49L04 | Sight Glass | Lennox

Lennox Sight Glass for HVAC Systems (49L04)The Lennox 49L04 Sight Glass is a crucial component for monitoring the refrigerant flow and condition in HVAC systems. This sight glass allows visual inspection of the refrigerant, providing valuable information for troubleshooting, maintenance, and system performance optimization. Crafted from durable materials, the 49L04 Sight Glass withstands the rigors of HVAC environments, ensuring reliable performance over an extended lifespan. Its compact design makes it an ideal fit for various HVAC systems, offering easy installation and maintenance. The Lennox Sight Glass allows technicians to quickly identify refrigerant level, detect leaks, and monitor refrigerant condition. The visual confirmation of refrigerant flow helps maintain optimal system performance, prevent refrigerant loss, and ensure efficient operation. This sight glass is compatible with a wide range of Lennox HVAC systems and is a valuable tool for any industrial engineer or maintenance professional. By providing a clear and reliable view of the refrigerant flow, the 49L04 Sight Glass helps optimize system maintenance and ensure efficient operation. Shop now at our HVAC supply store for the best prices and fast shipping on Lennox HVAC products!