Discussion
Oh what fun. Our boiler has terminally given up the ghost. Nice timing.
I'm getting quotes from plumbers, but it seems every one that comes says different things as far as what is "mandatory" now to get a certificate. Which of the following statements are true, and which am I being fed a line on ?
1. I need radiator temp control valves on every radiator bar the hallway
2. I need radiator temp control valves on every bedroom only
3. My perfectly fine but "old style" hot water tank needs to be replaced (it's not lagged with the foam stuff from new, but is covered by two jackets, very thick)
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe (biggish job as it currently goes through the concrete floor)
5. None of the above
I've had two quotes so far, waiting for 2 more. For a 24kw system boiler (bosch, veissmann etc) for a 4 bed house, the quotes range from £1700 to £2700 !! Talk about a difference ... thing is I cannot make my mind up if Im either going to get a cowboy job, or ripped off !
I'm getting quotes from plumbers, but it seems every one that comes says different things as far as what is "mandatory" now to get a certificate. Which of the following statements are true, and which am I being fed a line on ?
1. I need radiator temp control valves on every radiator bar the hallway
2. I need radiator temp control valves on every bedroom only
3. My perfectly fine but "old style" hot water tank needs to be replaced (it's not lagged with the foam stuff from new, but is covered by two jackets, very thick)
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe (biggish job as it currently goes through the concrete floor)
5. None of the above
I've had two quotes so far, waiting for 2 more. For a 24kw system boiler (bosch, veissmann etc) for a 4 bed house, the quotes range from £1700 to £2700 !! Talk about a difference ... thing is I cannot make my mind up if Im either going to get a cowboy job, or ripped off !
3. My perfectly fine but "old style" hot water tank needs to be replaced (it's not lagged with the foam stuff from new, but is covered by two jackets, very thick) - if it is the insulation, then replace it and not the tank 
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe - depends why it needs to be replaced, if it is "mandatory" then a reason needs to be given
I've had two quotes so far, waiting for 2 more. For a 24kw system boiler (bosch, veissmann etc) for a 4 bed house, the quotes range from £1700 to £2700 !! Talk about a difference ... thing is I cannot make my mind up if Im either going to get a cowboy job, or ripped off
Got 4 quotes and ended up getting a non corgi registered friend to do the work, the corgi guy only needed for the boiler connections and the like - changed from gas heaters that smelled funny and a storage brick to under floor pipes to wall mounted radiators, some of the quotes were for wall mounted pipes as well....
think it was british gas and some trading standard's approved contractors
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe - depends why it needs to be replaced, if it is "mandatory" then a reason needs to be given
I've had two quotes so far, waiting for 2 more. For a 24kw system boiler (bosch, veissmann etc) for a 4 bed house, the quotes range from £1700 to £2700 !! Talk about a difference ... thing is I cannot make my mind up if Im either going to get a cowboy job, or ripped off
Got 4 quotes and ended up getting a non corgi registered friend to do the work, the corgi guy only needed for the boiler connections and the like - changed from gas heaters that smelled funny and a storage brick to under floor pipes to wall mounted radiators, some of the quotes were for wall mounted pipes as well....
think it was british gas and some trading standard's approved contractors
Providing you intend having the boiler 'notified' (and the knock-on is that if you don't it might cause problems with the HIPS bulls
t if and when you sell) you WILL need the system to comply with Part 'L' which does mean TRVs everwhere but the space where the Room Thermostat is sited. I can't, off hand, think that anyone can hold you to a new cylinder though.
Edited to add:
CORGI stipulate 22mm to one metre from the boiler, but this is an arbitary figure since the pipe should be sized to enable you to get 20mB at the boiler inlet (<1mB drop from the meter). If the gas can be proved adequate at the inlet then it doesn't need to be bigger, but CORGI would argue it out.......
Depends on the distance from the meter, number of bends, horizontal or vertical pipework (vertical is considered 'no resistance' for calculations) and other appliances obviously.
t if and when you sell) you WILL need the system to comply with Part 'L' which does mean TRVs everwhere but the space where the Room Thermostat is sited. I can't, off hand, think that anyone can hold you to a new cylinder though.Edited to add:
CORGI stipulate 22mm to one metre from the boiler, but this is an arbitary figure since the pipe should be sized to enable you to get 20mB at the boiler inlet (<1mB drop from the meter). If the gas can be proved adequate at the inlet then it doesn't need to be bigger, but CORGI would argue it out.......
