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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 9 reviews
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Product Reviews
★★★★★ 5
Great daily lotion
Style: 3.38 Fl Oz (Non SPF)
Great daily lotion. I love that it is light and fragrance free. It is perfect for day use. I have dry skin and sometimes it is not enough to use by itself. I mostly use it during the day as a base for sunscreen but it feels really good on the face and does not leave my face feeling greasy. The ingredients are really good and the value for money is great. I love LRP products and this is so easy to use.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
✨ My New Favorite Face Cream for Hydrated & Glowing Skin ✨
Style: 3.38 Fl Oz (Non SPF)
“I’ve been using this La Roche-Posay cream for a few days now and I absolutely love it 😍💧 My skin feels super hydrated, soft, and has a healthy glow without any greasy residue. Plus, it’s perfect for sensitive skin because it feels light and soothing. My face feels so much fresher and more cared for ✨ I would definitely buy it again
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Reviewed in the United States on May 27, 2026
★★★★★ 5
The best
Style: 3.38 Fl Oz (Non SPF)
I’ve been using the La Roche-Posay Toleriane Double Repair Face Moisturizer for a few weeks now, and it’s honestly one of the best daily moisturizers I’ve tried—especially for sensitive skin.
First thing I noticed is how lightweight it feels. It absorbs quickly and doesn’t leave that greasy or heavy film that a lot of “hydrating” lotions do. My skin feels instantly softer, but not suffocated. It layers really well under makeup too—no pilling or weird texture.
What really stands out is how balanced my skin has been since using it. I tend to get dry patches but also occasional breakouts, and this somehow helps with both. It hydrates without clogging pores, and I’ve noticed less redness overall. The fact that it contains ceramides and niacinamide is a huge plus if you’re trying to repair your skin barrier.
It’s also fragrance-free, which I personally look for because anything scented tends to irritate my skin.
The only small downside is the price point compared to drugstore moisturizers, but honestly, a little goes a long way and the quality makes it worth it.
Overall, I’d definitely recommend this if you have sensitive, combination, or dry skin and want something simple but effective. It’s become a staple in my routine.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Moisturizing & repairs skin barrier, but does pill.
Style: 3.38 Fl Oz (Non SPF)
Given myself a couple weeks of consistent use before giving a review. There are a lot of pros to this product which include: moisturizing and stays moisturized all day, made my PIE marks (post acne marks) fade a lot faster. Repairs my skin barrier, especially while using tretinoin nightly, not too thick but thick enough to keep my face hydrated. It does not have a smell.
The cons are: slight burn for about 15 seconds but disappears, it pills if I apply too much. It does pill less if I pat it on my face versus rubbing; it does not pill when I apply liquid foundation. I just have to let it dry for 15-20 mins before applying makeup.
I found the pros to overpower the cons and will continue to use this product.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Will buy again!
Style: 3.38 Fl Oz (Non SPF)
This is a very nice product. For the size it seems a bit expensive, but a little goes a long way and it may be a better value than I initially thought. My skin does look better, so it is doing it's job! I like the texture of it. It is fairly light, not oily, absorbs quickly into the skin, which I like. Highly recommend.
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Reviewed in the United States on April 21, 2026