Description
The Lennox 49J23 is a 12-pack of Teflon (PTFE) O-rings designed as genuine OEM replacement sealing components for compatible Lennox HVAC equipment. Teflon O-rings are widely used in HVAC and refrigeration applications where superior chemical resistance, low friction, and long-term sealing integrity are required. Stocking a multi-pack ensures technicians and service professionals have the right seal on hand for routine maintenance, repairs, or system overhauls — minimizing downtime and return trips.
Key Features
- Genuine Lennox OEM replacement O-rings
- Teflon (PTFE) construction for excellent chemical and heat resistance
- Resistant to refrigerants, oils, and common HVAC system fluids
- Low friction material helps prevent wear and extends service life
- Convenient 12-pack quantity for service van stocking and bulk repairs
- Designed to maintain a reliable, leak-free seal in compatible Lennox systems
Application
Ideal for HVAC technicians servicing Lennox equipment who need dependable replacement seals. Teflon O-rings are suitable for use in environments exposed to refrigerants, lubricating oils, and varying temperatures — making them a trusted choice for both preventive maintenance and emergency repair situations.
Product Details
- Brand: Lennox
- Part Number: 49J23
- Material: Teflon (PTFE)
- Quantity: 12-Pack
- Application: Replacement seals for compatible Lennox HVAC systems







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