Eurofase Heating Electrical Control Boxes, Simplify the management of your heaters and comfort zones. Contactor Box, Compatible with all Eurofase Heaters. Pair with a single paddle on/off switch or timer for a single zone. Integrates with 120V or 277V controls, including timers, thermostats, motion sensors, or smart switches. Universal Relay Control Box, manage multiple heaters and create up to 4 zones. Ideal for commercial spaces, allowing precise temperature control. Integrates with 240V to 480V controls and multiple Eurofase switches or timers.