Need assistance? Our Sales & Support Teams are ready to help!

Extended Holiday Returns: Shop now

Ultimate Gift Guide
Shop Now

Free Flow Control
Shop Now

Gifts With Purchase
View Gifts

$250 Off Rocket Espresso
Shop Now

Table of Contents

Why Might the Boiler Need to be Removed?

Boiler froze or cracked

Boiler gasket leaking

Scale build up

Solenoid valve is blocked after cleaning

How To Remove, Clean, and Replace the Boiler

Gaggia Classic (Pre-2019)

Gaggia Classic Pro / EVO / E24 (2019-Present)

Associated Parts

Gaggia Classic Pro Shoppable Parts Diagram

Classic/Pro Boiler (unlined aluminum)

BRASS BOILER (from the E24)

Chromed Group Head Body

Unlined Brass Group Body w/ Dip Tube

Boiler Gasket

O ring for the Three way Solenoid valve (need 2-3)

Steam Valve (come with O ring)

Classic Pro Steam Wand

Lined Boilers vs. Un-lined Boiler

Gaggia Classic Pro: Boiler Cleaning and Replacement

by Whole Latte Love 2 min read Updated: November 10, 2025

CLICK HERE to subscribe to our newsletter for exclusive promotions and regular updates on everything coffee!

This article will show you how to tear down and do complete cleaning and rebuild of your boiler as needed. If you notice signs of pitting on the boiler or grouphead, (which looks exactly how it sounds) the part will likely need to be replaced. The process will be the same for aluminum or brass boilers in the Classic Pro.

To continue reading this article, please log in!

This content requires that you log in with your Whole Latte Love account in order to be viewed in full. If you do not have an account, you can register one for free at www.wholelattelove.com/account/register!

Back To Support Articles

Whole Latte Love

Whole Latte Love