and light oils

For technicians performing HVAC system diagnostics

For smaller 325-3 units

Engineered for high-performance sealing

such as clogged filters or internal blockages

Mueller W02055 1-3/8" OD Elbow and light oilsThe Mueller Streamline W02055 is a professional grade 1 3 8" OD copper 90 degree elbow precision engineered for critical flow redirection in HVACR systems and commercial plumbing. This wrot copper fitting features a long radius (LR) design, which significantly reduces internal turbulence and pressure drop compared to standard short radius elbows, making it ideal for maintaining high system efficiency in refrigerant discharge or suction lines. Designed