D D DIYnotBot 15 Apr 2012 This image is referenced in the forum thread 'Sime halstead Trio boiler with no pilot light and no HW CH'
This image is referenced in the forum thread 'Sime halstead Trio boiler with no pilot light and no HW CH'
D D DIYnotBot 10 Oct 2012 This image is referenced in the forum thread 'Megaflow Unvented Mains water heater - no pressure'