Switching relays and indicators are commonly used devices for HVAC applications. They are used to switch light current loads, ranging from fan motors to damper controls. A relay is a device that acts as a remotely controlled switch. Ensure increased safety and prevent electrical hazards with switching relays and indicators. DK Hardware offers a variety of safety solutions for a protected space. The Emerson 2-Pole Relay is used in vending machines, appliances, heating and air conditioning applications, and general-purpose switching. The Taco Hydronic Switching Relay replaces every brand made by every manufacturer. The single-zone switching relays are compatible with conventional and programmable thermostats
