Description
The Parker-Sporlan 470118 is a professional-grade unloader valve and coil assembly rated for 240V operation, engineered to deliver dependable compressor capacity control in commercial and industrial HVAC/R applications. Designed to Parker-Sporlan’s exacting standards, this unit helps reduce compressor startup loads, extend equipment life, and maintain system efficiency across a wide range of operating conditions.
Product Overview
The 470118 unloader valve works by venting high-pressure gas from the compressor cylinder head back to the suction side during startup or part-load operation. The integrated 240V coil provides precise electromagnetic actuation, ensuring fast and reliable valve response. This combination of valve and coil in a single assembly simplifies installation and reduces the potential for compatibility issues.
Key Features
- Unloader valve and coil supplied as a matched assembly
- 240V coil voltage for compatibility with standard commercial power supplies
- Engineered for compressor capacity control and reduced startup amperage
- Built to Parker-Sporlan quality standards for long service life
- Helps protect compressors from excessive startup stress
- Suitable for commercial and industrial HVAC/R refrigeration systems
Applications
- Commercial refrigeration compressor unloading
- HVAC chiller and rooftop unit compressor capacity staging
- Industrial refrigeration systems requiring part-load operation
Why Choose Parker-Sporlan
Parker-Sporlan is a globally recognized leader in refrigeration and HVAC controls, valves, and components. Their products are trusted by contractors and engineers worldwide for precision engineering, robust construction, and consistent field performance. The 470118 continues that tradition, offering a reliable solution for compressor unloading in demanding environments.
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