Horstmann 525 Programmable Controller Replacement

gww212j · 10 Nov 2008

I have a Horstmann 525 central heating/HW programmable controller that has seen better days and I would like to replace it. Is there an easy replacement option. i.e. one that I could clip directly on the the existing back plate without having to disconnect/reconnect any wires ?

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Horstmann 525 Programmable Controller Replacement

gww212j

DIYnot Local

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