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Tone 900903

Tone 900903 3/8" Tube Od X 1/4" Tube Od Reducing Union Connector (John Guest)

Regular price $5.98

This part ships directly from Tone and stock is not guaranteed. Lead time averaging 3 to 5 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

The Tone 900903 3/8" Tube OD x 1/4" Tube OD Reducing Union Connector by John Guest is a high-quality, precision-engineered component designed to facilitate seamless fluid transitions within your professional brewing equipment. This genuine OEM part ensures a leak-proof connection between different tubing sizes, maintaining the hydraulic integrity and pressure stability required for consistent espresso extraction. By utilizing John Guest’s renowned push-fit technology, this connector allows for quick, tool-free installation, significantly reducing maintenance time and ensuring your Tone equipment remains operational in high-volume environments.

Constructed from durable, food-grade materials, this reducing union connector is specifically built to withstand the rigorous demands of specialty coffee service. The 3/8" to 1/4" reduction capability offers essential versatility for technicians performing custom installs or routine repairs, providing a secure fit that prevents accidental disconnections and pressure drops. Investing in authentic Tone spare parts guarantees that your machinery continues to meet factory performance standards, protecting your sensitive internal components from the risks associated with inferior, generic fittings.

This Tone 900903 connector is fully compatible with Tone brewing systems and other professional coffee machinery requiring standard John Guest specifications. Its robust design is optimized for both water and air applications, making it a vital component for your preventative maintenance kit. Available at Kaldi.com, this genuine part #900903 provides the reliability and peace of mind that professional baristas and technicians expect. Ensure your coffee setup operates at peak efficiency by choosing only the highest quality connectors designed for the unique pressures of the specialty coffee industry.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #900903 fits Tone machines. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Compatibility for this specific Tone part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Parts from Tone including this 3/8" tube od x 1/4" tube od reducing union connector (john guest) ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #900903 is a 100% genuine OEM component sourced directly from the Tone factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Tone parts typically range from 3 to 5 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Tone parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Tone parts come with a manufacturer's return policy. Please see our refund policy or chat for more details.

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