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TGD Part L Zones

  • 06-10-2011 10:40am
    #1
    therightangle
    Registered Users, Registered Users 2 Posts: 85 ✭✭


    Section 1.4.3.2 in TGD Part L 2008 & 2011 would seem to leave the door open to not installing any room thermostats in a dwelling, and theoretically allowing just 1 TRV in each zone. Does anyone else read it in this light?

    As well as being a miserable amount of thermostatic control, this would not provide any boiler interlock.

    I find it strange, especially when the UK specifies 2+ thermostats (and TRVs) for most situations.


Comments

  • #2
    sydthebeat
    Subscribers Posts: 42,171 ✭✭✭✭sydthebeat


    provision for control of space heating is to be done in accordance with:

    Heating and Domestic Hot Water Systems for dwellings – Achieving compliance with Part L 2008

    It is possible to have a heating system that has no thermostats trvs etc.
    If you have a small dwelling with manual imput solid fuel heating ie stove, then all you need is thermostatic control of burning rate.

    see table 19 for example.

    for oil gas etc, the requirements are much more stringent.


  • #3
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    therightangle wrote: »
    Section 1.4.3.2 in TGD Part L 2008 & 2011 would seem to leave the door open to not installing any room thermostats in a dwelling, and theoretically allowing just 1 TRV in each zone. Does anyone else read it in this light?

    As well as being a miserable amount of thermostatic control, this would not provide any boiler interlock.

    I find it strange, especially when the UK specifies 2+ thermostats (and TRVs) for most situations.
    I hadn't noticed, i guess the BER process had made temp sensor kind of standard.. I'm not a fan of TRV's and prefer to install wall mounted temp sensors programed back to heating controls. the idea of trvs seems silly to me, being as their on top of the heat source, and as the cheaper brands don't preform after a few years installed.


  • #4
    sydthebeat
    Subscribers Posts: 42,171 ✭✭✭✭sydthebeat


    BryanF wrote: »
    I hadn't noticed, i guess the BER process had made temp sensor kind of standard.. I'm not a fan of TRV's and prefer to install wall mounted temp sensors programed back to heating controls. the idea of trvs seems silly to me, being as their on top of the heat source, and as the cheaper brands don't preform after a few years installed.


    trvs are a great way to install extra heating control in an existing system. On new systems theyre a bit OTT in my opinion, if used in conjunction with wall stats.


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