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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

nest 24v relay

  1. AlexBC

    Thermostat Relay makes a loud buzzing noise when Nest thermostat opens up connection

    I have a question about why my 24v Thermostat Relay keeps on BUZZING like crazy when Nest thermostat TURNS the system on (Relay Closed), the older thermostat sometimes causes a milder buzzing, but NOT at all to this extent! This is the relay...

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