Reducing Coupler

Reducing Coupler – Vulkan Lokring Push-Fit Reducing Fitting

The Vulkan Lokring Reducing Coupler is a high-quality push-fit fitting designed to join two refrigerant tubes of different diameters quickly and securely — no brazing or soldering required. Part of the trusted Vulkan Lokring system, it delivers a reliable, leak-free connection for HVAC and refrigeration line sets where a diameter transition is needed.

Specifications

• Brand: Vulkan
• SKU: 13004773
• Type: Lokring Push-Fit Reducing Coupler
• Product Type: Lokring Accessory / Refrigerant Fitting
• Available Sizes:
  • 3/8" – 1/4"
  • 5/8" – 1/2"
  • 1" – 3/4"

Key Benefits

• No brazing or soldering required — push-fit installation saves time and eliminates open-flame risk
• Creates a secure, leak-free connection between two different diameter refrigerant tubes
• Available in 3 size combinations to suit common HVAC refrigerant line diameter transitions
• Compatible with LokPrep preparation fluid for optimal connection integrity
• Ideal for repairs and modifications where brazing is impractical or not permitted
• Durable construction for reliable long-term performance in refrigerant systems

Ideal For

• Joining different diameter refrigerant tubes in HVAC and refrigeration line sets
• Air conditioning and heat pump system installation and repair
• Applications where brazing is not practical or permitted
• Technicians using the Vulkan Lokring push-fit system

Transition between tube sizes fast and safely — the Vulkan Lokring Reducing Coupler is the no-braze solution for reliable, leak-free diameter transitions in any HVAC refrigerant line set.