Help with a parts problem

I bought a seconhand calor gas fire from a link on AI some time ago. Discovered that the linking mechanism was incomplete just recently and too embarrased to go back to the seller after all this time. So, does anyone have a SUNCAT (SUN41R) fire, made by Mepamsa in Spain which I could look at to see what connections I need. I have tried their website but they do not seem to do fires any longer. Any help or advice would be helpful.