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worcester compact si25

View the thread, titled "worcester compact si25" which is posted in UK Plumbers Forums on UK Plumbers Forums.

ambrosia

Plumbers Arms member
Plumber
Gas Engineer
have anyone installed the new worcester compact boilers, put my 1st one in today and i'd be interested to hear others peoples thoughts on them

I needed a as small as possible combi for a awkward install so my hand was forced, and considering the price I was expected to be impressed. In practise however i found the opposite, at one point i started shouting at it 'youre a ridiculous boiler,' its so over complicated.


The case is a disaster, it has these quick release clips under the pcb which broke and jammed open and whats the point of quick release clips when you also i have to take out screws. then the case refused to go back on properly

spent ages taking off the plastic casing surrounding pcb as the screws are tighter than any other screws i've ever come across only to find you wire it from underneath where I had no space

the expansion vessel has to be fitted, doesnt come installed. Once in you have to get your hand round the back to fit the clip. that and the wiring was the most frustrating thing, WHATS THE POINT IN BUYING THE SMALLEST BOILER YOU CAN FIND ONLY TO REALISE IT REQUIRES SUCH AN UNREASONABLY LARGE SPACE AROUND THE BOILER

also it comes with a bracket which attaches to the wall and holds the pipework, the bracket and boiler are impossible to put together and line up on your own and unfortunately i was alone

sorry worcester no stars out of ten from me, a ridiculous boiler. unless forced I wont be fitting one again


i'd be interested to hear others thoughts, is it just me who couldn't get this boiler
 
I cursed the compact on my 1st install, it can be fiddily, but iv sussed out the awful green clips, tricky case, procedure for expansion, awkward prv, razor sharp jig, near impossible flexi flue bracket & now I don't mind it too much 😉
 
Just quoted for one of these, as customers previous engineer in London recommended it, but said I would prefer putting in an Ideal Logic. Fortunately she has taken my advice.
 
but iv sussed out the awful green clips, tricky case
do a youtube video, youll get shed loads of interest

now I don't mind it too much
is it worth the high price, doesnt even come with a filling loop or pre-bent copper pipes
 
Last edited:
I put this up on thread other month , my gripe was that the amount of screws to take out on something to fit !! Why take about a dozen screws out especially in places where they could drop down behind kitchen units etc etc.
The drop down service panel jammed as well along with flue retaining clip snapping very easily.

Bumped into local wozzie engineers and they have confirmed my thoughts and yours ,,,,,,they are a shed of a boiler
 
I'm sorry but that's a load of **** take

The only way the clips will break / come off the runner is if you undo the quick release mech and let the front panel drop and pop out of the runner easy and simple to put back in if it happens

Didn't you read the manual as it clearly written in there how to wire it l, also you do know you need a min of 100 mm below any boiler gas safe rules so you would be able to unscrew the panel

The clip / retaining pin is not supposed to be removed open / pull out until it locks and doesn't move hang boiler, one screw on expansion vessel and drop into hole , even has a guiding cone and push the clip either with a bit of wood or needle nose pliers done

And what you can't lift and clip / let it drop onto the frame it's easy it's not hard the width of the jig is the same as the boiler and just lift it 25mm higher

Sounds like you and a few others need to go onto a Worcester training day
 
I'm sorry but that's a load of **** take

The only way the clips will break / come off the runner is if you undo the quick release mech and let the front panel drop and pop out of the runner easy and simple to put back in if it happens

Didn't you read the manual as it clearly written in there how to wire it l, also you do know you need a min of 100 mm below any boiler gas safe rules so you would be able to unscrew the panel

The clip / retaining pin is not supposed to be removed open / pull out until it locks and doesn't move hang boiler, one screw on expansion vessel and drop into hole , even has a guiding cone and push the clip either with a bit of wood or needle nose pliers done

And what you can't lift and clip / let it drop onto the frame it's easy it's not hard the width of the jig is the same as the boiler and just lift it 25mm higher

Sounds like you and a few others need to go onto a Worcester training day

Always one die hard :smile5:
 
I'm sorry but that's a load of **** take

The only way the clips will break / come off the runner is if you undo the quick release mech and let the front panel drop and pop out of the runner easy and simple to put back in if it happens

Didn't you read the manual as it clearly written in there how to wire it l, also you do know you need a min of 100 mm below any boiler gas safe rules so you would be able to unscrew the panel

The clip / retaining pin is not supposed to be removed open / pull out until it locks and doesn't move hang boiler, one screw on expansion vessel and drop into hole , even has a guiding cone and push the clip either with a bit of wood or needle nose pliers done

And what you can't lift and clip / let it drop onto the frame it's easy it's not hard the width of the jig is the same as the boiler and just lift it 25mm higher

Sounds like you and a few others need to go onto a Worcester training day
Training day? Seriously ?
 
