24V Solenoid Valve Coil – 18mm Inner Diameter, 40mm Height, DIN Connector, for HVAC Refrigeration & Industrial Control
24V Solenoid Valve Coil – 18mm × 40mm for HVAC, Refrigeration & Industrial Control
This 24V solenoid coil is a reliable electromagnetic component engineered for use with solenoid valves in HVAC, refrigeration, and general industrial control systems. Featuring an 18mm inner diameter and 40mm height, it is compatible with standard valve bodies, making it an ideal replacement or repair part for air conditioning units, refrigeration equipment, and industrial fluid control systems.
Key Technical Specifications
Voltage: 24V (DC/AC available)
Inner Diameter: 18mm (φ18)
Height: 40mm (H40)
Insulation Class: Class F / H (available upon request)
Connector Type: Standard DIN connector
Duty Cycle: Designed for continuous duty
Application Media: Standard refrigerants, air, water, and compatible fluids
Performance and Reliability
The coil provides consistent electromagnetic actuation for precise flow control, ensuring optimal system efficiency and reliable operation. Its robust construction withstands the demanding thermal and electrical conditions typical of HVAC and industrial environments, where continuous operation is standard.
Installation and Compatibility
Equipped with a standard DIN connector, this coil facilitates quick and secure electrical installation, convenient for technicians performing field replacements or repairs. The 18mm × 40mm form factor fits a wide range of standard solenoid valve bodies used in commercial, residential, and industrial applications.
Important Note on Coil Failure Prevention
Solenoid coils are susceptible to burnout if the valve plunger fails to close completely. When energized, an AC solenoid draws a high “surge current” to pull the plunger in; once closed, current drops to a lower “holding current.” If the plunger is blocked—by contamination or mechanical jam—the coil continues drawing high surge current, causing overheating and insulation failure. This condition, often caused by debris in the valve (“silt lock”), means the underlying contamination must be addressed, not just the coil replaced.
Typical Applications
Air conditioning and HVAC systems
Commercial and residential refrigeration
Industrial fluid control valves
Water and air solenoid valves
General automation equipment requiring reliable solenoid actuation
Quality Assurance
This solenoid coil is supplied as a 100% brand-new unit, backed by a 1-year warranty. Manufactured in Zhejiang, China, with delivery typically within 5–7 working days.
