I believe mine is the older r12 gas as it has the screw on connections, now i know there's replacement gases that can do the job but does anyone know of a national firm or one down cornwall that can handle this.

Soon as you steer away from r134a most don't want to know.....

 

Sorted, local chap can do it with rs24 isecon gas the downside being it's double the price.

But he is acrib certified so it will be a top job.