Fuel Leak on Riello RDB1 50/70 SH Burner

13 Dec 2012
Reaction score
United Kingdom
Kerosene has recently started leaking out of my RDB1 50/70 SH Burner.

Closer examination shows it is seeping from the stem valve (which the solenoid fits over) on the fuel pump. I've made sure the stem value to tightly screwed in but the fuel is still seeping out. Would the best course of action to be replace the stem valve or might it just need the o-ring replacing where the stem value screws into the fuel pump.

Any advice would be much appreciated.


Sponsored Links
Have a look at www.heating-parts.co.uk
The part number for the complete valve needle is 261851.
As far as I know, the 'o' rings aren't available seperately but perhaps a universal one will do.....that will withstand kerosene of course!
You could try a good few wraps of ptfe tape if you are in a jam.
John :)
Hi John,

Many thanks for the reply. I've had a look on the site you mention but couldn't find 261851 listed. Did you mean 271851, it certainly looks like the correct part.


Sponsored Links

DIYnot Local

Staff member

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