findlay6666
DIY
Anyone tell me where to connect the two wires that switch the boiler on via the programmer and the 2 wires that call for heat on the ufh control board. Boiler is a grant vortex pro 21 external oil combi condensing. Many thanks.
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Discuss Boiler call connections in the UK Electrical Forum area at ElectriciansForums.net
I cannot give the answer. that said if you google it and download the PDF it may give you the answer.Anyone tell me where to connect the two wires that switch the boiler on via the programmer and the 2 wires that call for heat on the ufh control board. Boiler is a grant vortex pro 21 external oil combi condensing. Many thanks.
Reply to Boiler call connections in the UK Electrical Forum area at ElectriciansForums.net