--- product_id: 44423903 title: "Mueller Industries 61280250 3/8\" x 3/4\", 25' - Air Conditioner Line Set" brand: "mueller" price: "฿28744" currency: THB in_stock: true reviews_count: 8 category: "Mueller" url: https://www.desertcart.co.th/products/44423903-mueller-industries-61280250-3-8-x-3-4-25-air store_origin: TH region: Thailand --- # 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:** ฿28744 **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?** ฿28744 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/44423903-mueller-industries-61280250-3-8-x-3-4-25-air](https://www.desertcart.co.th/products/44423903-mueller-industries-61280250-3-8-x-3-4-25-air) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-06-12*