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Description
5-2-1 CSR-U1 Hard Start Capacitor Kit for 1 to 3 Ton AC Units5 2 1 CSR U1 Hard Start Capacitor Kit Key Features Two wire hard start kit for single phase compressors Includes a potential relay and start capacitor Reduces compressor start up time and energy consumption Assists older or tight compressors with starting Installs in series with the compressor run winding Replaces Cross Reference Part Numbers CSRU1 SPP6 SPP5 RCO410 RCO810 RCO410D 88 5440 HN61PC005 HN61KA023 CKFU1 Compatibility & Fitment Designed for 1
5-2-1 CSR-U1 Hard Start Capacitor Kit
Key Features
- Two-wire hard start kit for single-phase compressors
- Includes a potential relay and start capacitor
- Reduces compressor start-up time and energy consumption
- Assists older or tight compressors with starting
- Installs in series with the compressor run winding
Replaces / Cross-Reference Part Numbers
- CSRU1
- SPP6
- SPP5
- RCO410
- RCO810
- RCO410D
- 88-5440
- HN61PC005
- HN61KA023
- CKFU1
Compatibility & Fitment
- Designed for 1 to 3 Ton (12,000 to 36,000 BTU) air conditioning and heat pump units
- Compatible with single-phase 115V to 288V systems
When to Replace
- Compressor hums but struggles or fails to start
- A/C system causes significant dimming of lights on start-up
- Circuit breaker trips when the compressor attempts to start
- Proactive installation on older units to extend compressor life
Installation Tips
- Disconnect all electrical power to the A/C unit before installation.
- Safely discharge any existing capacitors in the system.
- Connect the two wires from the kit to the compressor's "Run" and "Common" terminals.
- Mount the device securely inside the electrical control panel.
- Professional installation by a qualified HVAC technician is recommended.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Sturdy, Easy to Use, and Great for Privacy
Color: Black, Size: 88" W, Color: Black, Size: 88" W
This room divider is exactly what I needed! The metal frame feels very sturdy and stable, and the wider bases keep it from tipping over easily. The fabric provides great privacy and blocks light much better than expected. I also love how lightweight and foldable it is, making it easy to move around or store when not in use. Assembly was simple and only took a short time with the included instructions. Overall, it looks great, feels high quality, and works perfectly for creating a private space at home. Highly recommend!
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Reviewed in the United States on May 29, 2026
★★★★★ 3
Not bad
Color: Grey, Size: 88" W
Claims to be non see through but you can, easy to assemble but instructions aren't good. Decent money value, quality is okay. Good fit, not very sturdy.
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Reviewed in the United States on May 11, 2026
★★★★★ 1
They bend easily and hard to keep up
Color: Black, Size: 88" W
To flimsy, they are see through, not at all what is pictured
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Perfect for Creating Instant Privacy
Color: Black, Size: 88" W
I just set this up and it instantly transformed the space. It’s lightweight but stands securely, and the fabric panels look clean and modern. Super easy to fold and move around—perfect for creating privacy in a bedroom or home office without any permanent changes
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Lighter Than Expected — Perfect for My Garage Workspace!
I just received this room divider and haven’t had a chance to set it up yet, but I’m already impressed. It’s much lighter than I expected — I was worried it would be bulky and unstable, but that doesn’t seem to be the case at all. It feels easy to handle and still solid enough for what I need. I plan to use it in my garage to section off a small workspace, and it looks like it’s going to work perfectly!
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Reviewed in the United States on May 17, 2025