Reviewed by 1 customer
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Comments about 5 Zone Valve Relay w/ 75VA:
The Argo zone valve controller is a simple solution to provide zone valve, zone pump and burner on/off control all in one box. It comes with the transformer needed for low voltage thermostats. The only thing to think about is if you have a controller on your boiler (like a hydrostat) then you will lose the functionality of the hydrostat when you opt for the argo. It is not a big deal but there are economizer options on the hydrostat controller that you won't be able to use. All that being said, Argo zone valve controller is simple to install and works great.