Resideo by HoneyWell L8124E1016 Triple Aquastat Relay Burner Control Boiler Safety Controls & Aquastats - 24V

The Resideo by Honeywell L8124E1016 is a triple aquastat relay designed for precise control of oil-fired heating systems. This 24-volt burner control combines three temperature sensing functions in a single unit to manage circulator operation, burner firing, and high-limit protection for hot water boilers and hydronic heating systems.

Key Features:

• Triple aquastat design provides low-limit, high-limit, and circulator control in one device
• 24-volt operation for compatibility with standard HVAC control systems
• Immersion well sensor provides accurate temperature readings directly from boiler water
• Adjustable temperature settings allow customization for specific system requirements
• Manual reset high-limit function prevents unsafe operating conditions
• SPDT switching for circulator control enables zone valve or circulator pump operation
• Durable construction designed for long-term reliability in residential and light commercial applications

This aquastat relay is ideal for controlling oil burners in hot water boilers, managing circulator operation based on boiler temperature, and providing essential high-limit safety protection. The L8124E series has been a trusted solution for heating professionals for decades, offering dependable performance in demanding heating applications.