Krups KM209D50 Coffee Maker: Keep the Java Flowing for the Whole Crew

Published on Oct. 18, 2023, 8:05 a.m.

Krups KM209D50 Coffee Maker: Keep the Java Flowing for the Whole Crew

Krups, a German brand with over 200 years of history, has been brewing up kitchen innovation since 1846. From its humble beginnings in Solingen, Krups has consistently introduced a variety of high-quality home appliances, with coffee makers being a particular point of pride in their product line. As technology has advanced, so too have Krups’ coffee machines, evolving from simple manual brewers to today’s feature-rich automatic models. Krups remains at the forefront of coffee maker innovation. Now, Krups has created the KM209D50, a programmable drip coffee machine designed to deliver delicious java for a crowd. This 14-cup brewer with a thermal carafe aims to satisfy the coffee needs of the whole family or office. Keep reading to see if this coffee maker is the MVP your morning routine needs.

 Krups KM209D50 Simply Brew Stainless Steel and Thermal Carafe Drip Coffee Maker


The sleek stainless steel and black Krups KM209D50 Simply Brew Drip Coffee Maker can brew up 14 cups of piping hot joe. The 1.8 liter thermal carafe keeps your brew hot for up to 4 hours after it’s done, so you can enjoy cup after cup of fresh coffee.
The coffee maker isn’t just about function, it’s also about style. Its sleek stainless steel and black finish complements any kitchen decor. A fingerprint-resistant coating makes it easy to clean and keeps it looking shiny and new.

Key Features

  • Programmable brewing with 24-hour timer
  • Three customizable brew strengths (mild, medium, bold)
  • Generous 68 oz water reservoir for easy filling
  • Anti-drip carafe
  • Small batch setting for brewing less than 4 cups
  • Cleaning alert
  • Dishwasher safe carafe and permanent filter

Coffee Science and Brewing Principles

How Coffee Brewing Works

The Krups KM209D50 utilizes drip brewing technology, a method where hot water is evenly distributed over coffee grounds, allowing gravity to pull the water through and extract the coffee solubles into the carafe below. This method balances efficiency with flavor extraction, making it ideal for brewing large quantities without sacrificing taste.

Beyond water temperature, the grind size of your coffee also impacts extraction. The KM209D50 can handle various grinds, but the ideal grind size depends on personal taste and the type of coffee bean. Generally, a finer grind is suitable for shorter brew times, while a coarser grind works well for longer brew times. Additionally, the ratio of water to coffee is crucial. The golden ratio is typically 18 grams of coffee per 300 milliliters of water, but this can be adjusted to suit individual preferences.

Importance of Water Temperature and Quality

The optimal water temperature for brewing coffee is between 195°F to 205°F. The KM209D50 ensures that water heats to this range, facilitating maximum flavor extraction without burning the coffee. Additionally, using filtered water can significantly improve the taste by removing impurities that can alter the flavor profile of the coffee.

Cultural and Historical Context of Coffee Makers

Evolution of Coffee Makers

From the early Turkish ibrik to today’s high-tech drip coffee machines, coffee makers have evolved significantly. The first automatic drip brew coffee maker for home use was introduced in 1972, revolutionizing coffee drinking by making it more accessible and convenient for the average consumer. The KM209D50 represents the culmination of decades of innovation, offering programmability and thermal efficiency to meet modern needs.

Coffee in Culture

Coffee culture has spread globally, with each region developing its own preferences and brewing methods. The programmable features of modern machines like the KM209D50 cater to this diversity by allowing users to customize brew strength and timing, reflecting the personalized approach to coffee that has become a significant part of contemporary lifestyles.

Brew Performance

Reviewers praise the Krups KM209D50 Simply Brew Drip Coffee Maker for brewing a delicious cup of joe. The bold setting stands out for producing an intense, flavorful brew. Even when using the small batch mode to make 4 cups, the coffee still tastes fantastic. The coffee maker comes equipped with a permanent filter, eliminating the need for disposable paper filters, making it both eco-friendly and cost-effective.

Anti-Drip Carafe

The Krups KM209D50’s carafe features a special spout design that effectively prevents coffee from dripping when pouring. This function not only keeps your kitchen countertop clean but also avoids wasting coffee. The anti-drip feature is primarily achieved through the special shape and internal structure of the spout, ensuring that the coffee flows smoothly without accumulating or dripping at the spout.


