooms but no space for an unvented cylinder so this was the next best option

  • @sarucasual9141
    @sarucasual9141 Рік тому

    How much was that swap plz ? Good video

  • @horizon8386
    @horizon8386 2 місяці тому +1

    14:01 just take the side panel off? It’s 2 screws

    • @cputilitysolutions
      @cputilitysolutions  2 місяці тому +2

      Yes but the point is why make the cable entry points so awkward

    • @horizon8386
      @horizon8386 2 місяці тому +1

      @ they are really designed to remove the entry plate from the boiler fit cable through the grommet and offer the cable and plate back up to the boiler.

  • @gedodonnell3964
    @gedodonnell3964 Рік тому +1

    Used the old storage tank as a break tank ….usually when cold water mains pressure is too low

  • @peterreid4567
    @peterreid4567 Рік тому +1

    Can I ask a question did you not test the standing pressure at the meter and let by test before you even started work Just a question. Thanks , You should of also of gone back and tested after cadent had been

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Standing pressure and let by has nothing to do with working pressure (yes I did my checks beforehand regardless). Old Turbomax was a lower kW to the 940, and as you saw I upgraded the gas run as well

    • @peterreid4567
      @peterreid4567 Рік тому +1

      @@cputilitysolutions I was just wondering out of curiosity would the standing pressure not of been low. I know you said working pressure was 13. I had same issues a while ago but my standing pressure was low on my first test before I start work.

  • @ram64man
    @ram64man Рік тому +1

    Maté quote me for this model and regular to combi conversion , emailed you the other day I know your busy at this time and if you can tell us the depth with that tank on the back as I can’t find any details, also are they doing a jig to take the pipes up the back

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      Hi mate, sorry when did you email me? Apologies I've not had a chance to go through them all yet! Best is to WhatsApp me

  • @wolvolad25
    @wolvolad25 Рік тому +1

    Whats a shunt pump ? 14:04

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      The hot water circulation pump that does the tanks. It's at the back of the boiler

    • @sen5908
      @sen5908 Місяць тому

      ​@@cputilitysolutionspig of a job to replace

  • @matthewdrew9370
    @matthewdrew9370 Рік тому +3

    You've got to expect gas service pressure issues when fitting 40kw boilers.

  • @CarlAtkinson-zu1zh
    @CarlAtkinson-zu1zh Рік тому +1

    Is it possible to power flush a 10mm mirror bore open vent system that’s 20 years old?

  • @paulhughes8724
    @paulhughes8724 Рік тому +1

    How are you going to lag the condense ?

  • @monturrahman878
    @monturrahman878 Рік тому +1

    Not sure about the change to wide angle

  • @v8motors.
    @v8motors. Рік тому +2

    Not good of Cadent to fob you off on their first visit. That Boiler does it transform into a Truck like in the movies.😯

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Always having dramas with Cadent 🤦🏾‍♂️ haha you'll see it in the next Transformers movie 😂

    • @alimack5489
      @alimack5489 Рік тому +2

      @@cputilitysolutionsAlways cause me issues they refuse to put appliances in high rate.

  • @andrewoleary9704
    @andrewoleary9704 Рік тому +1

    Who the hell installed that ?? !!!!!

  • @Nadaan2000
    @Nadaan2000 Рік тому +1

    900 series is a rubbish boiler.
    Better off putting cylinder or just using a 835

  • @frankiepc8119
    @frankiepc8119 Рік тому +1

    That boiler installation is absolutely ridiculous , whoever agreed to have a boiler as deep as that in that location was on steroids or drunk as a lord !!! If I was the customer I would have refused to pay till either a smaller boiler was fitted or the boiler moved to a more discreet location . Sorry mate I have noticed your errors are getting more frequent now and this one tops the lot so far . All the best fir the next one that’s all I can say 👎

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Thank you for your comments and interaction 👍🏾

    • @customhoused4335
      @customhoused4335 Рік тому +4

      Mate, that’s very harsh and not welcome. This lad is very good at his job and professional.
      It must be very hard being perfect eh.
      Upload some videos and pictures of your work eh???

    • @customhoused4335
      @customhoused4335 Рік тому

      @@cputilitysolutions I really enjoy your videos mate, keep up the good work!
      Ignore the knobs out there, unfortunately we all get them.
      They won’t post videos or pics of their work will they?!!
      You’re a grafter for sure! Top man!
      There should be a “fuck off, knob head” button for dicks like that! 😂😂😂

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +9

      @@customhoused4335 it's ok mate, some people just have to make negative comments for the sake of it, I don't take any notice of it, if it makes them feel empowered typing an essay of nonsense then it's their time wasted not mine 😉

    • @mattkearney8009
      @mattkearney8009 17 днів тому

      what a idiotic comment

  • @DodgyDez
    @DodgyDez Рік тому +1

    How come you strip the boiler down completely on removal? Isn't it more time efficient to just disconnect connections and lift off? Not hating just asking

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +2

      Normally yes but that Turbomax is heavy so I strip it out to make it easier to lift off

    • @DodgyDez
      @DodgyDez Рік тому +1

      @@cputilitysolutions Fair enough!! Thanks for reply

    • @tomstrutton4351
      @tomstrutton4351 Рік тому +1

      @@cputilitysolutionsI pretty much always strip em down…old ones are heavy

    • @cputilitysolutions
      @cputilitysolutions  Рік тому +1

      @@tomstrutton4351 yeah not worth risking an injury!