24VAC Wall Adapter Power Supply (2 Amps)

You only need one 24VAC per HUG Hydronics tank. This is for smart thermostats. 

This is a convenient power source for thermostats that require 24VAC (most smart thermostats, this will power it through the HUG Hydronics in-floor heating unit). With 2000mA current capability, this can also handle driving relays. Offered here conveniently for your HUG Hydronics in-floor heating system Installation. Installation instructions are provided with the HUG Hydronics units. 

A screwdriver is needed for installation.

Light indicates it is getting power. 

Plugs into a standard outlet.