Sacroiliac joints. Sacroiliac joints The sacroiliac joints link your pelvis and lower spine. They're made up of the sacrum â the bony structure above your tailbone and below your lower vertebrae â and the top part (ilium) of your pelvis. There are sacroiliac joints in both the right and left sides of your lower back.
Combi boiler are installed often by the British Gas company and the average price they charge to install the boiler into a customers home is an average of about 2900 Euros.
Considering I'm loking for a new boiler at the moment I can only say that my experience over the last 20 years with a combi doesn't compare with what you say. I had my boiler servced every two years, in the beginning it was about Â£20 my last one, last year, was Â£70.