Recent content by Underfloor Guy

Have you thought about insulation between the joists and then spreader plates on top of the joists in direct connection with the underside of the floor boards? Not as efficient as pipes in screed but a possible solution, I would also recommend a different blending/pumpo assembly for each...

As has been said earlier; thermostats & controller will control when pump & boiler runs, boiler will fire burner as required based on temperature differential of flow/return, injector/blender will "draw off" hot water from the boiler circuit. So even if the boiler is running it may only be the...

Did you ever get this sorted, it is a common problem that they are not installed properly. DO NOT link out the timer output this is a digital output and will not work. The first thing to check is that the channels are full from the left hand side with no gaps between then actuator outputs.