De Longhi Ec155 Water Valve Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          5 - 8 minutes

Sections

Water Reservoir
1 step
Bottom Panel
1 step
Top Panel
6 steps
Water Valve
2 steps

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Introduction

What you need

Step 1

              Water Reservoir

Flip open the top panel to reveal water reservoir.
Grab the water reservoir by the handle and lift out.

Flip open the top panel to reveal water reservoir.

Grab the water reservoir by the handle and lift out.

1024

Step 2

              Bottom Panel

Flip the device on its head.
Using the Phillips #2 screwdriver, unscrew the four 12 mm screws found at each corner of the bottom panel.
Lift the panel off or flip the device over and let the panel drop out.

Flip the device on its head.

Using the Phillips #2 screwdriver, unscrew the four 12 mm screws found at each corner of the bottom panel.

Lift the panel off or flip the device over and let the panel drop out.

Step 3

              Top Panel

Before flipping the device, removed the black container and grill.
Flip the device on its head, front end facing you.
Using the Phillips #2 unscrew the two 52 mm screws found underneath the top portion of the device.

Before flipping the device, removed the black container and grill.

Flip the device on its head, front end facing you.

Using the Phillips #2 unscrew the two 52 mm screws found underneath the top portion of the device.

Step 4

Flip the device back to its proper orientation.
Using the Phillips #2 screwdriver remove the two 52 mm screws found on the lip next to the reservoir.

Flip the device back to its proper orientation.

Using the Phillips #2 screwdriver remove the two 52 mm screws found on the lip next to the reservoir.

Step 5

Insert the two plastic opening tools beneath the top knob.
Use the two plastic opening tools as leverage to lift the top knob off.

Insert the two plastic opening tools beneath the top knob.

Use the two plastic opening tools as leverage to lift the top knob off.

Step 6

Grasp the lid firmly with both hands.
Pull mightily with both hands away from the device.
If you hear a slight snapping sound, it is supposed to do that.

Grasp the lid firmly with both hands.

Pull mightily with both hands away from the device.

If you hear a slight snapping sound, it is supposed to do that.

Step 7

Use a plastic opening tool to push in the slot on the back panel while lifting.
Similarly, reach into where the reservoir used to be and insert a plastic spudger underneath the inside panel.
We recommend to not use your fingers for this step because there is a chance they will be pinched.

Use a plastic opening tool to push in the slot on the back panel while lifting.

Similarly, reach into where the reservoir used to be and insert a plastic spudger underneath the inside panel.

We recommend to not use your fingers for this step because there is a chance they will be pinched.

Step 8

You are now ready to lift the top off.
Place one hand near the back, the other at the front, and lift.
You may want to lift the front and back individually by pulling one a little off the part before the other. Afterwards, lifting the top off entirely will be easier.

You are now ready to lift the top off.

Place one hand near the back, the other at the front, and lift.

You may want to lift the front and back individually by pulling one a little off the part before the other. Afterwards, lifting the top off entirely will be easier.

Step 9

              Water Valve

Flip the device and remove one end of the tube from the water reservoir hole.

Flip the device and remove one end of the tube from the water reservoir hole.

Step 10

Pull the tube through the chamber with the water pump so it comes out of the top end.
Twist the valve counterclockwise while pulling gently.

Pull the tube through the chamber with the water pump so it comes out of the top end.

Twist the valve counterclockwise while pulling gently.

To reassemble your device, follow these instructions in reverse order.

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                                                                                      5 other people completed this guide.

Author

                                      with 2 other contributors

                    David Griffith

Member since: 10/01/2015

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Team

                       Cal Poly, Team 4-2, Maness Fall 2015                        

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                                            18 Guides authored

Russell L - Sep 1, 2018

I done this earlier today without the guide after it started to leak after descaling the machine , so i fixed it by taking valve apart an putting back together it worked once before leaking again , im just concerned it will just go again if i replace the safety valve , im wondering if scale has moved an is blocking and causing valve to leak? any ideas?

Thatcher Drake - Mar 18, 2021

Great description! Is the water valve ever used to control brew pressure?

Nelson Troyano - Aug 31, 2021

Great guide!, carefull the water valve has inside, two small orings, don´t loss it. Muy buena guia, hice todo lo indicado y funciono perfectamente, mi máquina comenzo a gotear agua por dentro y gracias a este manual pude encontrar la falla, que es la válvula, tengo con la maquina mas de 7 años y hasta ahora fallo, la válvula por ser de plastico no se puede reparar, pero se consiguen las partes en ereplacementparts.com. Solo un comentario la valvula tiene 2 orings pequeños, así que tengan cuidado cuando la saquen no se les pierdan.

Nelson Troyano - Feb 21, 2022

Actualizo mi comentario, ya me llego el repuesto de la válvula (ereplacementparts.com), lo reemplace y todo perfecto, de nuevo puedo tomar mi expresso.

Introduction#

What you need#

Team#

Introduction

What you need

Team