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La Marzocco T.1.173 Expansion Valve Tube, Linea PB w/ Scales | Fits Linea PB

Name: La Marzocco T.1.173 Expansion Valve Tube, Linea PB w/ Scales | Fits Linea PB
Brand: La Marzocco
SKU: LM:T.1.173
Price: 22.39 USD
Availability: InStock

$22.39

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

The Expansion Valve Tube Part # T.1.173 is the critical, OEM replacement component designed exclusively for the La Marzocco Linea PB espresso machine equipped with integrated scales. This high-precision tube is responsible for managing internal hydraulic pressure within the steam or coffee boiler systems, connecting directly to the expansion valve to safely and accurately regulate pressure fluctuations. Ensuring compatibility with the specialized scale-equipped Linea PB model, this genuine La Marzocco part guarantees perfect fitment and reliable performance, which is crucial for maintaining factory specifications in high-volume commercial environments.

If you are experiencing inconsistent pressure release or are asking, "Why is my La Marzocco Linea PB leaking pressure?", a faulty or corroded expansion valve tube is often the culprit. The T.1.173 tube is constructed from durable, high-grade material engineered to resist thermal stress and corrosion associated with continuous high-pressure water exposure. Its specific geometry and proprietary fittings are essential to maintaining the factory integrity of your system, ensuring that the critical 9-bar brewing pressure and boiler safety mechanisms function flawlessly. This component restores the precise pressure management necessary for consistent, high-quality espresso extraction on your scaled machine.

Installing this genuine OEM Expansion Valve Tube minimizes the risk of catastrophic component failure and unexpected downtime in your high-volume café. Routine replacement of vital components like the T.1.173 tube is key for preventative maintenance, extending the lifespan of your machine and helping you avoid the common "how to fix La Marzocco boiler overpressure" issue. Invest in this essential La Marzocco part today to restore optimal hydraulic stability and guarantee the precision engineering your Linea PB with Scales was built upon.

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

Is this expansion valve tube, linea pb w/ scales compatible with my La Marzocco machine?

This Part #T.1.173 fits La Marzocco machines, including the Linea PB 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.

Does this part fit any La Marzocco model not listed above?

Our current database shows fitment for the Linea PB series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #T.1.173 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.

Is this La Marzocco part T.1.173 in stock?

Parts from La Marzocco including this expansion valve tube, linea pb w/ scales ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.

Is this a genuine La Marzocco factory part?

Yes. Part #T.1.173 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.

What is the lead time for La Marzocco parts?

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.

What is the warranty on La Marzocco parts?

All La Marzocco parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.

What is the return policy on La Marzocco parts?

All La Marzocco parts come with a 30 day return policy. Please see our refund policy or chat for more details.