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Jan 9, 2016
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This a story of my Tifell boiler here in spain , the boiler is 15 years old, never had problem in all that time.
We use about 300lt per year.
Once a year I take the front off and clean all the inside, it has had 3 nozzles in all the time.

In november I turned on the boiler, fired straight as normal, 2 hours later checked and it has gone out to lockout it seemed that the motor had gone, after taking the pump out and checked the motor was ok , the pump has seized.

Went and got a new SUNTEC oil pump and fitted it, the pump is on a two pipe system of 10mm copper, the bottom of the oil is tank s 1.5m below the boiler, the boiler is now firing.

3 hours later the boiler has locked out same thing pump sized.

Got the engineer in , his first words that's very old boiler, I went and left him,by the way this guy is english and comes recommended, after an hour it is all working.

2 hours later back to normal motor stopped, to get the pump to takes a couple of minutes with a spanner on the flat of the shaft.
Calls him back , walks through the and says it is too old to repair , here is a price for a new one 3860€
Tefell boiler are all connected fro the back with flexible, there no side tapping.

I now get a spanish engineer in , has a look and fetches a new pump from the van , fitted and working in 10 minutes, he hangs on for a hour just make sure it is ok after coffee and brandy.

After a couple of days it is back to square one seized.

A friend of mine who is a electrical engineer recons it the control box telling the solenoid to shut off with stopping the motor, fit control box works for 3 days , lockout pump seized.

I worked on boilers 30 ago when I ran a plumbing and heating company, never seen this fault before.

It run on gasoil,35sec.

Ok tell what could the problem be??

Richard:disguise:
 
Fairly obvious what it likely could be, - and I would also guess your boiler guys are not really up to the job.
Why you fitted a control box is bizarre.
Better you get another person in to look it over who is used to oil boilers
 
A retired plumber/heating engineer living the dream in spain after a long career in this business, struggling to find a decent local engineer . I say we help him out, if only to prove we are better than the spanish engineers🙂. We all could be his position one day!!

Clean out tank and filters
 
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well chaps thanks for your replies, part of my problem is trying to remember I stand there looking , so my wife tells
I gather it must be fuel, the tank is buried.
I will get a new tank fitted, when I find somebody to do it.
To SimonG , someday you will be old too.

Richard
 
As said, there could be a blockage in the 2 pipe arrangement in the filters.
There is also a device called a Tigerloop (Swedish made) which does away with a 2 pipe arrangement. That's if it is okay to use in Spain, but I would think it is fine.
Ask some oil engineer to advise.
 
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