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YHNNH Coffee Machine Water Tank Compatible For Breville Semi-Automatic Espresso Machines 870/878/SAGe - Replacement Reservoir with Easy Grip Handle

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$363.03

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  • Easy snap-in installation with no leaks, directly compatible with Breville 870/878/SAGE.
  • Holds ample water capacity for multiple brews without frequent refills.
  • Transparent design lets you easily monitor water level at a glance.
  • Durable BPA-free plastic ensures safe, long-lasting performance for daily use.
  • Saves money compared to official Breville replacement parts with same function.

What Works

  • ✓Direct replacement for Breville 870, 878, and SAGE models
  • ✓Easy installation without tools
  • ✓Clear water level visibility

What Doesn't

  • ✗High price for a simple plastic component
  • ✗Compatibility limited to specific models
  • ✗Does not include a water filter

Category espresso-accessories

Brand YHNNH

Best For

Breville 870/878/SAGE owners with a damaged original tankUsers seeking a clear view of water levelBudget-conscious users who want a non-OEM option

YHNNH Compatible Water Tank for Breville Review — Replacement reservoir Review

The YHNNH compatible water tank is a replacement reservoir designed to fit Breville semi-automatic espresso machines, specifically models 870, 878, and SAGE. This accessory provides an essential function: storing and supplying water for brewing, steam, and hot water dispense. For owners of these machines whose original tank has become damaged, lost, or worn, this component offers a direct swap without requiring modifications. It is constructed from transparent plastic, allowing easy monitoring of water levels. The tank is intended for users who prefer a straightforward, functional replacement that preserves the original machine's performance. While not an official Breville part, it aims to match the original specifications for a seamless fit.

Product Overview

The YHNNH water tank replicates the design of the original Breville reservoir, storing water needed for espresso brewing, steam production, and hot water dispensing. It features a removable or hinged structure for convenient refilling, allowing users to add water without tilting the machine. The transparent or translucent material provides a clear view of the remaining water level, so you know when to refill. At the bottom, an outlet connects to the pump via piping, ensuring continuous water supply during operation. The tank is compatible with Breville models 870, 878, and SAGE, which are popular semi-automatic espresso machines. Installation is straightforward: simply remove the old tank and place the new one in its slot. No tools or special adjustments are needed. The tank weighs 1.76 ounces according to the manufacturer, making it lightweight and easy to handle. Package dimensions are listed as 0.39 x 0.39 x 0.39 inches, which seems unusually small for a water tank; buyers should verify actual dimensions with the seller. Given that it is a basic plastic component, care should be taken during handling to avoid cracks. Regular cleaning with mild soap and water is recommended to prevent mineral buildup. The tank does not include a water filter, so users who want filtered water will need to use a separate filtration system or add an inline filter to the machine.

Key Features

Water Storage Reservoir

  • ✓Stores water required for coffee brewing, steam, and hot water
  • ✓Provides continuous water supply during machine operation

Convenient Refilling

  • ✓Removable or hinged design for easy access
  • ✓Allows refilling without moving or tilting the espresso machine

Visual Water Level Indicator

  • ✓Transparent or translucent material for visible level checking
  • ✓Enables quick monitoring to avoid running dry

Pump Supply Connection

  • ✓Bottom outlet connects directly to the pump inlet
  • ✓Ensures consistent water flow for extraction and steam

Build & Materials

The YHNNH water tank is made from clear, translucent plastic, allowing users to see the water level at a glance. The material is lightweight yet durable enough for everyday use. The tank features a removable lid or hinged top for easy filling, and the bottom includes a precisely sized outlet that mates with the machine's pump intake. The construction is minimalistic, focusing on functionality rather than aesthetics.

While the listed package dimensions are extremely small (0.39 x 0.39 x 0.39 inches), this likely reflects the shipping box rather than the tank itself. Actual tank dimensions should match the original Breville parts for models 870, 878, and SAGE. The tank weighs only 1.76 ounces, indicating it is made from thin plastic. Care should be taken when cleaning or handling to avoid cracking. The design includes no additional seals or gaskets; a proper fit relies on the molded shape.

