KM680009 SIGHT GLASS Carrier Product Type_A264 This heat exchanger is designed 3750 Plain Jergens tooling This heat exchanger is designed to withstand demanding HVAC environments the SPP6 Hard Start Kit is a valuable addition to any HVAC or refrigeration system **SIGHT GLASS** Carrier's Sight Glass (KM680009) offers a clear view of fluid levels within a system **Features:** Durable construction for reliability Easy to read sight tube for clear visibility Fits various systems for versatility **Benefits:** Monitors fluid levels for optimal system performance Prevents overfilling or underfilling for longer equipment life Simplifies maintenance and troubleshooting **Applications:** Industrial machinery and equipment Hydraulic and pneumatic systems Refrigerant lines and HVAC systems Shop our HVAC supply store now for the best prices and fast shipping on Carrier's SIGHT GLASS and other industrial maintenance products