Galley Maid SL-7 Rotor | Part No. 40/002/00/00272

Galley Maid SL-7 Rotor — Genuine OEM Replacement for SL-7 Delta Head Pump Systems

The Galley Maid SL-7 Rotor (Part No. 40/002/00/00272) is the factory-correct brass rotor designed to work inside the SL-7 series pump end found on Galley Maid Delta Head systems. As the core rotating element of the pump, the rotor works in tight coordination with the rubber stator to create the pressure and flow the pump is engineered to deliver. When the rotor begins to wear — often showing up as reduced pressure, inconsistent flow, or audible change in pump operation — replacing it with the genuine Galley Maid part restores the pump to its original performance without the cost or downtime of a full pump replacement.

Galley Maid has built a reputation for producing some of the most durable and reliable pump systems in the industry, and the SL-7 Rotor reflects that same standard. Made in the USA from corrosion-resistant brass, this rotor is precision machined to fit directly into the SL-7 ED pump nose housing. Whether you're doing scheduled maintenance or troubleshooting a system that has lost pressure, swapping in a new SL-7 Rotor alongside a fresh stator and seal set is often all it takes to bring the pump back to full working condition. It's a straightforward repair that any mechanically inclined owner or technician can handle with basic hand tools and a proper guide.

Key Features

• Genuine OEM Galley Maid replacement rotor for SL-7 pump ends
• Precision-machined brass construction for corrosion resistance and long service life
• Designed to work in matched-pair operation with the SL-7 rubber stator
• Direct drop-in fit for SL-7 ED Delta Head pump nose housing
• Manufactured in the USA to Galley Maid factory standards
• Compatible with the full range of Galley Maid Delta Head pump voltages (12V DC, 24V DC, 32V DC, 115V AC)

Applications

• Replacement rotor for Galley Maid SL-7 series pump ends
• Repair and rebuild of Galley Maid Delta Head sewage and water pressure pump systems
• Routine maintenance for SL-7 pump assemblies showing wear, pressure loss, or reduced output
• Field repair of SL-7 ED pump nose assembly
• Compatible with both fresh water pressure systems and sanitation pump assemblies using the SL-7 pump end

Specifications

• Manufacturer: Galley Maid Marine Products, Inc.
• Part Number: 40/002/00/00272
• Compatible Model: SL-7 / SL-7 ED pump end
• Material: Brass
• Function: Positive displacement pump rotor; rotates inside the rubber stator to generate pressure and flow
• Sold as: Individual rotor (stator and seal sold separately)

Frequently Asked Questions

Q: What is the difference between the SL-7 Rotor and the MR-7 Rotor?
The SL-7 and MR-7 are two different Galley Maid pump models with different physical dimensions and internal designs. The SL-7 Rotor (Part No. 40/002/00/00272) is specifically engineered for the SL-7 and SL-7 ED pump ends, while the MR-7 Rotor fits the MR-7 series pump. They are not interchangeable, so always confirm your pump model before ordering.

Q: Do I need to replace the stator when I replace the SL-7 Rotor?
It is strongly recommended. The rotor and stator work as a matched pair, and if the rotor has worn to the point of replacement, the stator's rubber interior has likely experienced similar wear. Replacing both at the same time — along with the seal set — ensures the pump performs correctly and reduces the chance of a repeat service call in the near future.

Q: Can I install the SL-7 Rotor myself, or does this require a technician?
The SL-7 Rotor replacement is a straightforward repair that a mechanically comfortable owner or maintenance technician can perform. The process involves removing the nose cone housing, extracting the old rotor, cleaning the brass area, and installing the new rotor before reassembly. Following the correct procedure for seal removal and reinstallation is important to avoid damage during reassembly.

Q: Will this rotor fit all voltages of the Galley Maid Delta Head pump?
Yes. The SL-7 Rotor is a mechanical component of the pump end and is not voltage-dependent. It is compatible with all voltage variants of the Galley Maid Delta Head pump system that use the SL-7 pump end, including 12V DC, 24V DC, 32V DC, and AC models.

Q: How do I know if my SL-7 Rotor needs to be replaced?
Common signs of rotor wear include a pump that runs but fails to build adequate pressure, reduced flow output at faucets or fixtures, unusual sounds from the pump nose assembly, or visible scoring and surface degradation on the brass rotor when the pump nose is opened for inspection. Dry running — operating the pump without water — is the most common cause of premature rotor failure.