Further to some advice I got here recently, I want to change the wax capsule on my Potterton Puma 80e.
Referring to image here: http://www.diynot.com/network/TomWoodgate/albums/4301/17223
do I need to change the entire wax capsule assembly, or is it somehow possible to change the wax...
I've been having some problems with my Potterton Puma 80e boiler, and was hoping some of you might be able to help.
The symptoms are as follows:
1. sometimes when I switch the central heating on the boiler fires up for about thirty seconds, then switches off. It then does nothing for about...