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La Marzocco T.1.138

La Marzocco T.1.138 TUBE, COFFEE BOILER2 TO EXPANSION VALVE2, 3GR

Regular price $52.54

This part ships directly from La Marzocco and stock is not guaranteed. Lead time averaging 7 to 9 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

Restore the hydraulic integrity of your 3-Group La Marzocco espresso machine with the genuine OEM TUBE, COFFEE BOILER2 TO EXPANSION VALVE2 (Part # T.1.138). This critical component is engineered precisely for 3GR models, forming the vital connection between the second coffee boiler and the corresponding expansion valve. If you are experiencing a leaking coffee boiler tube on your 3-Group La Marzocco, a simple hairline fracture in this piping can cause significant pressure loss, leading to inconsistent extraction quality and frustrating downtime in high-volume settings.

Manufactured to La Marzocco's exacting standards, this replacement tube ensures a perfect, leak-proof fit essential for maintaining system pressure. Replacing a worn or compromised tube guarantees reliable operation, allowing the expansion valve to correctly regulate internal pressure and prevent over-pressurization. By installing the factory-specified T.1.138 component, you effectively solve the problem of unstable espresso machine pressure and prevent damage to surrounding electronic and mechanical parts. This pipe is crucial for multi-boiler systems where precise routing and dimensions are mandatory for safety and optimal performance.

The TUBE, COFFEE BOILER2 TO EXPANSION VALVE2 (T.1.138) is an indispensable investment in preventive maintenance for your commercial equipment. Stop searching for how to fix La Marzocco 3-Group boiler leak; this genuine replacement pipe provides the exact solution needed to ensure consistent, flawless performance. Easily replace the faulty coffee boiler tube and return your machine to peak operational excellence with this essential OEM part, securing the precise fluid delivery required for world-class espresso.

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 #T.1.138 fits La Marzocco machines, including the Strada EP series. 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.

Our current database shows fitment for the Strada EP series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #T.1.138 on a model we haven't listed, please let us know so we can update our records for the community.

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 La Marzocco including this tube, coffee boiler2 to expansion valve2, 3gr ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #T.1.138 is a 100% genuine OEM component sourced directly from the La Marzocco factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for La Marzocco parts typically range from 7 to 9 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All La Marzocco parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All La Marzocco parts come with a 30 day return policy. Please see our refund policy or chat for more details.

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