No idea how I've been bunging systems and cutting pipes for the last 15 years then?
Last week I changed a trv on the ground floor of a three storey town house and the water didn't come rushing out.
Maybe I'm a Jedi? Maybe it's physics.
Get a straw, put it in a pint of water, put your thumb...
It's all down to marketing.
A few years ago Vaillant and Worsc boilers were quality products that had great build quality. The modern day boilers they are producing now are poor reflections on their previous models with a lot of plastic inside and aluminium heat exchanges, however due to...
Pretty much.
The only other step I make is when you've done all the rads, open the drain on the magnacleanse, close one of the valves on the magnaclean fitting to force the mains water from the filling loop back through each radiator in turn. You'll know it's working when that rad goes cold...
Sometimes the Glowworms can get noisy after a couple of months (trust me I've fitted 100's) it's a simple fix for a boiler engineer.
The thing will be under guarantee anyway.
Ted
You need to lower the KW rating on the boiler. It is all in the instructions which hopefully you have or they are available online from Glowworm.
I would suggest start at 10kw and see how that goes.
Ted