Description
The Rheem-Ruud RTG20201 is a purpose-built appliance adapter with an integrated drain designed for use with 3″/5″ concentric venting systems. This OEM component ensures a secure, leak-free transition at the appliance connection point while providing a dedicated condensate drain path — a critical feature for high-efficiency, condensing appliances that produce flue gas condensate during operation.
Key Features
- Designed for 3″ inner / 5″ outer concentric vent configurations
- Integrated drain port for proper condensate management
- OEM Rheem-Ruud replacement part for reliable, manufacturer-approved fit
- Ensures airtight appliance-to-vent connection, maintaining system efficiency and safety
- Compatible with condensing water heaters and boilers requiring concentric venting
- Durable construction engineered to withstand flue gas temperatures and corrosive condensate
Application
The RTG20201 is ideal for service technicians and installers replacing or upgrading the appliance vent adapter on Rheem or Ruud condensing water heaters and boilers. The built-in drain fitting directs condensate away from the vent connection, preventing moisture buildup and protecting the appliance and surrounding structure.
Product Specifications
- SKU: RTG20201
- Brand: Rheem-Ruud
- Vent Size: 3″ inner diameter / 5″ outer diameter (concentric)
- Type: Appliance Adapter with Drain
- Application: Condensing water heaters and boilers







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