Single Channel Controls are rated for 6kW maximum, Dual Channel controls are rated for 12 kW maximum. Both Single and Dual Channel options can control multiple heaters within their maximum capacity.
Examples:
A Single 6 kW On/Off Control is compatible with 2 Platinum 2300W Electric Heaters or a single Tungsten 6 kW.
A Dual 12 kW Dimmer Control is compatible with 2 Tungsten 6000W Electric Heaters.
A Single 6 kW On/Off Control is compatible with up to 10 Gas Heaters, operating as a single block.