What Is a Non Condensing Combi Boiler?

A non-condensing boiler has a single heat exchanger chamber, where the hot gases from the burner, pass through to heat the water within the walls of that exchanger, before reaching the exit flue. ... This range is as close as you can get to a condensing boiler and has a new ERP rating at Seasonal Efficiency of up to 87%.

What is the difference between a condensing boiler and a non condensing boiler?

Whereas non-condensing designs, often known as open vent boilers, typically take in air from inside the room, condensing boilers are completely sealed for heat insulation and they take their air from the outside. This means there is a lower risk of anything being sucked into condensing boilers.

Can you still fit non condensing boilers?

If the points scored are over 1000 then it is acceptable to fit a non condensing boiler. ... If the installation of a Condensing boiler leads to having to overcome other consequential work which needs to be undertaken and the cost of this work is considered to be too high, then a Non Condensing boiler can be fitted.