---
product_id: 343522552
title: "CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz"
brand: "partsbroz"
price: "1641 som"
currency: KGS
in_stock: false
reviews_count: 5
url: https://www.desertcart.kg/products/343522552-csr-u1-hard-start-device-for-1-to-3-ton
store_origin: KG
region: Kyrgyzstan
---

# CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz

**Brand:** partsbroz
**Price:** 1641 som
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz by partsbroz
- **How much does it cost?** 1641 som with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/343522552-csr-u1-hard-start-device-for-1-to-3-ton)

## Best For

- partsbroz enthusiasts

## Why This Product

- Trusted partsbroz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

A hard start device helps boost your compressor during start-up. The average unit will start up 30-50% faster when you add the CSR-U1 exact equivalent part by PartsBroz. Why does this matter? During start-up, your AC unit uses five to ten times more power than it does when it’s running. Overtime, the heat produced during start-up damages the compressor, capacitor, and terminals, reducing the product life of your AC unit. The faster your unit starts up, the less damage will be done, and the longer your unit will last.The CSR-U1 exact equivalent part by PartsBroz works with 1- to 3-ton AC units. Larger units require a larger capacitor.Quick Fix that Improves AC Start-UpAdding a hard start device to your air conditioner or compressor is a good idea if:House lights flicker during AC start upYour AC unit is noisy during start upYour AC unit takes a while to start upYou want to extend the life of your AC unitYou want to reduce your home’s energy consumptionUnsure about compatibility with your unit? Reach out to us in the customer questions and answer section or on the PartsBroz storefront.

Review: The hard start kit arrived complete and it is prewired. Relay and hard start capacitor are pre-connected. Merely need to connect remaining wires to existing capacitor. Also, holder tie and screws included. Nice and easy for a novice like me. So far, my compressor is working fine. Access techs charge $288-$300. WOW!
Review: this product installs incredibly easy and makes the AC unit run QUIET! no power surge dimming the lights and can hardly hear the unit run. Before this product was installed the AC was super loud. Overall for 20 bucks out the door and 10minutes of time versus 300 bucks and weeks for a HVAC company to install is a no brainer

## Features

- FOR SMALL UNITS: The part works with smaller air conditioner units. Use it to improve the start-up speed of your 1- to 3-ton AC unit. Refer to your owners manual or reach out to us to confirm the size of your unit.
- IMPROVES AC START-UP: Adding a hard start device to your AC unit can improve start-up time by 30-50%. A hard start device can also extend the life of a new or even failing AC unit, saving you the expense of buying a new air conditioner or compressor.
- 30-MINUTE FIX: Installing a hard start device takes 10 to 30 minutes per unit. Unless youre familiar with electrical, it is recommended to have this device installed by a certified HVAC technician.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07V3TLLV7 |
| Batteries Required? | No |
| Batteries included? | No |
| Colour | As Shown in the Picture |
| Customer Reviews | 4.4 4.4 out of 5 stars (167) |
| Date First Available | 12 July 2019 |
| Item Weight | 317 g |
| Item model number | CSR-U1 |
| Manufacturer | PartsBroz |
| Material | Plastic + Resin |
| Package Dimensions | 24.76 x 6.35 x 5.08 cm; 317.51 g |
| Part Number | CSR-U1 |
| Power Source | Corded Electric |
| Size | Regular |

## Images

![CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz - Image 1](https://m.media-amazon.com/images/I/716v1NqjFYL.jpg)
![CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz - Image 2](https://m.media-amazon.com/images/I/71J3h7R+h4L.jpg)
![CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz - Image 3](https://m.media-amazon.com/images/I/81PZfTiJsQL.jpg)
![CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz - Image 4](https://m.media-amazon.com/images/I/71w0iNxt0nL.jpg)
![CSR-U1 Hard Start Device for 1- to 3-Ton AC Units by PartsBroz - Image 5](https://m.media-amazon.com/images/I/81EMj-4yhTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***E on 20 February 2024*

The hard start kit arrived complete and it is prewired. Relay and hard start capacitor are pre-connected. Merely need to connect remaining wires to existing capacitor. Also, holder tie and screws included. Nice and easy for a novice like me. So far, my compressor is working fine. Access techs charge $288-$300. WOW!

### ⭐⭐⭐⭐⭐ Review
*by A***X on 16 May 2024*

this product installs incredibly easy and makes the AC unit run QUIET! no power surge dimming the lights and can hardly hear the unit run. Before this product was installed the AC was super loud. Overall for 20 bucks out the door and 10minutes of time versus 300 bucks and weeks for a HVAC company to install is a no brainer

### ⭐⭐⭐⭐ Review
*by B***H on 25 June 2022*

Actually NO instructions. All they give you is a schematic diagram that is both WRONG and misleading. It shows that the thermostat is involved in the wiring - which it is not! - and does not show the connection of the black wire. Had to watch a youtube video to figure it out, and their kit came with a good schematic. And this is coming from a person who is technically and electrically inclined. Having a bad diagram is a nightmare. I would've been better off having no diagram at all, because the one I got just confused me. Other than that, no problems so far. I had installed a thermostatic expansion valve in my system, and had heard that I needed to install a hard start kit. Didn't really believe that until I woke up one hot summer morning, hearing the condenser fan running, but without the telltale compressor sound. Then I heard the compressor stall, but only for one second before the overload tripped. It would keep trying for maybe an hour before catching and going. With this kit installed, it's been about a week now, and so far no more stalling compressor. I should also mention that the relay is dependent on gravity, and must be mounted upright. There is an arrow marked 'Top' faintly printed on the side of it, but again, no instructions that mention this very important part of the installation!

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-10*