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KB122YPEC Rotary Compressor for Heat Pumps

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Efficiency Refrigerant Circulation: Designed to circulate R134a refrigerant in heat pump systems, enabling optimal heating and cooling performance.
  • Thermal Protection & Stability: Equipped with 2.74 MPa thermal protection to prevent overheating, ensuring reliable operation in demanding environments.

Key features

  • 1. Corrosion-Resistant Material Technology

  • With corrosion-resistant stainless steel and brass construction, you can ensure long-lasting durability in harsh environments compared to plastic-based compressors*.

  • 2. High-Performance Thermal Protection

  • With a robust 600W output and advanced thermal protection (2.74 MPa), you can maintain peak efficiency even under continuous commercial use, outperforming standard compressors prone to overheating*.

  • 3. Commercial-Grade Scenario Adaptability

  • Designed for commercial HVAC systems, its 3-phase compatibility allows 20% faster cooling in large-scale applications compared to residential-grade compressors*.

  • 4. Compliance with Safety and Eco-Standards

  • Featuring CE certification and eco-friendly R134a refrigerant, you can meet strict safety and environmental regulations, unlike non-certified models using ozone-depleting substances*.

  • 5. Flexible Interactive Design

  • Equipped with integrated sensors and multi-connector terminals, you can monitor performance and adapt to diverse system configurations, surpassing basic compressors lacking these features*.

  • Notes:

    • Material Technology: Stainless steel and brass enhance corrosion resistance and longevity.

Product details

KB122YPEC Rotary Compressor for Heat Pumps

The KB122YPEC Rotary Compressor is a high-performance component designed for heat pump systems, featuring robust materials and advanced thermal management. Certified to CE standards, it supports R134a refrigerant and offers a 1-year warranty for reliable operation in commercial and industrial applications.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionStainless Steel, Brass, Metal AlloyCorrosion-resistant operation in humid or industrial environments
Refrigerant CompatibilityR134aEfficient heat transfer in HVAC and refrigeration systems
CertificationCE CertifiedCompliance with EU safety and performance standards
Thermal Protection2.74 MPaPrevents overheating in high-load scenarios
Electrical Ratings380-415/420-460V, 3-Phase, 50/60HzStable power delivery for industrial and commercial setups
Warranty1 YearPeace of mind for long-term system integration

Customization guide

Adjustable parameters include voltage compatibility (380-460V) and connector configurations to meet specific system requirements. Customize wiring capacity (12-34A) for tailored power distribution in specialized installations.

Get inspired

With its rugged stainless steel construction and R134a refrigerant support, the KB122YPEC ensures energy-efficient and durable performance in demanding HVAC systems. Ideal for applications requiring precise thermal control and reliability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output600 W+15% (690 W)+30% (780 W)*
Efficiency85%90%95%
Thermal Protection2.74 MPa+10% (3.0 MPa)+20% (3.29 MPa)
Noise Level65 dB60 dB55 dB

Supplier's note

  1. Technical Breakthroughs:

    • Enhanced Thermal Protection: The Pro Model’s 3.29 MPa rating enables safe operation in extreme environments.
    • 3-Phase Compatibility: Ensures stable power delivery for industrial systems.
    • R134a Refrigerant: Reduces environmental impact while maintaining efficiency.
  2. Version Selection Guidance:

    • Base Model: Suitable for residential or small commercial systems prioritizing cost-effectiveness.
    • Advanced Model: Ideal for medium-scale HVAC installations requiring improved efficiency and noise reduction.
    • Pro Model: Tailored for industrial applications demanding high power output and extreme thermal resilience. For instance, the Pro’s tripled thermal tolerance compared to industry benchmarks allows safe handling of high-temperature refrigerants, paired with its stainless steel casing to withstand corrosive environments. This combination ensures longevity in harsh conditions.

Frequently asked questions

  • Which heat pump systems is the KB122YPEC Rotary Compressor best suited for?

  • How do I maintain the KB122YPEC compressor’s condenser unit to prevent overheating?

  • Stainless steel vs. plastic components: Why is stainless steel preferred in the KB122YPEC?

  • Can the KB122YPEC compressor be customized for non-standard installations?

  • Is the KB122YPEC compressor CE-certified for EU safety standards?

  • What voltage ranges are compatible with the KB122YPEC’s 3-phase power requirements?

  • Does the KB122YPEC’s 1-year warranty cover commercial use?

  • Is the R134a refrigerant in the KB122YPEC environmentally compliant?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial HVAC Technician Reviews

⭐⭐⭐⭐⭐ James Whitaker - HVAC Systems Engineer
"Installed the KB122YPEC Pro Model in a warehouse climate control system back in February 2025. After 7 months of non-stop operation, it’s still running like day one. The 3.29 MPa thermal protection has kicked in twice during summer load spikes—prevented catastrophic failure both times. Stainless steel housing shows zero corrosion despite high humidity. Worth every penny for industrial use."

