Recent content by MarkT22

Spoke to Vaillant and they reckon it's part number 078258. It's 400mm width, 540mm height. 56mm diameter viewing window. Hooks over the top of the chamber, and secured by three screws, halfway along the left side, right side, and the bottom. The bottom screw has been tightened quite a lot...

Hello, We've been having a grand time with our boiler over the last few days, most of it sorted now, but for one thing. The panel on the front of the combustion chamber is bent, and the seals aren't doing a great job. There's some whistling, and we've had a couple of *loud* explosive...