Smartlock UNST1200 1/2″ Copper Union Straight Fitting for Air Conditioning and Refrigeration Systems

UNST1200 1/2" Copper Union Straight Connector

The UNST1200 is a 1/2" copper union straight connector for refrigeration and air conditioning pipework. It offers a reliable, leak-free joint that can be assembled quickly without brazing or specialist tools. Designed for HVAC/R engineers, it provides consistent performance and allows service disassembly if required. Available exclusively from airconspares.com with fast UK delivery.

Key benefits

• Fast installation: connects 1/2" copper tube without heat or solder.
• Serviceable design: reusable joint allows maintenance access.
• Leak-resistant seal: precision-machined mating faces ensure reliability.
• Durable construction: corrosion-resistant copper for long life.
• HVAC/R ready: suitable for UK air conditioning and refrigeration systems.

Typical applications

• Joining or extending 1/2" suction or liquid copper lines
• Repairs or modifications on existing systems
• Installing new split or VRF/VRV units

Specification

• Product code: UNST1200
• Type: Union Straight (inline fitting)
• Pipe size: 1/2" (outside diameter)
• Material: Copper with precision mating surfaces
• Use: Air conditioning & refrigeration copper pipe connections

Installation guidance

• Cut the 1/2" pipe square and deburr both ends.
• Clean the pipe and fitting surfaces before assembly.
• Hand-tighten, then torque to manufacturer guidance.
• Pressure-test before commissioning the system.

Good to know

• Ensure correct pipe OD and alignment before tightening.
• Complementary Smartlock elbows, reducers, and multi-angle connectors available.
• Bulk and trade pricing offered via AirconSpares UK.

Order UNST1200 online at airconspares.com for genuine Smartlock fittings, competitive prices and rapid UK dispatch.