Home
Refrigerator
VIALU - CSR-U3 Hard Start Device for 4- to 5-Ton AC CSRU3

CSRU3 Compressor Saver CSR U3 Hard Start for 4 to 5 Ton Systems HD

VIALU - CSR-U3 Hard Start Device for 4- to 5-Ton AC CSRU3

MSRP: $33.59

$23.99

(You save $9.60 )

Condition: New

Availability: In Stock

Shipping: Free Shipping on All Orders

Current Stock:

Quantity:

Adding to cart… The item has been added

✔ In Stock
✔ Free Shipping
✔ Ships Quickly from Arizona
✔ 30-Day Returns
✔ Secure Checkout

Not sure this fits?
Send us your appliance model number before ordering and we’ll help verify compatibility.

Secure checkout available with credit card, PayPal, Apple Pay, Google Pay, Venmo, and Link.

Why Buy This Part from Luna Parts

This replacement part is selected for shoppers who want the right fit, fast shipping, and a more confident repair process.

✔ Compatibility guidance: verify with your model number before ordering.

✔ 30-day returns: added reassurance for first-time buyers.

✔ Fast shipping: built for urgent appliance repairs.

✔ Search by part or model: easier identification of the exact replacement.

Tip: The safest way to confirm fitment is to match your appliance model number before ordering.

Will This Fit My Model?

Check your appliance model number carefully before placing the order. If you are unsure, contact Luna Parts with your model number and we can help point you in the right direction.

Common Symptoms This Part Fixes

✔ Appliance not starting

✔ Not heating properly

✔ Not draining or filling

✔ Unusual noise or poor performance

Need Help Confirming the Right Part?

Send your appliance model number before ordering and we’ll help you narrow it down.

Contact Luna Parts

Product Overview

CSRU3 Compressor Saver CSR U3 Hard Start for 4 to 5 Ton Systems HD