Johnson Controls A19DAC-1C SPDT Strap-On Aquastat 100-240°F

The Johnson Controls A19DAC-1C is a single pole double throw (SPDT) strap-on aquastat designed for precise temperature control in hydronic heating systems, boilers, and water storage tanks. This reliable temperature controller features an adjustable temperature range of 100°F to 240°F, making it ideal for monitoring and controlling water temperature in residential and light commercial applications.

Key Features:

• SPDT switching action for versatile control applications
• Adjustable temperature range from 100°F to 240°F
• Strap-on mounting design for easy installation on pipes and tanks
• Durable construction for reliable long-term performance
• Fixed differential for consistent temperature control
• Suitable for use with boilers, water heaters, and hydronic heating systems

The strap-on design allows for quick installation without the need to penetrate the tank or pipe wall, while maintaining accurate temperature sensing. This aquastat is commonly used to control circulators, zone valves, or other HVAC equipment based on water temperature, ensuring efficient system operation and preventing overheating.