Two boiler install:- PRV location. (Pictures)

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Two boiler install:- PRV location. (Pictures)

Discuss Two boiler install:- PRV location. (Pictures) in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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harrygashull

Gas Engineer
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Hi,
Iv been installing a two boiler system with tank etc, Im just at the point where the sealed system kit is going in tomorrow. Now the way iv designed it means that if certain isolation valves are turned off then the boilers will be cut off from the PRV.

Now at the back of my head is something telling me that I'm sure that the PRV should no matter what be in a position where it can't be isolated from the heat source (i.e. the two boilers)

The location for the system fill, expansion and prv is going to be the 15mm copper tube at the bottom left just above the skirting board.

Am I being mad or am I right to be concerned.

Id also appreciate any kind feedback as to the design of the system and any improvements you would make. (please be kind)

Thanks !

Pictures are here :-

https://www.************/MCSHeating/photos/pcb.1313937292012781/1313933075346536/?type=3&theater

Picture 2

https://www.************/MCSHeating/photos/pcb.1313937292012781/1313933078679869/?type=3&theater
 
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how did you get on today harry?
 
ShaunCorbs said:
how did you get on today harry?
Click to expand...

Not bad thanks Shaun - not as far as id have liked but hey ho...

managed to get most of it wired up.

condensate is done with the exception of a reducing bung.

expansion, prv and filling link are all in place but need connecting. (I followed your advice about the expansion and I think its paid off.

Tomorrow ill be finishing off the conduit and pipework and hopefully the flues.

Picture from today:

https://www.************/MCSHeating...088078497709/1315035975236246/?type=3&theater
 
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Looking good... I normally drill the flue holes first tho, gonna get it all covered in dust now :p
 
looks ok harry, need a bit of work on the wiring tho (clips) :) but thats me being picky :D
 
gassafe said:
Looking good... I normally drill the flue holes first tho, gonna get it all covered in dust now :p
Click to expand...

+1 and normally boilers in the way else, unless there going straight up
 
and you a 3rd year harry ????
 
Haha, I know with the dust... but I don't mind going around with a cloth and some brasso

Im hoping to get all of the wires into the adhesive conduit like I have done with some of it.. I ran out as I only ordered 1 length.. doh...

been doing this since I left school at 18, didn't fancy Uni so got a trade and haven't looked back! I'm 21 now.
 
Im going to run the pump live behind pipes and in conduit as i can forsee a towel being hung on it and getting a call to NO CH/HW as the pump has been un plugged...
 
harrygashull said:
Im going to run the pump live behind pipes and in conduit as i can forsee a towel being hung on it and getting a call to NO CH/HW as the pump has been un plugged...
Click to expand...

Wire going to be long enough and how did you like the pump plug :D
 
harrygashull said:
Iv done quite a few of the new pumps tbh, they seem to be copying the region 5 way connectors in a way.

solving a problem that never existed...
Click to expand...

Yep but can be a pain sometimes like the old grund not enough space in cable retainer
 
Tbh mate you have done very well you had any help ?
 
ShaunCorbs said:
Tbh mate you have done very well you had any help ?
Click to expand...


Thanks, not had any hands on help other than the kind advice on here.

Iv done a tonne of boiler swaps, my normal day to day is service and repair so I get to see good and bad installs of other people.

its been a nice change doing this.
 
Only 3 years in and you are producing work like that! Very nice. Fair play to you for doing such a nice job and also for asking advice where needed.

You, and whoever taught you should be proud.
 
Stigster said:
Only 3 years in and you are producing work like that! Very nice. Fair play to you for doing such a nice job and also for asking advice where needed.

You, and whoever taught you should be proud.
Click to expand...


Thanks, I was apprentice with one of the best guys in our area, and Iv been doing bits and bobs with my dad since I was about 7
 
Got the flues in today, took a while because of the old victorian crumbly walls...

Finished the conduit off and wired the permanent live in from switch fuse spare (which turned out to be faulty after an hour of testing...)


Tommorow Ill be finishing off! , got a lad coming to commision the unvented first thing so we can sign it off!
 
harrygashull said:
Got the flues in today, took a while because of the old victorian crumbly walls...

Finished the conduit off and wired the permanent live in from switch fuse spare (which turned out to be faulty after an hour of testing...)


Tommorow Ill be finishing off! , got a lad coming to commision the unvented first thing so we can sign it off!
Click to expand...

all lies unless you have pics :D
 
https://m.************/MCSHeating/p...5958911810619/?type=3&source=48&ref=bookmarks



https://m.************/MCSHeating/p...5962741810236/?type=3&source=48&ref=bookmarks
 
and why did you tape the joints? and are you using plume mag kits?
 
and own up who cored the holes first and didnt double check :D

also hope you got short probes on the fga
 
ShaunCorbs said:
and why did you tape the joints? and are you using plume mag kits?
Click to expand...

Yes two plume management kits, Im just in the habit of doing it for some reason, I have screwed them aswell but I just like the extra assurance that its held with tape aswell!

Of course it shouldnt go anywhere with the bracket but I can imagine things being hung from it..
 
ShaunCorbs said:
and own up who cored the holes first and didnt double check :D

also hope you got short probes on the fga
Click to expand...

The problem with the first core on the right was that the customer had fitted a bracket to support the lintel? But didnt tell me so i hit it bang on... Had to move over a couple of inches.

The second flue on the right was my cock up haha..
 
harrygashull said:
Yes two plume management kits, Im just in the habit of doing it for some reason, I have screwed them aswell but I just like the extra assurance that its held with tape aswell!

Of course it shouldnt go anywhere with the bracket but I can imagine things being hung from it..
Click to expand...

if you have screwed it and has brackets , it wont go any where mate , my opinion just makes the installation look meh as the kids would say (but dont try and remove it will make it worse) something for future tho
 
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harrygashull said:
The problem with the first core on the right was that the customer had fitted a bracket to support the lintel? But didnt tell me so i hit it bang on... Had to move over a couple of inches.

The second flue on the right was my cock up haha..
Click to expand...

well things happen least the boilers look like new and not covered in dust hats off to you for that
 
ShaunCorbs said:
if you have screwed it and has brackets , it wont go any where mate , my opinion just makes the installation look meh as the kids would say (but dont try and remove it will make it worse) something for future tho
Click to expand...

Never mind ;) at least i can sleep easy
 
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