Pump change on a Ideal Icos HE24 Boiler.

zola1 · 23 Dec 2009

hi,

I have a noisy pump to change..(the noise is from the electrical end of the pump !!!)...its a 4yr system..seems a bit of early failure to me.

Had the covers to to see what is involved, its not the conventional 2 flange traditional type pump i have changed in the past, so i could do with a bit of advice on this ..

Has anybody took this job on ? any thoughts tips etc.

(i am unsure how to post pics can anyone please advise)

regards

derrick

gassafeman · 23 Dec 2009

change the head.

zola1 · 23 Dec 2009

hi,

thanks for the quick reply, do you mean split the new pump assy at the 4 off allen headed screws and just change the elec section ??

is it possible to do this without disturbing the impellor water section, ie draining the water from the boiler ......is it a spindle that comes away from the impellor section...through a seal ..i've ordered the pump doesn't arrive until tommrow so only have net pics to refer to and my pump thats still working at the mo

thanks for your help

derrick

StarTech70 · 23 Dec 2009

the Icos has a drain off underneath it nr the isolation valve, isolate the the flow & return and place a bucket or something similar underneath and undo the drain cock, the pressure should drop to zero. When undoing the the 4 allen keys for the pump, undo the bottom 2 first and slowly undo the top 2 gently wiggling the pump head so as to catch the remaining water left in the boiler. A grundfos Pump head should do the trick and don' t forget to isolate the incoming electrics to the boiler...

zola1 · 23 Dec 2009

StarTech70 said:
the Icos has a drain off underneath it nr the isolation valve, isolate the the flow & return and place a bucket or something similar underneath and undo the drain cock, the pressure should drop to zero. When undoing the the 4 allen keys for the pump, undo the bottom 2 first and slowly undo the top 2 gently wiggling the pump head so as to catch the remaining water left in the boiler. A grundfos Pump head should do the trick and don' t forget to isolate the incoming electrics to the boiler...

Thanks for advice spot on,

what are the most important specs, this is what the sticker on the existing pump says :- Ideal Class F-TF95 (i've no idea what this is ??) min-1=2200 (i've no idea what this is ? is it max rpm ? ) current draw =.38A (yep got that ) Wattage =86 (yep got that ). SYSTEM WILO.
Couple of part nos HB15/6-1H & 4508938

I'm thinking about stripping it out and taking down to a local plumbing supplier and matching it...........only drawback is its freezing here and the missus is cooking for a house of 10 !!!

great heads up though ...if you have any final advice on the specs that would really help

cheers

glasgowgas · 23 Dec 2009

http://www.bes.co.uk/products/105.asp#10807

this will let you look at it first

any major merchants will have em in stock

Agile · 23 Dec 2009

Take care!

There are several different impellers on the Wilo pumps which have been used on boilers over the last few years.

I am not sure the merchant will take kindly to you dismantling their stock pumps to measure/match the impellers.

If you can post the internal diameter of the impeller then I can suggest a pump model which is likely to suit.

Tony

zola1 · 24 Dec 2009

Agile said:
Take care!

There are several different impellers on the Wilo pumps which have been used on boilers over the last few years.

I am not sure the merchant will take kindly to you dismantling their stock pumps to measure/match the impellers.

If you can post the internal diameter of the impeller then I can suggest a pump model which is likely to suit.

Tony

Point taken on the taking new pumps apart, i wouldn't be asking to do that in plumber merchants round here they'd tear you up

When i strip it i'll vernier the id and seek your advice, probably be between xmas and new year though.....found a few on flea bay might be worth a punt ?? the pt nos match my pump but i'm not sure a s you mention different impellors??

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120456705134&ssPageName=STRK:MEWAX:IT

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=220530619315&ssPageName=STRK:MEWAX:IT

cheers

cheers

ChrisR · 24 Dec 2009

A grundfos pump head will NOT fit, unless the whole pump has been changed to a grundfos already.

Agile · 24 Dec 2009

Those Ebay items are Ideal badged Wilo pumps and may well be the part which you need.

But they might still be available cheaper and off the shelf as a basic Wilo pump.

Tony

zola1 · 24 Dec 2009

cheers for advice guy's its much appreciated.

i spoke to the guy who is selling one of the pumps on ebay, he was a genuine guy who knew his stuff (asked about the impellor and the quality etc) got it for 60 pound all in. pleased with that as thats half price to the plumbcentre down here.

will let you know how the job goes (how do you put pics up please ?)

cheers

davo2010 · 27 Feb 2010

will a grundfos 1550 pump head fit on a ideal isar combi?? any help would be appreciated. thanx

zola1 · 28 Feb 2010

StarTech70 said:
the Icos has a drain off underneath it nr the isolation valve, isolate the the flow & return and place a bucket or something similar underneath and undo the drain cock, the pressure should drop to zero. When undoing the the 4 allen keys for the pump, undo the bottom 2 first and slowly undo the top 2 gently wiggling the pump head so as to catch the remaining water left in the boiler. A grundfos Pump head should do the trick and don' t forget to isolate the incoming electrics to the boiler...

Hi Guys,

Absolutely spot on, with the pump replacement procedure, it took about 2hrs all in, as mine is up in the eves of the roof and access to the drain cocks was a pain as there were no levers on them and the staging wood across the floor boards left me short on room, managed to get a short adjust able in there to do.it.Startech many thanks

About the Grundfos pump to isar boiler... i 'd wait for one of the specialist guy's to come on to answer that one. Have you tried googling the pump part no's to see if there are any on flea bay etc. ?

Hope this helps its the same one as i changed.

is this the pump ???

http://cgi.ebay.co.uk/Ideal-Isar-HE...temQQimsxq20100221?IMSfp=TL100221137003r29472

let me know if it is

cheers

derrick

petit_pablo · 28 Feb 2010

davo2010 said:
will a grundfos 1550 pump head fit on a ideal isar combi?? any help would be appreciated. thanx

in a word, no

diynot

If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

Select the supplier or trade you require, enter your location to begin your search.

Are you a trade or supplier? You can create your listing free at DIYnot Local

Pump change on a Ideal Icos HE24 Boiler.

gassafeman

Similar threads