Recent content by JoshW

The display on the boiler shows the flow temp of the boiler water, not the tap water. To output hot water at 50 degrees, the boiler will go higher than 50 especially at first when it has to heat up the heat exchanger surfaces. If you’re worried about achieving max efficiency you could turn down...

I wondered the same when I got new heating controls recently. It’s called TPI or chrono-proportional control. (http://danfossheating.ourpressoffice.com/2016/why-fit-chrono-proportional-controls/). It is more efficient and should provide better comfort levels. Presumably the downside is...

Ok, thanks. Maybe I just need to check the screw is loose. Will check when I get home this evening.

I have recently had a Spirovent and Spirotrap installed on my boiler. On the Spirovent (I think it is model number UA022W), the installer left a little plastic screw in the vent hole. However, I have been getting air collecting in one of the radiators and I’m wondering whether the screw is...