Description
Beckett 52585U Pump Bypass Plug — 1/16″
The Beckett 52585U is a 1/16″ pump bypass plug designed to seal unused bypass ports on oil burner fuel pump assemblies. When converting a two-pipe fuel oil system to a single-pipe configuration, or when a bypass port is not in use, this plug provides a secure, leak-free seal to maintain proper system pressure and prevent fuel loss.
Key Features
- 1/16″ pump bypass plug sized for Beckett oil burner fuel pumps
- Seals unused bypass ports to prevent fuel leakage
- Supports single-pipe fuel oil system configurations
- OEM Beckett part for reliable, accurate fit
- Compact design for easy installation in tight pump assemblies
- Durable construction to withstand fuel oil exposure
Application
This bypass plug is a genuine Beckett replacement part intended for use with compatible Beckett oil burner fuel pump models. It is commonly used during system conversions or as a replacement when the original plug is damaged or missing. Always verify compatibility with your specific pump model before installation.
Why Choose Beckett OEM Parts?
Beckett is a trusted name in oil burner technology. Using genuine OEM parts like the 52585U ensures your fuel pump operates at peak efficiency, maintains proper pressure, and delivers long-term reliability — protecting your investment and your customer’s comfort.







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