Why would you get up and go to your boiler to adjust it when you can do everything on your sofa by pulling your phone out of your pocket?
No its not.Drilling two small holes is quicker than one big hole in most instances.
But backup controls don't need to be fancy touch screen jobsWhat happens when the comms between phone and the boiler stop working ? Back up controls on the appliance are essential.
No it isn'tDrilling two small holes is quicker than one big hole in most instances.
No you don't, you need half the number of big holes if you've got one big flue instead of two small ones you muppetYou need to drill more big holes.
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