Home » Wunder-Bar FR-28-E EPDM O-Ring for Ceramic Cylinder Manifold Seal

Wunder-Bar FR-28-E EPDM O-Ring for Ceramic Cylinder Manifold Seal

Ask a question Item # 12Q08113 In stock

Wunder-Bar FR-28-E EPDM O-Ring for Ceramic Cylinder Manifold Seal

Ask a question Item # 12Q08113
In stock
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  • Genuine Wunder-Bar Replacement: The FR-28-E O-ring is the OEM-spec seal for ceramic flow regulator cylinders.
  • High-Durability EPDM Material: Engineered to withstand the acidic environment of soda syrups and the friction of moving manifold parts.
  • Ensures Perfect Drink Ratio: Maintains the pressure-tight seal necessary for consistent beverage brix and carbonation levels.
  • Leak-Proof Manifold Repair: Designed to stop internal bar gun leaks and prevent syrup "creep" during idle periods.
  • Professional Grade Seal: An essential beverage equipment repair part for technicians maintaining Wunder-Bar post-mix systems.

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The Wunder-Bar FR-28-E is a high-precision EPDM O-ring specifically engineered for the ceramic cylinder seals found in Wunder-Bar™ flow regulator manifolds. This specialized seal is a critical component for maintaining the pressurized integrity of the bar gun's "brain," where syrup and soda water flow rates are calibrated. Manufactured from high-grade EPDM (Ethylene Propylene Diene Monomer), this O-ring offers superior resistance to the repetitive mechanical friction of the ceramic cylinder and the corrosive effects of carbonated water and high-sugar concentrates. Its precise durometer rating ensures a drip-free seal while allowing the internal regulator components to move smoothly during dispensing.

  • Model Number: FR-28-E (Genuine Wunder-Bar™ Part)
  • Material: High-Performance EPDM (Food-Grade)
  • Application: Direct seal for Ceramic Cylinder Flow Regulators
  • Compatibility: Designed for Wunder-Bar™ Flow Regulator Manifolds
  • Chemical Resistance: Excellent resistance to CO2, phosphoric acid (soda), and sanitizing solutions
  • Function: Prevents internal manifold leaks and maintains consistent beverage brix/ratio
  • Durability: Engineered for long-life performance under constant system pressure
Technician's Note: If your bar gun is "self-dispensing" (creeping) or if you see moisture pooling around the regulator adjustment screws, the FR-28-E O-rings are likely fatigued or flattened. When rebuilding a ceramic manifold, always replace the O-rings in complete sets. It is vital to use a 100% silicone-based food-grade lubricant (like Haynes Lubri-Film) during installation. Never use petroleum-based lubricants (like Vaseline), as they will cause the EPDM material to swell and eventually degrade, leading to a jammed regulator and inconsistent drink quality.

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