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3G Electric
STREAMLINE Wrot Copper Tube Fitting Coupling - Wrot Copper Tube Fittings
STREAMLINEWrot Copper Tube Fittings

STREAMLINE Wrot Copper Tube Fitting Coupling

STREAMLINE Wrot Copper Tube Fittings. Specifications: Type: Cup x Cup, No Center Stop, Wrot Copper.

SKU 3G-OTH-472721

Also listed as: W01021 · W-01021

Brand
STREAMLINE
Item
Wrot Copper Tube Fitting Coupling
Part Number
W 01021
Category
Wrot Copper Tube Fittings
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

STREAMLINE
Manufacturer Part Number
W 01021
Type
Cup x Cup, No Center Stop, Wrot Copper

Technical Documents

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STREAMLINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

STREAMLINE Wrot Copper Tube Fittings. Specifications: Type: Cup x Cup, No Center Stop, Wrot Copper.

Frequently Asked Questions

What is a STREAMLINE Sweat Fitting Coupling used for?

This STREAMLINE wrot copper coupling joins two copper tubes of different sizes (3/8 in CTS x 1/8 in CTS) in plumbing, HVAC, and refrigeration systems. The cup x cup design with no center stop allows full flow for soldered connections in potable water or hydronic heating lines.

What are the specifications of the STREAMLINE Sweat Fitting Coupling W 01021?

The STREAMLINE coupling (MPN W 01021) is a cup x cup, no center stop, wrot copper fitting. It connects 3/8 in CTS to 1/8 in CTS tubing. Designed for sweat/solder installation, it is suitable for copper tube systems in plumbing and mechanical applications.

Where to buy STREAMLINE Sweat Fitting Coupling W 01021 worldwide?

3G Electric supplies the STREAMLINE Sweat Fitting Coupling W 01021 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this wrot copper fitting.

How to install a STREAMLINE Sweat Fitting Coupling?

Clean tube ends and fitting cups with emery cloth. Apply flux to both surfaces, then assemble the coupling onto the tubes. Heat the joint evenly with a torch until solder melts into the gap. Allow to cool naturally before pressurizing the system.

Used in

Common applications for STREAMLINE
Commercial HVAC installation — STREAMLINE 50 ft line set with 1/2 in insulation for rooftop mini-split systems
Industrial plant cooling — STREAMLINE 35 ft line set with 1 in insulation for process area split units
Residential multi-split systems — STREAMLINE 15 ft line set with 1 in insulation for compact installations
HVAC service replacement — STREAMLINE ball valve insulation cover for Cyclemaster valves in retrofit projects
Cold storage facility — STREAMLINE line set with elastomeric insulation to minimize condensation in low-temperature environments
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STREAMLINE Products

3G Electric supplies STREAMLINE wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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