Complete three-piece configuration
Includes one 3/8-inch fitting and two 3/4-inch fittings, matching the specified bundle configuration without requiring the installer to purchase each fitting separately.
Armbridge HVAC Installation Accessory
3/8 in. & 3/4 in. Flare-to-Weld Fitting Kit
A copper adapter fitting set designed to transition female flare connections to female weld/sweat ends for HVAC line-set installation.
3-Piece KitOne 3/8 in. and two 3/4 in. fittings
CopperDurable HVAC fitting construction
Flare-to-WeldFemale flare to female weld/sweat end
23 in.Reference fitting length
A cleaner way to connect mismatched line-set ends
Built for professional HVAC installation
The Armbridge flare-to-weld fitting kit provides the adapter sizes needed when an HVAC line set uses flare connections but the equipment or field piping requires a welded or sweat connection.
Each copper fitting has a female flare end on one side and a female weld/sweat end on the other, allowing a licensed installer to create a secure transition without improvising with multiple separate adapters.
HVAC installation accessoryCopper constructionFemale flare endFemale weld/sweat endProfessional installation
Practical installation benefits
The fittings needed for a direct line-set transition
A compact accessory kit for connecting common 3/8-inch liquid-line and 3/4-inch suction-line sizes.
Female flare connection
The flare side is designed to accept a corresponding male flare connection commonly used on HVAC equipment and line-set assemblies.
Female weld or sweat end
The opposite end accepts field copper tubing for a welded or brazed connection completed by a qualified HVAC professional.
Durable copper construction
Copper construction supports standard HVAC installation practices and provides a dependable transition between the equipment connection and field piping.
What's Included
| Component | Connection | Quantity |
|---|---|---|
| WF-38 reference fitting | 3/8 in. female flare to female weld/sweat | 1 |
| WF-34 reference fitting | 3/4 in. female flare to female weld/sweat | 2 |
Product Specifications
| Specification | Details |
|---|---|
| Product type | Flare-to-weld / flare-to-sweat HVAC adapter fitting kit |
| Nominal fitting sizes | 3/8 in. and 3/4 in. |
| Connection ends | Female flare end to female weld/sweat end |
| Material | Copper |
| Reference length | 23 in. |
| Total fittings | 3 |
Installation Notes
Professional installation is required. Confirm line sizes, equipment connection type, refrigerant compatibility, brazing procedures, nitrogen purging requirements, evacuation, leak testing, and all manufacturer instructions before installation.
FAQs
What fittings are included?
The kit includes one 3/8-inch fitting and two 3/4-inch fittings.
What type of ends do the fittings have?
Each fitting transitions from a female flare end to a female weld/sweat end.
Who should install these fittings?
Installation should be completed by a qualified HVAC professional using appropriate brazing, pressure-testing, evacuation, and refrigerant-handling procedures.
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
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