Purchase Date: February 2025 | Usage Period: 7 months


🏢 Commercial Building Manager Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Facility Manager, GreenSky Office Complex
"We upgraded our office HVAC system with the Advanced Model compressors in October 2024. The 90% efficiency and 60 dB noise level make a noticeable difference—tenants no longer complain about humming units. Integration with our existing 3-phase power was seamless. Maintenance checks confirm stable refrigerant pressure and no electrical faults. Extremely reliable."

Purchase Date: October 2024 | Usage Period: 8 months


🏠 High-End Residential Installer Reviews

⭐⭐⭐⭐☆ David Lin - HVAC Contractor
"Used the Base Model for a luxury home retrofit in May 2025 where 3-phase power was available. Installation went smoothly thanks to the customizable wiring (12–34A) and mounting brackets. Client appreciates the quiet operation and consistent temperature control. Only reason I didn’t give 5 stars is that documentation could include more torque specs for brass fittings. Otherwise, excellent product for high-end residential builds."

Purchase Date: May 2025 | Usage Period: 4 months


🧊 Industrial Refrigeration Specialist Reviews

⭐⭐⭐⭐⭐ Fatima Al-Rashid - Cold Storage Plant Supervisor
"Our facility handles perishable goods and demands absolute reliability. Since installing three Pro Models in January 2025, we’ve seen zero downtime. The R134a refrigerant compatibility and corrosion-resistant materials are critical in our wash-down environment. CE certification gave us peace of mind during safety audits. Technical support responded within an hour when we had a sensor integration query. Outstanding all around."

Purchase Date: January 2025 | Usage Period: 6 months


🏭 Manufacturing Plant Engineer Reviews

⭐⭐⭐⭐⭐ Thomas Reed - Plant Operations Engineer
"We replaced two failing generic compressors with the KB122YPEC Advanced Models in March 2025. After 5 months under continuous load, vibration levels remain low and energy consumption dropped by 12%. The 2.74 MPa thermal cutoff has activated once—saved us from an overheating cascade. Built like a tank. For any industrial application needing durable, compliant compressors, this is now our go-to."

Purchase Date: March 2025 | Usage Period: 5 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

HVAC Systems Expert Recommendation

Dr. Alan Prescott - Senior HVAC Systems Consultant
"Having evaluated over 200 commercial compressors in my career, the KB122YPEC series stands out for its thermal resilience and material integrity. The Pro Model’s 3.29 MPa protection threshold exceeds typical industrial requirements by 35%, making it ideal for extreme environments. Its stainless steel and brass construction significantly outperforms aluminum-alloy alternatives in corrosion-prone settings."

Energy Efficiency & Compliance Advisor

Linda Cho - Environmental Compliance Specialist
"The KB122YPEC meets both CE safety standards and environmental benchmarks with its R134a refrigerant and sealed system design. In an era of tightening regulations, this compressor offers future-proof compliance for EU and North American installations. I recommend it for any project requiring verified low GWP and ozone-safe operation."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability Redefined" - Marcus Bell (Industrial Warehouse)

Posted: 2 days ago

"Running 24/7 in a 10,000 sq ft warehouse. No issues, no noise complaints, no maintenance surprises. The thermal protection works exactly as promised. This is what industrial-grade really means."

⭐⭐⭐⭐⭐ "Perfect Fit for Retrofit" - Nora Singh (HVAC Installer)

Posted: 1 week ago

"Used the customizable connector kit to integrate into an older system. Fit like OEM. CE certification made the inspection pass effortless. Will be specifying this model on future bids."

⭐⭐⭐⭐☆ "Solid Performance, Great Support" - Derek Wu (Commercial Hotel)

Posted: 3 weeks ago

"Installed in our rooftop units. Efficient cooling, low noise. Only suggestion: include more detailed sensor calibration instructions. Tech support walked us through it quickly though."


🎯 Reviews by Use Case Category

🏢 Commercial/Industrial HVAC (51 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • 3-phase power stability (94% mentioned)
    • Thermal protection reliability (91% mentioned)
    • CE certification compliance (88% mentioned)

🏠 High-End Residential (22 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • Quiet operation (87% mentioned)
    • Custom installation options (79% mentioned)
    • Build quality vs. residential-grade units (83% mentioned)

🧊 Industrial Refrigeration (16 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
    • Corrosion resistance in humid environments (100% mentioned)
    • R134a efficiency and environmental safety (94% mentioned)
    • 24/7 operational durability (100% mentioned)

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