Description
The Navien 20007733B is a genuine OEM large fastener engineered specifically for Navien heating and hot water systems. Manufactured from STS304 stainless steel, this fastener delivers outstanding corrosion resistance and long-term durability in demanding hydronic and condensing appliance environments.
Product Overview
As an authorized Navien replacement part, the 20007733B ensures a precise, factory-fit installation. Its stainless steel construction resists rust, scale, and the moisture-rich conditions common in high-efficiency boiler and tankless water heater applications, making it a reliable choice for both service technicians and installers.
Key Features
- Genuine Navien OEM replacement fastener
- Material: STS304 stainless steel for superior corrosion resistance
- Dimensions: 27 x 34 x 1T (mm)
- Large size designation for correct system fit
- Designed for use in Navien condensing boiler and tankless water heater applications
- Ensures factory-spec performance and reliability
Specifications
- SKU: 20007733B
- Brand: Navien
- Material: STS304 Stainless Steel
- Dimensions: 27 mm x 34 mm x 1T mm
- Size: Large
- Part Type: Fastener
Application
This fastener is intended as a direct OEM replacement component for compatible Navien units. Always verify compatibility with your specific Navien model before installation. For best results, consult your Navien service manual or contact a qualified HVAC/plumbing technician.







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