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Bunn 43500.1638

Bunn 43500.1638 Foam Cardboard Bw3 Ctm-Ru

Regular price $189.30

This part ships directly from Bunn and stock is not guaranteed. Lead time averaging 4 to 6 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

BUNN FOAM CARDBOARD BW3 CTM-RU (43500.1638) is an essential replacement part designed specifically for BUNN coffee machines, ensuring optimal performance and longevity of your brewing equipment. Crafted from high-quality foam cardboard, this component provides superior insulation and cushioning within the machine, helping to maintain consistent brewing temperatures and reduce heat loss. Its precise engineering guarantees a perfect fit for compatible BUNN models, making installation quick and hassle-free for both professional baristas and home coffee enthusiasts.

With the BUNN FOAM CARDBOARD BW3 CTM-RU, users benefit from improved thermal efficiency that contributes to a richer, more balanced coffee extraction every time. This part aids in maintaining the integrity of the machine’s internal components by minimizing vibrations and shock during the brewing process, which can extend the lifespan of your coffee maker. Its durable foam material is resistant to moisture and wear, ensuring reliable performance even under high-volume usage conditions commonly seen in cafes and coffee shops.

This replacement foam cardboard measures precisely to fit BUNN models requiring the BW3 CTM-RU part number (43500.1638), making it an ideal choice for routine maintenance or repair. Whether you are servicing commercial or residential BUNN coffee machines, this part is key to sustaining consistent brew quality and machine stability. Available now at Kaldi.com, the BUNN FOAM CARDBOARD BW3 CTM-RU offers a cost-effective solution to keep your coffee machine running smoothly, delivering the perfect cup with every brew.

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 #43500.1638 fits Bunn 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 Bunn 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 Bunn including this foam cardboard bw3 ctm-ru ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #43500.1638 is a 100% genuine OEM component sourced directly from the Bunn factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Bunn parts typically range from 4 to 6 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Bunn parts come with a 730-day manufacturer's warranty. Contact us for specific warranty details.
All Bunn parts come with a 30 day return policy. Please see our refund policy or chat for more details.

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