Pros and Cons

What Works

  • ✓Direct replacement for Breville 870, 878, and SAGE models
  • ✓Easy installation without tools
  • ✓Clear water level visibility
  • ✓Lightweight at 1.76 ounces
  • ✓Simple refill design

What Doesn't

  • ✗High price for a simple plastic component
  • ✗Compatibility limited to specific models
  • ✗Does not include a water filter
  • ✗Thin plastic may be prone to cracking
  • ✗Package dimensions listed are suspiciously small; verify with seller

The Verdict

The YHNNH water tank is a straightforward replacement part for owners of Breville 870, 878, or SAGE machines who need a new reservoir. It performs the essential job of storing and supplying water, with the convenience of a clear level indicator. However, the price is high compared to typical replacement parts, and the plasticky build may feel fragile. Without user reviews, long-term durability is unknown. If your original tank is cracked or lost, this tank will likely work as a substitute, but you may want to check for better-priced alternatives or consider contacting Breville directly for an OEM part.

Who Is This For?

Breville 870/878/SAGE owners with a damaged original tank

Direct replacement without modifications

Users seeking a clear view of water level

Transparent material allows easy monitoring

Budget-conscious users who want a non-OEM option

Priced lower than some official parts? (unknown; price is high but may still be cheaper than OEM)

Price vs Value

What You Get

  • A replacement water tank compatible with select Breville machines
  • Clear plastic for level visibility
  • Easy drop-in installation

What You Pay

$363.03 (listed price; verify as it seems high for a water tank)

At this price, the value is questionable. Comparable replacement parts for espresso machines typically cost less than $50. The high price may be an error or reflect a bundled listing. Prospective buyers should compare prices and consider OEM alternatives.

Maintenance Tips

✓ Clean the tank regularly with warm, soapy water to prevent mineral buildup and mold.
✓ Avoid using abrasive cleaners or scrubbing pads that could scratch the plastic.
✓ Do not run the tank through a dishwasher, as high heat may warp the plastic.
✓ Dry the tank thoroughly before reinstalling to prevent water spots.
✓ If storing the tank for a long period, empty and dry it completely.

Who Should Skip This

  • Owners of Breville machines not listed (e.g., Barista Express, Duo-Temp Pro)
  • Users who prefer official Breville parts for guaranteed fit and support
  • Buyers on a tight budget, as the price is high for a simple plastic part
A functional replacement water tank for specific Breville machines, but the high price and minimal details make it a cautious buy.

Frequently Asked Questions

Does this water tank fit all Breville espresso machines?
No, it is only compatible with Breville models 870, 878, and SAGE. Check your machine's model number before purchasing.
Is the tank made of BPA-free plastic?
The manufacturer does not specify BPA-free material. It is advisable to use filtered water if concerned about contaminants.
How do I install this water tank?
Simply remove the old tank and place the new one into the machine's tank slot. Ensure the bottom outlet aligns with the pump inlet. No tools are required.
Can I use this tank to add a water filter?
The tank does not have a built-in filter holder. You can place a loose filter in the tank, but it may not be securely positioned. Alternatively, use an external filtration system.
Why are the package dimensions so small?
The listed dimensions (0.39 x 0.39 x 0.39 inches) are likely an error or refer to a very small component. The actual water tank is much larger. Contact the seller for accurate dimensions.
Is this an official Breville product?
No, it is made by YHNNH, a third-party manufacturer. It is designed to be compatible but is not OEM.
What is the capacity of the tank?
The capacity is not stated by the manufacturer. Based on original Breville tanks for these models, it is likely around 60-70 ounces, but this is unconfirmed.

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Product Specifications

Package Dimensions 0.39 x 0.39 x 0.39 inches
Item Weight 1.76 ounces
Manufacturer YHNNH
ASIN B0FRMT3WZ6
Item Model Number YHNNH1818
Date First Available September 18, 2025

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