BSA Hotspur Oil Burner Help required.

[joe90bentley]

Time for probably a silly question.
I currently have a Hotspur oil burner which i know needs replaced but funds are low . The thermostat has gone (i think) the burner runs about 25 to 30 times an hour , and I have to turn the thermostat down or the boiler sounds like a kettle that is just about to stop boiling. I was wondering is it possible to connect a Cylinder Thermostat to the return pipe to boiler and connect it instead of the thermo. I will try and attach pictures of the thermo etc they are in my photo album.
Any help would be great including a wiring diagram for the inside of the boiler etc!!

Many thanks in advance

Jonathan

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• joe90bentley
• 2 Mar 2014
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• joe90bentley
• 2 Mar 2014
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• joe90bentley
• 2 Mar 2014
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[xr4x4]

Unlikely, it will be in the heat exchanger.

 

[joe90bentley]

Sorry dont understand ure answer

 

[Norcon]

These things are ancient I believe.

Whats a "thermo"?

 

[xr4x4]

The thermostat on the boiler is in the heat exchanger, which will accurately control the temperature of the water in the system/boiler.

I don't know but.......I wouldn't of thought an external one would suffice.

 

[Richardthe3rd]

That's an old one Joe, we were fitting these in the early 70s when I started my time. Regardless, the thermostat pocket maybe standard 1/2" BSP or a standard size that a thermostat will fit into.

Post up a photo & we'll see what we think.....

 

[Agile]

Sounds more like a system flow problem!

Tony

 

[joe90bentley]

To all, many thanks for replies so far. My pics are in this photoalbum (not sure why they are not showing)
[/url]//www.diynot.com/network/joe90bentley/albums/ If I am thinking this the right...][/GALLERY] [GALLERY=media, 74024][/GALLERY]

 

[Richardthe3rd]

I'd like to think you could get a new boiler thermostat, but the important thing is to establish what size & where the sensor for the stat is?
Photo of that would help.
HTH

 

[oilhead]

If you follow the capillary from behind the knob in your left hand picture, it will lead to the thermostat pocket from which you can withdraw the phial. If you measure this, diameter and length, you should be able to find an alternative at a stockists.
Alternatively, a clamp on thermostat on the FLOW pipe needs only to pick up the two wires attached to the thermostat which is the unit with the knob on in your left hand picture.

 

[joe90bentley]

hi quick update with pics - i hope this is what u all are talking about. Again thanks for all help

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• joe90bentley
• 5 Mar 2014
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• joe90bentley
• 5 Mar 2014
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• joe90bentley
• 5 Mar 2014
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[oilhead]

That's the beastie!!!!!

 

[joe90bentley]

further update -
getting a cylinder thermostat fitted this week - will update how it goes in case other people need info

To all who replied many thanks

 

[Richardthe3rd]

It looks like a fairly standard thermostat pocket? Why bother with a cylinder thermostat, which will be calibrated for lower temperatures.
What about a capillary thermostat, shown here half way down the page;
http://www.bes.co.uk/products/110a.asp
Just a thought.