How and why to Descale + Troubleshoot Breville Dual Boiler (Steam Boiler Not Working)

Learn how and why to descale as part of your regular espresso machine maintenance every 2-5 years. If your Breville Dual Boiler’s steam boiler isn’t working after descaling, this video also covers how to troubleshoot common steam boiler issues.

📦 *Products (affiliate)*
_Buying through these links helps support the channel (no extra cost to you)— thank you!_

*tools - descale only*
👉 descale powder https://amzn.to/3WAf3Dn
👉 flat head screwdriver https://amzn.to/43NfDBv

*tools - steam boiler fix*
👉 hemostat https://amzn.to/46X3r3r
👉 needle nose pliers https://amzn.to/4osvU7l
👉 steam probe replacement (might have O rings) https://amzn.to/43gksmK - if 🇨🇦 https://ecscoffee.com/products/steam-probe-set-of-3-with-oring-sp0001820?_pos=1&_psq=SP0001820&_ss=e&_v=1.0
👉 food safe lube https://amzn.to/4olXYcC
👉 Group head screwdriver use #2 https://amzn.to/3xmOlkM
👉 Torx t20 for the back https://amzn.to/47zawWC
👉 citric acid https://amzn.to/4nRdXOV

*maintenance*
👉 filter for Breville Dual Boiler https://amzn.to/49tm2p8
👉 water hardness strips https://amzn.to/47SsULC
👉 third wave water https://amzn.to/4qDfsTg

*replacement O rings*
👉 O rings
• Breville O-Ring for Steam Probe - SP0001657 use EPDM 70A (or Aflas 70A if you want “forever”), size –008 https://ecscoffee.com/products/breville-o-ring-for-steam-probe-sp0001657
• Brew boiler probe (in SP0010292): size is typically –009 EPDM also works and will better tolerate descalers/hot water cycles
👉 food safe lube https://amzn.to/4olXYcC

*Lists of my favorite products*
https://www.amazon.com/shop/gadgetsgearcoffee
https://www.gadgetsgearcoffee.com/blog-home

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📈 *YT Tools to improve stats & bulk edit* https://www.tubebuddy.com/pricing?a=GadgetsGearCoffee
🎵 *Music (human musicians, NO AI)* https://go.melod.ie/GadgetsGearCoffee
60% off 1st year of Creator or Pro Annual plans: MELODIE60

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🔗 *Other links*
*DEBUG MENU*
1. Unplug from wall
2. Hold “EXIT” and “MANUAL” while plugging back in
3. Press “MENU” twice, wait for lights to finish
4. Press “MENU” to display water levels
5. Letters that show up help troubleshoot
See diagram https://brevtech.store/blogs/technical-info/troubleshooting-the-dual-boiler-bes920-steam-boiler

Cleaning coffee residue https://youtu.be/xNJOS1W1mG4

🎬 *About this video*
f your Breville Dual Boiler steam boiler isn’t heating after a descale — or you’re not sure what’s actually going on inside your machine — this video breaks everything down.

After owning my Dual Boiler for several years, I finally did a full descale and deep maintenance, and I’ll walk you through the entire process:
• What scale buildup is and why it forms inside espresso machines
• The right way to descale the Breville Dual Boiler (and what to avoid)
• How to flush both boilers safely
• What to do if your steam boiler stops heating after descaling
• How to inspect and clean the steam probe sensors
• Tips to prevent future scale and keep your machine running like new

You’ll see what scale actually looks like inside the machine, how to replace or clean the sensor probe, and what warning signs mean it’s time for maintenance. Whether you’re doing your 2–5 year maintenance or troubleshooting a sudden issue, this guide covers all the key steps to restore full pressure and performance.

🕦 *Timestamps*
00:00 not that hard to maintain
00:05 descale + steam boiler issues
00:18 regular maintenance
00:39 identify your BDB model
01:24 descale tools
01:29 water hardness makes a difference
01:49 what is scale and why does it matter?
02:15 prevention is key
02:49 minerals aren't "bad"
03:18 how often to descale
03:58 is descaling safe
04:33 manual descale
04:53 descale process
07:14 3 beeps of death
07:46 unplug
07:55 hard reset
08:10 get error code first
08:27 tilt method
08:37 open and check steam sensors
09:48 clean sensor probes
11:12 replace steam sensor probe
11:31 replacing sensor probes
11:38 results: better pressure

⚠️ *Disclaimers*
As an Amazon Associate, I earn from qualifying purchases. Affiliate revenue helps support the channel, future reviews, and product testing.

Based on my personal experience. All opinions are my own. Use your discretion. For entertainment purposes only.

Видео How and why to Descale + Troubleshoot Breville Dual Boiler (Steam Boiler Not Working) канала Jess - Gadgets, Gear, Coffee