When I first went on my own about 12 year ago I got one straight away.
Never had my gas, knew nothing about boilers. Still don't.
Anyway, they were a nightmare. Like he said and probably more so pre internet, customer thought they would cure all. For the money, who can blame them. When I did them,they caused more bother! I hate them
The first 2 out of 3 I did, I didn't get paid. I think I knackered a pump on the first one which in turn blew a fuse on the boiler. The pump was ancient - I think I was charging about 200quidI reckon BG were charging 700-800. How much now??
The next one I spent all day flushing the system and one or two rads wouldn't get hot. The rads were piped in 6mm? So I should have known it wasn't going to work. I had no experience of heating.I only asked for payment on the chemicals. I ended up selling the pump after about 5years.
Bought another off Ray last year, used it once and I want rid again!
A customers boiler man reckoned her Biasi wouldn't work cause it needed a flush. After 1-2days I gave up. Boiler was faulty.....
Can anyone remember the national Powerflush company that used to advertise a lot using an elephant logo?! Red elephant I think. I wonder if theyre still going. I think they advertised in the plumbers mag, think it was a franchise