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model

A model is an informative representation of an object, person or system. The term originally denoted the plans of a building in late 16th-century English, and derived via French and Italian ultimately from Latin modulus, a measure.
Models can be divided into physical models (e.g. a successful pupil as a role model for others in the school) and abstract models (e.g. mathematical expressions describing behavioural patterns). Abstract or conceptual models are central to philosophy of science, as almost every scientific theory effectively embeds some kind of model of the physical or human sphere.
In commerce, "model" can refer to a specific design of a product as displayed in a catalogue or show room (e.g. Ford Model T), and by extension to the sold product itself.
Types of models include:

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  1. A

    What ferroli model is it?

    Hi, just wondering if anyone knows what model this bolier is? It's suppose to be two years old. Also need a manual. Thanks. Anthony.
  2. M

    gas council number

    Hi all, anyone know g.c number for ferroli domicondens f24, boiler under warranty and thought landlord was getting engineer out so I didn't note it. Need to order a part now, as he said I was to to do job instead.
  3. A

    Multimeters

    What kind do you guys use? I've had a socket and see one for under a year and its started playing up. Giving strange readings. Time for a new one, looking for something decent
  4. D

    baxi 105e no pre heat.

    the boiler goes through the lighting sequence,sparks but will not allow any gas through,what holds back the gas on this model no mi
  5. D

    37CDi model, Danfoss TP5000SI-RF thermostat + RX1 receiver, Grundfos & EUHWTS

    Hi All, I have a 37CDi model, Danfoss TP5000SI-RF thermostat + RX1 receiver , Grundfos pump (230V), 4-wire actuator (230V) and Electronic Underfloor Heating Water Temperature Stat (230V) attached to manifold. Anyone know how to wire up all these? The system is described: I got the...
  6. D

    Bosh 37CDi model, Danfoss TP5000SI-RF + RX1, actuator & EUHWT wiring

    <span class="postbody">Hi All, <br> Bosh 37CDi model, Danfoss TP5000SI-RF + RX1, actuator & EUHWT wiring <br> I have a Worcester 37CDi model, Danfoss TP5000SI-RF + <span style="font-weight: bold">RX1</span> thermostat, Grundfos pump (230V)</span><span class="postbody"> +...
  7. P

    Grundfoss Niagara shower pump

    Grundfoss Niagara shower pump repair? Hi Guys I installed one of these shower pumps for a custard just over two years ago so it's out of guarantee. It's suddenly started cutting out intermittently. After checking filters etc I did the obvious and hit it with a hammer, it started. :cheesy: But...
  8. P

    Electric Shower

    A customer has asked me to fit their shower for them. It is Hot and Cold Fed but Electric. Will it need a designated feed for Hot from Cylinder and from CWSC for Cold ? They have Open Vented Cylinder. Or can I just tap into any Hot & Cold pipework? Thanks
  9. G

    Valliant Combi Please help identify model and GC no please

    We to service a Valliant Combi. customer has no manual thought may be able to download, but can not find model name or number. Any help would be appreciated. I am GSR registered Please see attachments Thanks
  10. F

    Andrews Water Heater standard model

    Guys and Girls, I have a problem with a clients water heater, standard version. The cold inlet to the cylinder is corroded all around the thread and connection to the cylinde. What is the chance of being able to replace the inlet pipe dip. The corrosion is pretty bad, dont think I will get a...
  11. B

    what model

    does any one know what model of charm fire this is , theres no data plate to be found on it , and i want to save messing about in the suppliers in the morning . i need to order a few bits for it many thanks amigos
  12. K

    immersion tank problem or shower problem?

    I have a boiler, an immersion tank and a thermostatic power shower. I programme my hot water to come on every morning and thus have hot water to have a shower. Just lately I have noticed that if its the weekend and we dont get up till late the shower is not very hot. This morning my other...
  13. P

    Horstman h37 Knackered!!

    guys any ideas on a less pricey 3 zone 7 day progammer that will still fulfill the previous one??
  14. S

    BAXI DUO-TEC COMBI HE A Range Model 28 HE

    Above boiler showing error code E119, low system water pressure. Likely cause, was yesterday venting a radiator! Vent valve now closed but boiler still not working. I have opened the fill line between the cold water inlet and the heating return but the system pressure remains at zero, in...
    • Steveco
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    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  15. N

    What make/ model of boiler would you recommend?

    Currently have a baxi Bermuda 552 back boiler and gas fire front. It's 35 years old so think it’s time to change it :rolleyes: Decided to go for a combi and place it in the loft for ease of fitting the flue out through tiled roof and condensate pipe into outside gutter. The airing cupboard in...
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    • 22mm 28mm baxi boiler combi condensate condensate pipe connect cylinder drain efficiency gas high install loft model oil pipe potterton pump recommend system wall water worcester
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  16. S

    Wilkins Valve ~ Model # NR3

    Hi Gang (newbie here) I'm new to this forum and I'm having one heck of a problem with:Water Presure @ My Home. I bought a water presure gauge to see what the water presure was comig off the main in my house. It read: 60 pounds. The Wilkins Valve #NR# can go way beyond that. However I...
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    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  17. F

    What is the model of this boilder

    what is the model of this boiler and is this a power shower ??? im asking if this is a power shower as the water pressure seems to be very fast and uncomfatable when taking a shower is this normal if not what can be done and also what is the boiler moder please i know it is a vallliant...
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    • Thread
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    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
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