If your De’Longhi espresso machine is leaking water, it can disrupt your daily coffee routine and cause potential damage. Fortunately, most leaks are fixable with some simple troubleshooting steps. This guide provides clear, safe instructions to identify the cause and resolve water leaks effectively.
Before you start, ensure your machine is unplugged for safety and that you have basic tools like a towel, a screwdriver, and possibly replacement parts or filters on hand.
Key Takeaways
| Identify the Leak Source | Pinpoint whether the leak is from the water tank, hoses, or seals. |
| Check the Water Tank and Connections | Loose or damaged water tanks are common causes of leaks. |
| Inspect Seals and Gaskets | Worn or damaged seals can lead to water escaping during operation. |
| Perform Regular Maintenance | Descale and replace filters to prevent buildup that causes leaks. |

De'Longhi Magnifica Evo Next Fully Automatic Espresso Machine - Programmable Coffee Maker with Grinder and Milk Frother - Hot & Cold Brewer for Espresso, Latte, Cappuccino, Americano, Tea and More
#1 Super Automatic Espresso Maker in the US*, *Source: Circana Retail Tracking Service, Unit Share, Jan. 2025 -...
As an affiliate, we earn on qualifying purchases.
Step 1: Unplug and Prepare Your Machine
- Turn off and unplug the espresso machine to ensure safety during inspection.
- Remove the water tank carefully, noting how it fits into the machine.
- Place a towel or tray beneath the machine to catch any residual water.

De'Longhi Replacement Water Filter for Select Espresso Machines, DLSC002
Designed to optimize the water quality
As an affiliate, we earn on qualifying purchases.
Step 2: Inspect the Water Tank and Connections
- Check if the water tank is seated properly and securely in place.
- Look for cracks, damage, or warping in the tank or its lid.
- Ensure the water inlet and outlet connections are tight and free of debris.
Step 3: Examine Seals, Gaskets, and Hoses
- Inspect all visible seals and gaskets for cracks, wear, or displacement.
- Replace any damaged or worn seals with genuine De’Longhi replacement parts.
- Check hoses for leaks, cracks, or loose fittings, tightening or replacing as needed.
Step 4: Clean and Descale Your Machine
Accumulated mineral deposits can cause pressure issues leading to leaks. Use a descaler like the De’Longhi EcoDecalk Descaler to clean internal components following the manufacturer’s instructions. Regular descaling helps maintain proper pressure and prevents leakages.
Step 5: Reassemble and Test
- Carefully reattach the water tank, ensuring it clicks into place securely.
- Plug in and turn on the machine, then observe for any leaks during operation.
- Run a brewing cycle without coffee to check for any water escaping.
The Products in This Guide

De’Longhi Magnifica Evo Next Fully Automatic Espresso Ma
- ✔ Weight: 22 lbs
- ✔ Color: Silver
- ✔ Warranty: 1 year

De’Longhi Replacement Water Filter
- ✔ Type: Water filter
- ✔ Brand: De’Longhi
- ✔ Price: Affordable
De’Longhi Magnifica Evo Next Fully Automatic Espresso Ma

The De’Longhi Magnifica Evo Next is a top-rated, super automatic espresso machine with advanced features like a built-in grinder and Lattecrema hot system. Its quality and performance make it a popular choice for home baristas.
Pros:
- Programmable with 13 recipes
- Built-in conical burr grinder
- Automatic milk frother
- User-friendly controls
Cons:
- Can be complex to clean thoroughly
- Higher price point
- Requires regular descaling
Best for: Home users seeking a versatile, all-in-one espresso system
Not ideal for: Beginners or those seeking a simple coffee maker
Bottom line: A highly capable espresso machine with advanced features for coffee enthusiasts.
De’Longhi Replacement Water Filter

Using a water filter like the De’Longhi Replacement Water Filter helps prevent mineral buildup and reduces the risk of leaks caused by limescale. It’s an easy upgrade to maintain your machine’s performance.
Pros:
- Improves water quality
- Reduces limescale
- Easy to install
- Enhances coffee flavor
Cons:
- Needs replacement every 2 months
- Additional cost
- Compatibility limited to select models
Best for: Maintaining machine efficiency and water quality
Not ideal for: If your machine is already heavily scaled or damaged
Bottom line: A simple way to enhance your machine’s longevity and coffee flavor.
Frequently Asked Questions
Why is my De’Longhi espresso machine leaking water?
Leaks can occur due to damaged seals, loose connections, a cracked water tank, or mineral buildup causing pressure issues. Inspect these components first.
How often should I descale my espresso machine?
It’s recommended to descale every 2-3 months or more frequently if you have hard water, using a suitable descaler like De’Longhi EcoDecalk.
Can I fix the leak myself?
Yes, most leaks are fixable with basic troubleshooting, such as tightening connections, replacing seals, or cleaning mineral deposits. Always unplug the machine before repairs.
When should I replace the water filter?
Replace the water filter approximately every 2 months or when the indicator signals it’s time, to prevent mineral buildup and leaks.
Keep Your Coffee Flowing Smoothly
By carefully inspecting and maintaining your De’Longhi espresso machine, you can resolve most water leaks and extend its lifespan. Regular cleaning, proper assembly, and timely replacement of filters and seals are key to preventing future issues. With a little effort, your machine will continue to produce delicious coffee day after day.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.