446-159

This premium universal switching relay with an integrated 24V transformer is an essential component for controlling high-voltage equipment in HVAC and hydronic heating systems. Designed to bridge the gap between low-voltage thermostats and line-voltage loads, this relay allows for the seamless operation of circulator pumps, fans, and blowers. The built-in transformer provides a reliable 24-volt power source for your control circuit, ensuring consistent performance and system safety. Ideal for both residential and light commercial applications, this heavy-duty relay is a go-to solution for repairing or upgrading boiler controls and air handling units. Its durable construction and universal compatibility make it a versatile replacement part for maintaining efficient climate control and heat distribution.
Type: Switching Relay with Transformer
Size: Standard Control Enclosure
Application: Commonly used in hydronic heating systems, boilers, furnaces, and HVAC units to control circulator pumps and blowers via a low-voltage thermostat signal.
Specifications: Integrated 24V transformer; designed for line-voltage switching; provides electrical isolation between low-voltage controls and high-voltage motors; multi-position mounting capability.