1R003C-4EH - Webster - Single Stage Pump

The Webster 1R003C‑4EH Single‑Stage Fuel Oil Pump is a reliable R‑Series pump designed for efficient and consistent fuel delivery in residential and light commercial oil‑fired heating systems. Built for durability and smooth operation, this pump runs at 1725 RPM and delivers approximately 31 GPH at 100 PSI, making it well suited for standard oil burner applications requiring stable pressure and dependable flow.

This model features counter‑clockwise (CCW) rotation with a left‑side nozzle location, ensuring compatibility with a wide range of burner configurations and simplifying replacement installations. The single‑stage design provides straightforward operation and dependable performance in systems where a two‑stage pump is not required.

As part of Webster’s proven R Series, the 1R003C‑4EH is engineered with high‑quality internal components for long service life and reduced maintenance. It is commonly used in oil‑fired furnaces and boilers where consistent fuel transfer and reliability are critical to system performance.

Trusted by HVAC professionals, the Webster 1R003C‑4EH delivers proven performance, ease of installation, and long‑term value—making it an excellent choice for service replacements or new heating system installations