The Honeywell L8124B1039 (Millivoltage) Triple Aquastat Relay is a burner control designed for use in HVAC and refrigeration systems. This corded electric relay is specifically manufactured by Honeywell and is known for its reliable performance. Its model number, L8124B1039, ensures easy identification and compatibility with a wide range of heating and cooling systems. Ideal for controlling water temperature and preventing overheating, this aquastat relay is a valuable component in any HVAC or refrigeration system.