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MRCOOL 3/4 Flare-to-Weld Fitting, WF-34

SKU WF-34
by MRCOOL
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Description

MRCOOL 3/4" Flare-to-Weld Fitting (WF-34)

Reliable Connections for Professional Installs

The MRCOOL 3/4" Flare-to-Weld Fitting is designed to give HVAC professionals the flexibility and reliability they need on every job. This high-quality copper fitting features a flared female end to a female weld end, making it easy to transition between flare and weld connections during installation or repair of refrigerant line sets.


Key Features
  • 3/4" Flare-to-Weld fitting for seamless line set transitions
  • High-quality copper construction for durability and corrosion resistance
  • Flared female end to female weld end for versatile installation options
  • Compatible with MRCOOL line sets and most standard HVAC tubing
  • Color: Bronze/Copper Metallic

Product Specifications
  • Dimensions: 4.5"W x 32"D x 4.5"H
  • Equipment Type: Flare-to-Weld Fitting
  • Material: Copper
  • Proposition 65 Warning: Yes
  • Restricted States: GU; PR; VI

Make Every Connection Count—Choose MRCOOL for Your Next Install

Upgrade your installation flexibility and ensure a secure, leak-free fit every time with MRCOOL’s 3/4" Flare-to-Weld Fitting. Trusted by professionals for reliable results.



PRODUCT SPECIFICATIONS:

Product Dimensions 4.5"W x 32"D x 4.5"H
Equipment Type Flare-to-Weld
Color Copper
Color Family Bronze/Copper Metallic
Lineset Fitting Type Flared female end to female weld end
Proposition 65 Warning Yes
Restricted States GU;PR;VI

 

Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

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    Air Handler BTU:

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  • Outdoor Operating Temp (Cool/ heat):

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  • Warranty

    Warranty

Description

MRCOOL 3/4" Flare-to-Weld Fitting (WF-34)

Reliable Connections for Professional Installs

The MRCOOL 3/4" Flare-to-Weld Fitting is designed to give HVAC professionals the flexibility and reliability they need on every job. This high-quality copper fitting features a flared female end to a female weld end, making it easy to transition between flare and weld connections during installation or repair of refrigerant line sets.


Key Features
  • 3/4" Flare-to-Weld fitting for seamless line set transitions
  • High-quality copper construction for durability and corrosion resistance
  • Flared female end to female weld end for versatile installation options
  • Compatible with MRCOOL line sets and most standard HVAC tubing
  • Color: Bronze/Copper Metallic

Product Specifications
  • Dimensions: 4.5"W x 32"D x 4.5"H
  • Equipment Type: Flare-to-Weld Fitting
  • Material: Copper
  • Proposition 65 Warning: Yes
  • Restricted States: GU; PR; VI

Make Every Connection Count—Choose MRCOOL for Your Next Install

Upgrade your installation flexibility and ensure a secure, leak-free fit every time with MRCOOL’s 3/4" Flare-to-Weld Fitting. Trusted by professionals for reliable results.



PRODUCT SPECIFICATIONS:

Product Dimensions 4.5"W x 32"D x 4.5"H
Equipment Type Flare-to-Weld
Color Copper
Color Family Bronze/Copper Metallic
Lineset Fitting Type Flared female end to female weld end
Proposition 65 Warning Yes
Restricted States GU;PR;VI

 

Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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Get Connected with Certified HVAC Installers:

  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
  • ✓ Specialists in Your Equipment Type
  • ✓ Competitive, Transparent Pricing
  • ✓ Fast Response - Within 24 Hours

How it works:

1. Fill out the form below with your project details
2. We'll match you with 2-3 qualified installers in your area
3. Installers contact you directly with quotes and availability
4. You choose the best fit for your project

"I bought a heat pump online but wasn't sure about installation. HVAC Hive connected me with three local contractors within hours. I chose one based on reviews and pricing - he installed it perfectly the next week. Made the whole process so much easier!"
- Jennifer M., Homeowner, Phoenix AZ

✓ No obligation quotes | ✓ All installers background checked | ✓ Free service - you only pay the installer

We'll connect you with installers within 48 hours during business days

Frequently Asked Questions about MRCOOL 3/4 Flare-to-Weld Fitting, WF-34

Most Frequently Asked Questions

The MRCOOL 3/4 Flare-to-Weld Fitting WF-34 is designed to connect a 3/4-inch flare refrigerant line to a copper or steel refrigerant line via welding, allowing secure and leak-free transitions between flare and welded connections in HVAC and mini split systems.
The MRCOOL WF-34 3/4 Flare-to-Weld Fitting is compatible with HVAC and mini split systems that use 3/4-inch flare refrigerant lines and require welded connections to copper or steel tubing, commonly found in larger residential and commercial air conditioning and heat pump installations.
Yes, professional installation is strongly recommended for the MRCOOL WF-34 Flare-to-Weld Fitting, as it requires welding skills and proper handling to ensure secure, leak-free connections and compliance with HVAC safety standards.

Other Questions

The MRCOOL 3/4 Flare-to-Weld Fitting WF-34 is typically made from durable brass, providing corrosion resistance and reliable performance in HVAC refrigerant line connections.
Yes, the MRCOOL WF-34 fitting is specifically designed to connect 3/4-inch flare tubing to welded copper piping, ensuring a secure and leak-free transition between flare and welded connections in HVAC systems.

Reviews

Express Free Shipping

Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team