Description
The Weil McLain 510312167 Transformer Relay is an electrical control component used in HVAC systems, to step down voltage from 120V primary to 24V secondary with a 40VA capacity. It supplies safe low-voltage power to control circuits, enabling proper operation of thermostats and safety controls within heating equipment. This component is commonly installed in boilers and furnace control assemblies, where it supports stable electrical distribution and system responsiveness. It plays an essential role in maintaining ignition control, and operational sequencing in heating applications.









