MRCOOL WF-34 Flare-to-Weld Fitting For Air Handler Connections

The MRCOOL WF-34 Flare-to-Weld Fitting for Air Handler Connections is an HVAC connection accessory designed to provide a secure transition between flared and welded refrigerant line connections. It works by creating a reliable, leak-resistant connection that allows proper refrigerant flow between compatible air handlers and refrigerant piping. Commonly used with MRCOOL air handlers, split-system air conditioners, and heat pump systems, this fitting simplifies installation, supports system integrity, helps prevent refrigerant leaks, improves long-term reliability, and contributes to efficient HVAC performance and dependable indoor comfort.