Hot Water Heating Systems, Closed Cooling Circuits, Air Conditioning Systems, Hydronic Heating and Cooling, Water/Glycol concentrations up to 50%, Solar / Geothermal
Includes
External Indicator Light, Switchable Priority, Simplified Wiring, Fully Enclosed Snap-Out Relay, Isolated End Switch, Fuse Protected, 100% Factory Tested, Plug-in PowerPort Card Slot, Add-on Power Control Plug