Briidea Three Zone Switching Relay for Zone Temperature Control, Compatible with Hydraulic Heating Systems (Boilers), with Built-in Multiple Protections

FULL COMPATIBILITY: The Briidea American-style Central Air Conditioning Zone Relay Expander is specifically designed to meet your heating needs. It seamlessly integrates with hydronic heating systems (boilers) and universal thermostats, ensuring consistent home temperatures REGIONAL TEMPERATURE CONTROL: Using the Central Air Conditioning Zone Relay Expander allows for the division of the heating system into multiple zones, enabling it to regulate the operation of the boiler according to your needs. This way, you can provide precise heating based on the requirements of different zones, thereby improving energy efficiency and saving on energy costs SECURE AND RELIABLE: We prioritize safety down to the details, with features like priority switching and built-in priority protection, ensuring a trustworthy user experience. Additionally, we've equipped fuse protection to guarantee the safe operation of your device in any circumstance INSTANT DIAGNOSTIC FEEDBACK: Our unique external diagnost