Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Plumbing systems — Streamline wrot copper couplings (e.g., SKU 5UGC0) for joining copper tubes in potable water lines.
HVAC installations — Streamline wrot copper tees (e.g., SKU 5UGD4) for branch connections in refrigerant or water circuits.
Refrigeration — Streamline wrot copper elbows (e.g., SKU 5UGD3) for directional changes in copper tubing runs.
Drain-waste-vent systems — Streamline wrot copper P-traps (e.g., SKU 5UGG7) to prevent sewer gas entry.
Industrial process piping — Streamline wrot copper tees (e.g., SKU 5UGE5) for distributing fluids in large-diameter lines.
Commercial plumbing — Streamline wrot copper fittings with center stops (e.g., SKU 5UGA3) for controlled insertion depth in soldered joints.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from STREAMLINE

View all STREAMLINE parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first