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OEM Double copper tube 0.7 1/4-3/8 20m - Accessories & Installation
OEMAccessories & Installation

OEM Double copper tube 0.7 1/4-3/8 20m

OEM double copper tube for refrigeration and HVAC systems, featuring 1/4"-3/8" diameters and 0.7 mm copper thickness with 8 mm polyethylene insulation. 20 m length per EN12735-1, M1 fire rating. Suitable for…

SKU 3G-CBM-01848

Brand
OEM
Item
Double copper tube 0.7 1/4-3/8 20m
Category
Accessories & Installation
UNSPSC
40172521 — Copper and copper alloy pipe connector
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OEM
length
20 m
length m
20
standard
EN12735-1
tube type
double
fire rating
M1
tube diameters
1/4" - 3/8"
copper thickness mm
0.7 x 0.7
insulation material
Polyethylene
insulation thickness mm
8
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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OEM double copper tube for refrigeration and HVAC systems, featuring 1/4"-3/8" diameters and 0.7 mm copper thickness with 8 mm polyethylene insulation. 20 m length per EN12735-1, M1 fire rating. Suitable for commercial and residential cooling applications.

Frequently Asked Questions

What is the OEM double copper tube 0.7 1/4-3/8 20m used for?

The OEM double copper tube is used for refrigerant line sets in refrigeration and HVAC systems, connecting indoor and outdoor units in commercial and residential cooling applications. It features two pre-insulated copper tubes (1/4" and 3/8") in a single 20 m coil, meeting EN12735-1 standard and M1 fire rating.

What are the specifications of the OEM double copper tube 0.7 1/4-3/8 20m?

The OEM double copper tube has a length of 20 m, tube diameters of 1/4" and 3/8", copper thickness of 0.7 mm x 0.7 mm, and 8 mm polyethylene insulation. It complies with EN12735-1 standard and carries an M1 fire rating. The SKU is 3G-CBM-01848.

Where to buy the OEM double copper tube in Singapore?

You can source the OEM double copper tube 0.7 1/4-3/8 20m through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this refrigeration line set.

How to install the OEM double copper tube 0.7 1/4-3/8 20m?

Install the OEM double copper tube by uncoiling it carefully to avoid kinks, then connect the 1/4" and 3/8" tubes to the corresponding refrigerant ports. Ensure the polyethylene insulation remains intact for thermal efficiency. Follow standard HVAC practices for brazing and pressure testing.

Used in

Common applications for OEM
Boiler room maintenance — CBM ELC ionization electrodes for flame detection in industrial burners
Industrial furnace control — CBM ELV solenoid valves for gas flow regulation in combustion systems
Pump systems — CBM CM circulation pumps for secondary boiler circuits
Motor repair — CBM motor run capacitors (16 µF, 400V) for AC motor starting and running
HVAC damper control — Siemens GBB341.1E actuator for air damper positioning in ventilation
Water quality testing — CBM chlorine test kits for on-site boiler water analysis
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OEM Products

3G Electric supplies OEM accessories & installation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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