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La Marzocco A.5.119

La Marzocco A.5.119 KB90 Steam Valve Seat, Stainless G1/5 W/Gasket (A.5.119 + F.4.001)

Regular price $21.59

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 flawless steam functionality of your La Marzocco KB90 espresso machine with the genuine KB90 Steam Valve Seat, Stainless G1/5 W/Gasket (Part # A.5.119 + F.4.001). This essential OEM replacement addresses the common problem of a 'leaking steam wand on KB90' by providing a precision-machined, stainless steel valve seat (A.5.119) paired with the necessary high-durability gasket (F.4.001). Engineered specifically for the KB90, this component ensures a perfect, high-pressure seal, which is critical for achieving rapid, dry steam and maintaining consistent milk texturing performance. Its robust stainless steel construction offers superior longevity and corrosion resistance compared to standard materials.

The primary benefit of replacing a worn seat and gasket assembly is maintaining the machine's efficiency and steam pressure integrity. If you're wondering 'why is my KB90 steam valve dripping?' or need to 'fix low steam pressure on La Marzocco KB90,' this kit is the precise solution. By eliminating leaks, you reduce boiler wear, prevent scalding hazards, and ensure every batch of steamed milk meets the highest quality standards. The G1/5 threading ensures a straightforward installation for qualified espresso technicians, guaranteeing minimal downtime and restoring the professional-grade performance your KB90 is known for.

The technical specifications of this kit include the Stainless Steel Valve Seat (A.5.119) and the accompanying Gasket (F.4.001). This assembly is vital for the steam valve mechanism, governing the on/off flow of steam. Using this genuine OEM part from Kaldi.com ensures compatibility and protects your machine's warranty. Don't compromise on your steam system; replace worn components with the KB90 Steam Valve Seat and Gasket kit to secure reliable, high-performance steaming for years to come.

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 #A.5.119 fits La Marzocco machines, including the KB90 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 KB90 series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #A.5.119 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 kb90 steam valve seat, stainless g1/5 w/gasket (a.5.119 + f.4.001) ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #A.5.119 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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