Depends on the distance from the meter, number of bends, horizontal or vertical pipework (vertical is considered 'no resistance' for calculations) and other appliances obviously.
Edited by Ferg on Saturday 4th October 15:06
i always have 22mm from meter to boiler ,
also fit thermastatic valves on each rad as makes easer for balencing .
you wont need to replace your hot water tank as if you go with combi you shant need it.
what do you requite it to run , electric shower, how many rads etc
i genrealy fit combi systems for £1500-2000 with all new valvs, rads boiler all comishioned etc , all depends on what work actualy needs to be carried out .
moving a gas pipe thats in a realy tricky place can bump the price up a fair bit , basicly some plumbers see it as a problem some see it as a big problem .
just make sure you ask to see there card and licence number as there is so many pepole claimning to be registerd that are not , some are forign
also fit thermastatic valves on each rad as makes easer for balencing .
you wont need to replace your hot water tank as if you go with combi you shant need it.
what do you requite it to run , electric shower, how many rads etc
i genrealy fit combi systems for £1500-2000 with all new valvs, rads boiler all comishioned etc , all depends on what work actualy needs to be carried out .
moving a gas pipe thats in a realy tricky place can bump the price up a fair bit , basicly some plumbers see it as a problem some see it as a big problem .
just make sure you ask to see there card and licence number as there is so many pepole claimning to be registerd that are not , some are forign
While there are a few CH experts knocking about, how easy it it to replace my standard Potterton Boiler controller which has a once, twice or on function for either the CH or HW with one that can turn the bolier on and off as per the temp set?
At the moment the controller is a Potterton EP2000.
It is as easy as wiring a electronic thermostadt inline with the existing controller and boiler or just replace the existing one that controls the boiler and the pump?
Cheers
Alex
At the moment the controller is a Potterton EP2000.
It is as easy as wiring a electronic thermostadt inline with the existing controller and boiler or just replace the existing one that controls the boiler and the pump?
Cheers
Alex
If you are happy with keeping your tank (rather than the combi route which fires up every time you touch a hot tap) as I was, then a Worcester Bosch regular boiler is fine. Mine is in its third year and no probs at all.
Also recommend Honeywell controls, both for the TRV's and the programmer.
Also recommend Honeywell controls, both for the TRV's and the programmer.
i prefer the old system rather than a combi imo , i just keep it well maintained turn it on now and again in summer to keep things from seezing up .
its been fine for last 7yrs only needing new ignitor but pretty much trouble free , i fit combi boilers every week and still prefer the old setup ,
combi is just easy to install but more stuff to go wrong in my opinion , pcb tends to go on a lot of moden systems
its been fine for last 7yrs only needing new ignitor but pretty much trouble free , i fit combi boilers every week and still prefer the old setup ,
combi is just easy to install but more stuff to go wrong in my opinion , pcb tends to go on a lot of moden systems
1. I need radiator temp control valves on every radiator bar the hallway
Not a requirement but makes sense
2. I need radiator temp control valves on every bedroom only
That is the minimum requirement to meet building regs on a new boiler install
3. My perfectly fine but "old style" hot water tank needs to be replaced (it's not lagged with the foam stuff from new, but is covered by two jackets, very thick)
Not neccesary
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe (biggish job as it currently goes through the concrete floor)
Quite possibly true. A lot of modern boilers require a 22mm feed
I'd have thought for a straight boiler change to a Bosch or similar you should be looking at about £2k. If you are going from a traditional system to a combi (a few pipework changes required) you should be about £2.5k
Not a requirement but makes sense
2. I need radiator temp control valves on every bedroom only
That is the minimum requirement to meet building regs on a new boiler install
3. My perfectly fine but "old style" hot water tank needs to be replaced (it's not lagged with the foam stuff from new, but is covered by two jackets, very thick)
Not neccesary
4. The 15mm gas pipe from the meter needs to be replaced with 22mm pipe (biggish job as it currently goes through the concrete floor)
Quite possibly true. A lot of modern boilers require a 22mm feed
I'd have thought for a straight boiler change to a Bosch or similar you should be looking at about £2k. If you are going from a traditional system to a combi (a few pipework changes required) you should be about £2.5k
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