It's important to figure out what type of headache is causing your pain. If you know your headache type, you can treat it correctly. In one 2004 study, 80% of people who had a recent history of self-described or doctor-diagnosed sinus headache, but no signs of sinus infection, actually met the criteria for migraine.
Different types of boilers and boiler brands. The boiler market in the UK is dominated by one particular type of boiler: the condensing boiler. However, there are different types of condensing boiler, including combi-boilers, heat-only and system boilers. Popular brands producing combi-boilers include Baxi and Glow Worm (both Baxi heating boilers and Glow Worm boilers are British made).
Domestic heating by gas: boiler systems â guidance for installers and specifiers (2008 edition) 53 Appendix B â Definitions of boiler types B1.1 Boiler A gas or liquid fuelled appliance designed to provide hot water for space heating. It may (but need not) be designed to provide domestic hot water as well.omestic heating by gas: boiler systems â guidance for installers and specifiers (2008 edition) 15 Systems and components 4.2 Domestic hot water The main issues to be considered regarding domestic hot water are: â¢ The number of people in the dwelling.