Resideo R8222B1067 SPDT Switching Relay 24V

The Resideo R8222B1067 is a compact (around 0.46lbs) and versatile Single Pole Single Throw (SPST) switching relay designed for use in various HVAC and appliance applications. An SPST relay acts like a simple switch controlled by electricity. Here's how it works: Coil Activation: When a 24-volt electrical signal is applied to the coil, it generates a magnetic field. Switching Mechanism: The magnetic field triggers a switch mechanism within the relay, changing the state of the circuit connected to its output terminals. In essence, it acts like a switch that flips electronically. Wide Compatibility: The 50/60 Hz frequency compatibility ensures it works with most electrical grids. These relays are commonly found in HVAC equipment, like furnaces and air conditioners, to control various functions based on system demands. For example, they might activate components like condenser fans, relays for compressors, or control safety shut-off features. The Resideo R8222B1067's ability to handle a load of up to 3/4 horsepower makes it suitable for various applications. Benefits of using this relay include its compact size, ease of installation, and reliable switching for controlling various components within HVAC systems.