King Electric KB ECO2S+ 2-Stage Unit Heater with Remote Sensor and Fuse Block, 15000 Watt, 1 Ph, 208/240 Volt BTU Rating:34,100 BTU Techline™ HCVXR-RW and RWP combine

Techline™ HCVXR-RW and RWP combine superior root intrusion protection

while promoting thicker

Beautiful Small Black Lava Rock looks like small/medium perlite and is much better

Connect tubing with barbed fittings as shown

King Electric KB ECO2S+ 2-Stage Unit Heater with Remote Sensor and Fuse Block, 15000 Watt, 1 Ph, 208/240 Volt BTU Rating:34,100 BTU Techline™ HCVXR-RW and RWP combine2 Stage Electronic Unit Heater with Remote Sensor KB ECO2S+ series unit heaters offer unparalleled performance, energy efficiency and user control by incorporating another King innovation, the in built ECO2S+ electronic thermostat with remote control. Offering energy efficient 2 stage heating, with Eco mode that automatically uses the lowest wattage needed to heat the room, integrated fan only and timer modes, as well as a remote control for simple