With simplified controls and a 24 hour programmable timer, the KM209D50 makes it easy to brew coffee whenever you want it. The water reservoir design minimizes spills during filling. The thermal carafe keeps coffee hot for hours, and its special spout prevents annoying drips while pouring. Additionally, the coffee maker features a cleaning alert that reminds you when it’s time to descale, ensuring optimal performance and longevity of the machine.
The generous 68 oz (2 liter) water reservoir has a wide opening for easy filling and less mess.

Programmable Brewing

The Krups KM209D50’s programmable brewing feature offers users unparalleled convenience. Simply set the time the night before, and the coffee maker will automatically start brewing at your desired time, allowing you to wake up to the aroma of freshly brewed coffee. This functionality is made possible by the built-in timer and automatic start mechanism. When the timer reaches the preset time, the automatic start mechanism activates the coffee maker’s heating and brewing functions, initiating the brewing process. This feature is a boon for those with busy schedules and limited time in the mornings.

Customizable Coffee Strength

The Krups KM209D50 offers three different brew strength options: mild, medium, and bold. This feature allows you to tailor the coffee’s strength to your taste preferences and the type of coffee beans you are using. The coffee’s strength is primarily determined by the ratio of coffee grounds to water and the extraction time. When you select the “bold” mode, the coffee maker increases the ratio of coffee grounds to water or extends the extraction time, resulting in a stronger cup of coffee. Conversely, selecting the “mild” mode does the opposite.

Small Batch Setting and Pause Function

In addition to its large 14-cup capacity, the Krups KM209D50 also has a “small batch” setting, which is suitable for brewing less than 4 cups of coffee. This function ensures optimal extraction and flavor even when brewing small amounts of coffee. Furthermore, the pause function allows you to pause the brewing process at any time, pour a cup of coffee, and then resume brewing without having to wait for the entire process to complete, making it extremely convenient.

 Krups KM209D50 Simply Brew Stainless Steel and Thermal Carafe Drip Coffee Maker

Energy Efficiency and Electrical Specifications

The Krups KM209D50 operates at 1000 watts, making it a powerful yet energy-efficient appliance for everyday use. This wattage ensures that the coffee maker heats water quickly, reducing wait times and electricity usage. It is compatible with standard household electrical outlets without requiring any special arrangements. Such features are crucial for consumers looking to balance power with energy conservation in their kitchen appliances.

 Krups KM209D50 Simply Brew Stainless Steel and Thermal Carafe Drip Coffee Maker

Versatility in Different Settings

The Krups KM209D50 is not only perfect for large households but also excellently suited for office environments where the demand for coffee is continuous and varied. The programmable feature allows for setting up coffee readiness aligned with break times, and its large capacity ensures that multiple cups can be served quickly without the need for frequent refills. This makes the KM209D50 a versatile choice for both home and professional settings, delivering high-quality coffee that meets the dynamics of different coffee drinking crowds.

Large Water Reservoir

The generous 68-ounce (approximately 2-liter) water reservoir reduces the need for frequent refills. The wide opening also makes the filling process more convenient and reduces the risk of spills. This thoughtful design is especially suitable for large households or offices, as it can brew enough coffee to satisfy multiple people in a single brew.

Cleaning Alert and Dishwasher Safe Parts

The Krups KM209D50 has a cleaning alert function that reminds you when it’s time to descale, ensuring optimal performance and prolonging the life of the machine. The carafe is dishwasher safe, and the permanent filter is also easy to clean, eliminating the need to purchase disposable paper filters, making it both environmentally friendly and cost-effective.

Ideal Use Cases

With its large 14 cup capacity and 4 hour heat retention, the Krups KM209D50 Simply Brew Drip Coffee Maker is perfect for:

  • Large households who need lots of coffee for hectic mornings
  • Entertaining crowds and keeping everyone caffeinated
  • Catering events, office meetings, clubs, and other large gatherings
  • Brewing a full pot then drinking it leisurely over several hours

User Feedback Analysis

With over 17,000 reviews, this popular model has generated abundant feedback. Satisfied buyers say:

  • “This baby brews a superb cup of coffee - hot, robust, and flavorful!”
  • “The thermal carafe does an amazing job keeping my morning brew piping hot for hours.”
  • “I love the customizable brew strengths and how easy it is to get coffee just the way I like it.”
  • “The sleek stainless steel design looks fantastic on my countertop and fits with any décor.”

Critical reviewers point out:

  • “No matter how careful I am, coffee drips and spills every time I pour from the carafe.”
  • “The coffee only stays hot in the thermal carafe for 2 hours max - I expected longer heat retention.”
  • “I wish it had an automatic shutoff for safety, since it’s easy to forget to turn it off.”
  • “14 cups is more like 10 actual cups once you pour them out.”

