A cost-effective control solution designed for dual-element Infratech heaters. With Duplex Stack Switches, you can choose to run both elements at 100% power, or just one element for half power. Ideal for CD-Series and WD-Series installations, these switches provide flexible control at an affordable price. Simple on/off operation for dual-element heaters Choose between full power (100%) or half power (50%) 20 amps per switch, up to 40 amps per stack (120-277 VAC) Low-cost alternative to advanced control systems Available in multiple mounting and housing options for indoor and outdoor use Options (Mounting & Location Use) In-Wall for Indoor or Protected Outdoor AreasSingle Duplex Flush, SS Wall Plate & Gang BoxDual Duplex Flush, SS Wall Plate & Gang Box Single Duplex Flush, SS Wall Plate & Gang Box Dual Duplex Flush, SS Wall Plate & Gang Box In-Wall for Exposed Outdoor AreasSingle Duplex Flush w/ Weatherproof CoverDual Duplex Flush w/ Weatherproof Cover Single Duplex Flush w/ Weatherproof Cover Dual Duplex Flush w/ Weatherproof Cover Surface Mount for Exposed Outdoor AreasSingle Duplex Surface Mount, Weatherproof Box & CoverDual Duplex Surface Mount, Weatherproof Box & Cover Single Duplex Surface Mount, Weatherproof Box & Cover Dual Duplex Surface Mount, Weatherproof Box & Cover