Gianneschi RHE4BF Flange Kit for the Excelsior 4-AB Hand Pump
Anyone who has kept an Excelsior 4-AB hand pump in service for a few seasons knows that the flange connections are one of the first spots where wear starts to show. The Gianneschi RHE4BF flange kit is built specifically to restore that seal, giving the pump housing a tight, dependable connection at the counter flange without needing to replace the entire unit. It's an OEM part, so it matches the original tolerances and materials Gianneschi used when the pump was manufactured, which matters when you're relying on a hand pump to move water reliably, sometimes in an emergency.
This kit fits into the broader family of Excelsior semi-rotary wing pumps, a design that has stayed in use for decades because it's simple, rugged, and easy to service in the field. Rather than sourcing generic hardware that may not seal correctly under repeated hand-cranking pressure, this flange kit gives owners a straightforward way to keep the pump's connection points true to spec. It's a practical, low-cost way to extend the working life of a pump that's often relied upon for bilge transfer, fuel transfer, or general liquid handling tasks.
While it's commonly associated with boats and marine equipment, the Excelsior 4-AB and its flange components show up in plenty of non-marine settings too, including agricultural tanks, workshop fluid transfer, and industrial liquid handling where a manual, self-contained pump is preferred over an electric one. The RHE4BF kit is a small part, but it's the kind of detail that keeps a well-built pump running the way it was designed to.
Key Features
- Genuine OEM Gianneschi replacement flange kit
- Designed specifically for the Excelsior 4-AB semi-rotary hand pump
- Bronze construction for corrosion resistance
- Restores a tight seal at the pump's flange connection
- Simple installation using existing pump hardware
- Compatible with fresh and salt water applications
Applications
- Bilge and fresh water transfer on boats
- Fuel or liquid transfer aboard vessels
- Emergency manual water pumping
- Agricultural and workshop liquid handling
- Industrial fluid transfer where manual operation is preferred
- General maintenance and repair of Excelsior 4-AB pump units
Specifications
- Brand: Gianneschi
- Part Number: RHE4BF
- Compatible Model: Excelsior 4-AB
- Material: Bronze
- Port Size: 1-1/4" inlet, 1-1/4" outlet (Excelsior 4-AB pump compatibility)
- Category: Cooling Pumps / Hand Pump Components
- Pump Type: Semi-rotary, double acting wing pump
Frequently Asked Questions
Q: Is the Gianneschi RHE4BF flange kit an original manufacturer part?
A: Yes, it is an OEM part produced by Gianneschi specifically for the Excelsior 4-AB pump line.
Q: Can this flange kit be used on other Gianneschi pump models?
A: It is designed for the Excelsior 4-AB pump. Confirm your exact pump model before ordering to ensure a correct fit.
Q: What material is the flange kit made from?
A: The kit is made from bronze, which offers strong corrosion resistance in both fresh and salt water environments.
Q: Do I need special tools to install this flange kit?
A: No, it installs using standard hand tools along with the pump's existing mounting hardware.
Q: Is this pump limited to marine use?
A: No, the Excelsior 4-AB and its flange components are also used in agricultural, workshop, and industrial liquid transfer applications.
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