Looking at all the feedback, the overwhelming praise for tasty brews and easy operation seems to outweigh the drawbacks for most buyers. But those wanting maximum heat retention or drip-proof pouring may be disappointed. Overall, users seeking a high-capacity, programmable brewer that makes delicious coffee will be very satisfied with this Krups model.

Pros and Cons

- Large 14 cup capacity
- Programmable 24h brewing
- 3 customizable brew strengths
- 4 hour heat retention
- Small batch setting
- Removable filter basket

- Carafe may leak/spill
- Heat loss after 2-3 hours
- No automatic shut-off feature


With impressive features like a programmable timer, adjustable brew strength, and 4 hour heat retention, the Krups KM209D50 Simply Brew Drip Coffee Maker provides excellent value. Its large capacity and thermal carafe make it competitive with more expensive models. The brand reputation also lends confidence in its quality. Furthermore, Krups is renowned for its durable kitchen appliances, and this coffee maker is no exception. Its robust construction and high-quality materials ensure it will last for years to come. Overall, it’s a smart buy for budget-friendly family sized brewing power.


The Krups KM209D50 Simply Brew Drip Coffee Maker is a powerful, easy-to-use coffee maker that is perfect for large households or office settings. While it has a few minor drawbacks, its benefits far outweigh its shortcomings, making it an excellent value for the price. If you are looking for a high-quality, large-capacity coffee maker, the Krups KM209D50 is definitely worth considering.

Detailed Specifications

  • Model Number: KM209D50
  • Dimensions: 9.5”D x 7.3”W x 14.41”H
  • Material: Stainless steel, enhancing durability and ease of cleaning.
  • Wattage: 1000 watts, for efficient heating and brewing.
  • Capacity: 14 cups (1.8 L), ideal for serving large groups.
  • Carafe Material: Stainless steel, vacuum insulated to maintain temperature without external heating.
  • Interface: Buttons, for straightforward operation.
  • Programmable: Yes, with a 24-hour timer, accommodating busy schedules.
  • Settings: Regular brew, small batch, bold, accommodating different taste preferences.
  • Safety Features: Includes automatic features such as cleaning alerts and programmable auto-off to enhance user safety and maintain machine longevity.

Box Contains

  • KM209D50 coffee maker
  • 14 cup thermal carafe
  • Reusable filter basket
  • Measuring spoon

Warranty Information

Krups offers a 2-year warranty on the KM209D50 coffee maker, and the product is repairable by Krups both during and after the warranty period.

Simple English User Guide for Krups KM209D50

Getting Started

  • Unpacking: Carefully remove the coffee maker from the box and remove all packaging materials.
  • Setup: Place the coffee maker on a stable, level surface away from direct heat sources.
  • Initial Cleaning: Wash the carafe and filter basket in warm soapy water, then rinse and dry.

Daily Use

  • Filling Water Reservoir: Open the top lid and pour fresh, cold water into the reservoir up to the desired level using the measurement markings.
  • Adding Coffee: Insert the reusable filter into the basket. Add ground coffee to the filter — a general rule is one tablespoon per cup.
  • Programming Your Coffee Maker: Press the ‘PROGRAM’ button to set the time you’d like your coffee to start brewing. This can be done up to 24 hours in advance.
  • Selecting Brew Strength: Choose from mild, medium, or bold by pressing the ‘STRENGTH’ button.
  • Starting the Brew Cycle: Press the ‘START’ button. The coffee will begin brewing and the machine will beep when the brewing cycle is complete.


  • Cleaning: Regular cleaning is crucial for the maintenance and performance of your coffee maker. Ensure the carafe and filter basket are cleaned after each use.
  • Descaling: Depending on the hardness of your water, descale the machine every 3-6 months to prevent mineral buildup.
  • Cleaning the Water Reservoir: Clean the water reservoir regularly to ensure clean water and prevent the buildup of odors or bacteria.

Safety Tips

  • Do Not Overfill: Never exceed the maximum water line in the reservoir to avoid overflow.
  • Hot Surfaces: Be careful when touching the coffee maker during and after use as surfaces may be hot.
  • Electrical Safety: Always plug the appliance directly into a wall outlet. Avoid using an extension cord.


  • Coffee not brewing: Ensure the coffee maker is plugged in and the lid is closed securely.
  • Coffee dripping slowly: This might be a sign to descale your machine or check if the coffee is ground too finely.
  • Machine not turning on: Check if the outlet is working or if the coffee maker needs to be reset.

This guide will help you make the most out of your Krups KM209D50, ensuring you enjoy perfect coffee every time.”