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Replacement Zone Valve
I am replacing a CH Zone (2 port) valve.
New Valve (Horstmann) Blue = Neutral, Brown = "Call" terminal of room stat, Orange = Live terminal pump & boiler, Grey = Live Supply, Green = Earth Old Valve (Tower Heating Components) Blue = Mains neutral, Brown = Mains Live, Green = Earth, Grey = ES? and appears to be the common of a switch, White is another connection on the switch, and orange is the other connection on the switch Wires are very difficult to trace and colours vary. Can anyone help with what should connect to what please. Thanks Jim |
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#2
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Replacement Zone Valve
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Linear Mode