Worked on loads shaun,yes reading the destructions helps but the design is pants

Problem is everyone wants / everything is getting smaller so it's getting harder for us engys to replace things as nothing is ever thought out for us (space wise) but there are a few handy tips and just think about things first 🙂
 
Problem is everyone wants / everything is getting smaller so it's getting harder for us engys to replace things as nothing is ever thought out for us (space wise) but there are a few handy tips and just think about things first 🙂

True,Baxi just launched a cupboard fit boiler,think its cack though
 
Problem is everyone wants / everything is getting smaller so it's getting harder for us engys to replace things as nothing is ever thought out for us (space wise) but there are a few handy tips and just think about things first 🙂

Worcester dimensions 680x390x280
Ideal logic dimensions 700x395x278

I know which one I'd rather fit!
 
Fitted loads and I don't like them, One last week the guy supplied as he worked for siemens(who own Worcester)

Not looking forward to repairing them in the future either!
 
All we fit is Worcester and Ideal, and a lot more swearing and head shaking gets done at the Worcesters. Try and avoid their Compact range altogether, the original post is pretty accurate I'd say. Ideal have nailed it with the compact boiler design, although I'm not too keen on the new models wiring connections. WB Compacts are way too crammed in, its like the components just fit and no more, pretty much everythings fiddly on them. Plus I've been on the training days they have, an ex engineer showed us how easy it was to take everything apart (on a dry jig, where everything is already loose!) Flue install is another poor design area, we've sometimes had the screws not catching right and bending the small clip inside the boiler, and the back screw can sometimes be tricky to get too. Ideal boilers, cut flue... put in place... easily install clip and screw... seal up... done...

Nothing thats too hard to do on Worcesters, its just a whole lot easier on other boilers.
 
All we fit is Worcester and Ideal, and a lot more swearing and head shaking gets done at the Worcesters. Try and avoid their Compact range altogether, the original post is pretty accurate I'd say. Ideal have nailed it with the compact boiler design, although I'm not too keen on the new models wiring connections. WB Compacts are way too crammed in, its like the components just fit and no more, pretty much everythings fiddly on them. Plus I've been on the training days they have, an ex engineer showed us how easy it was to take everything apart (on a dry jig, where everything is already loose!) Flue install is another poor design area, we've sometimes had the screws not catching right and bending the small clip inside the boiler, and the back screw can sometimes be tricky to get too. Ideal boilers, cut flue... put in place... easily install clip and screw... seal up... done...

Nothing thats too hard to do on Worcesters, its just a whole lot easier on other boilers.

Very true
 
Used to fit loads of Worcesters, won't go near them anymore when installing. Service and repair lots and that's it! Wil never understand why they persist on making the worst/complicated boiler cases ever and insist the PRV must be buried at the back of the boiler...awful but they keep me busy!
 
Yes Siemens do own worcester I Was surprised myself, he got the boiler at wholesale price, he does electronics for Siemens in the railways

He said you would be surprised how many companies Siemens own
 
compact is the most awkward in the range! but to be fair its small and very shallow so has it good points!

Lets all be honest, Worcester decimate ideals! I cant believe anybody can even risk fitting ideals under there own company after the icos/isar range!

Logics fail for fun! heat cells leaking down the condensate, diverters failing, and hoop customer service! fit them at your peril!

I would never fit a brand that is so widely flamed by customers all over the net!

Your customer googles there boiler and finds all the bad comments on them!

At least if they search Worcester, vaillant and even baxi they get decent write ups.
 
Agreed would still fit one over an ideal all day long. Don't come across the CDI range too often these days but the greenstar i and si's - Always changing vessels, left hand blocks, flow adaptors etc. Finding more heat cells (kebab) gone too over the past 18 months or so. When you think how much extra they charge for them...not worth it in my opinion. Still service/repair the old standard efficiency junior's...cracking little boiler...with a trrrible case!
 
Worcester, Bosch Group (commonly referred to as Worcester or Worcester-Bosch) is a United Kingdom based domestic heating and hot water products manufacturer.[1]

The company was founded in 1962 by Cecil Duckworth as Worcester Engineering Co Ltd in Worcester, England. After changing its name to Worcester Heat Systems Ltd, in 1992 the company was acquired by Robert Bosch GmbH, adopting the new name of Worcester, Bosch Group.
 

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