Lennox 17W79 Service Valve R-134A the 290/185# rating is specifically

the 290/185# rating is specifically calibrated for high-side protection

While they can function in vertical lines with upward flow

making the 560-528-980 essential for routine burner manifold maintenance

and AKR series

Lennox 17W79 Service Valve R-134A the 290/185# rating is specificallyThe Lennox 17W79 Service Valve is a critical HVAC refrigeration component designed for precise flow control and system isolation during routine maintenance or emergency repairs. This 7 8" ODF sweat connection valve features a 45 degree angled port, providing superior access in tight cabinet configurations common in Lennox commercial rooftop units and residential split systems. Engineered for high pressure R 410A refrigerant environments, this brass