---
product_id: 44423903
title: "Mueller Industries 61280250 3/8\" x 3/4\", 25' - Air Conditioner Line Set"
brand: "mueller"
price: "₨227472"
currency: LKR
in_stock: true
reviews_count: 8
category: "Mueller"
url: https://www.desertcart.lk/products/44423903-mueller-industries-61280250-3-8-x-3-4-25-air
store_origin: LK
region: Sri Lanka
---

# 25 ft length for versatile installation Optimized 3/8" x 3/4" copper tubing for efficient cooling Pre-charged nitrogen sealed for leak-proof reliability Mueller Industries 61280250 3/8" x 3/4", 25' - Air Conditioner Line Set

**Brand:** mueller
**Price:** ₨227472
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay cool, install smart — the pro’s choice for seamless AC upgrades!

## Quick Answers

- **What is this?** Mueller Industries 61280250 3/8" x 3/4", 25' - Air Conditioner Line Set by mueller
- **How much does it cost?** ₨227472 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/44423903-mueller-industries-61280250-3-8-x-3-4-25-air)

## Best For

- mueller enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Assurance:** Nitrogen-charged and sealed tubing guarantees airtight performance, keeping your system running flawlessly.
- • **Premium Copper Build:** Durable copper material ensures superior heat transfer and long-lasting reliability for your AC system.
- • **Effortless Installation:** Pre-measured 25-foot line set designed for quick, hassle-free setup by pros and DIYers alike.
- • **Made in the USA Quality:** Crafted domestically with strict quality standards, supporting local manufacturing and trusted performance.
- • **Perfect Fit for Compact Systems:** Ideal for 1.5-ton units cooling up to 1200 sq ft—engineered to maximize efficiency in smaller spaces.

## Overview

The Mueller Industries 61280250 Air Conditioner Line Set features 25 feet of premium 3/8" x 3/4" copper tubing, pre-charged with nitrogen and sealed for leak-proof reliability. Designed for quick installation of split-system AC units, it’s perfect for 1.5-ton systems cooling spaces up to 1200 sq ft. Made in the USA, this durable line set combines professional-grade materials with ease of use, ensuring efficient and long-lasting cooling performance.

## Description

For Quick, Easy Installation Of Split-System A/C Systems 3/8" Insulation Refrigeration Tubing Nitrogen Charged and Sealed Includes Length Of Suction Line and Liquid Line.

Review: Quality - Good quality product.
Review: Great for smaller ac line. Technition had no problems using - Worked great for my 1.5 ton ac unit. Cools my 1200 sq ft home. Bought all the supplies and had a certified HVAC technition but in my home. Had no problems using this and house is now cool. Like the copper line look as well. Well worth it

## Features

- Air Conditioner Line Set 3/8 In X 3/4 In, 25 Ft
- Auto-on occupancy sensors turn on the load when motion
- This is manufactured in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00PM8R5P8 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #2,045,258 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #3,740 in Accessories (Home & Kitchen) |
| Brand | MUELLER |
| Customer Reviews | 4.5 4.5 out of 5 stars (267) |
| Date First Available | July 15, 2010 |
| Global Trade Identification Number | 00685768287636 |
| Included Components | Bolt Cutter, Handtools, Pliers & Cutters |
| Is Discontinued By Manufacturer | No |
| Item Length | 300 Inches |
| Item Package Quantity | 1 |
| Item Weight | 13 pounds |
| Item model number | 61280250 |
| Manufacturer | MUELLER INDUSTRIES |
| Material | Copper |
| Measurement System | Metric |
| Nominal Wall Thickness | 0.75 inch |
| Outside Diameter | 0.75 Inches |
| Part Number | 61280250 |
| Product Dimensions | 300"L x 0.38"W |
| Size | 0.375" x 0.75" x 300" |
| UPC | 685768287636 |

## Product Details

- **Brand:** MUELLER
- **Global Trade Identification Number:** 00685768287636
- **Item Length:** 300 Inches
- **Item Weight:** 13 Pounds
- **Manufacturer:** MUELLER INDUSTRIES
- **Material:** Copper
- **Nominal Wall Thickness:** 0.75 inch
- **Outside Diameter:** 0.75 Inches
- **Product Dimensions:** 300"L x 0.38"W
- **UPC:** 685768287636

## Images

![Mueller Industries 61280250 3/8" x 3/4", 25' - Air Conditioner Line Set - Image 1](https://m.media-amazon.com/images/I/31KsNWiw5HL.jpg)
![Mueller Industries 61280250 3/8" x 3/4", 25' - Air Conditioner Line Set - Image 2](https://m.media-amazon.com/images/I/51nLSVyDcNL.jpg)

## Questions & Answers

**Q: Does the line set come sealed, picture shows it is not sealed.**
A: Yes they are sealed with nitrogen.

**Q: Which line is insulated? In the description it sounds like the 3/8 is but it ahould be the 3/4 right?**
A: It's the 3/4 and it is 3/8 insulation wrapped  around it youremodel.com

**Q: Will this line set work on a 3 ton system**
A: It goes by diameter, If this is the right dia. for your unit you are fine I used it on a 3 ton myself

**Q: 25' each line or both of them put together? Thanks...**
A: Each line is 25 Ft. I was working on a 3" chase tube and was able to run both lines ,low voltage wire, and 3/4"pvc drain line all at once. It was tight but it went.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality
*by C***F on August 22, 2025*

Good quality product.

### ⭐⭐⭐⭐⭐ Great for smaller ac line. Technition had no problems using
*by R***N on June 30, 2019*

Worked great for my 1.5 ton ac unit. Cools my 1200 sq ft home. Bought all the supplies and had a certified HVAC technition but in my home. Had no problems using this and house is now cool. Like the copper line look as well. Well worth it

### ⭐⭐⭐⭐⭐ high quality line set
*by A***. on August 23, 2024*

prompt shipping, packaged well

## Frequently Bought Together

- Mueller Industries 61280250 3/8" x 3/4", 25' - Air Conditioner Line Set
- Sealproof Power Whip Assembly, 1/2-Inch x 6 Ft Nonmetallic Liquid Tight Flexible Electrical Conduit and 10 Gauge Wire Single Phase Preassembled A/C Hook-up Whip Kit, 1/2"
- Goodman 10kW heat kit with circuit breaker for select Goodman units (HKTSD10X1)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-17*