Ensure optimal system performance with the Lennox 73W21 (part number 102958-01) Sight Glass. This durable and reliable component provides a clear view of refrigerant conditions, allowing HVAC technicians to easily monitor moisture content and refrigerant flow. Designed specifically for Lennox systems, it supports accurate diagnostics and efficient service operations.Key Specifications:
- Part Number: 73W21
- Manufacturer Number: 102958-01
- Component Type: Sight Glass
- Function: Visual indicator of refrigerant flow and moisture levels
- Application: Refrigeration and HVAC systems
- Construction: Corrosion-resistant brass body with clear glass window
- Installation: Braze-in or flare-type configuration depending on system setup
