Wiring up Drayton Programmer LP522 with Mains, Boiler, Pump and Valve?
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John Brown59
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Wiring up Drayton Programmer LP522 with Mains, Boiler, Pump and Valve?

by John Brown59 » Thu Oct 08, 2015 1:36 pm

How do I wire up this programmer when I have a mains connection to it and also a connection from the boiler, pump and valve?