The Vaillant Fault Most Engineers MISS! Why I Check This on Every Service
6.1K views · Jun 3, 2026 · People & Blogs
Comments · 47
@cputilitysolutions · 3 months ago · pinned
It’s crazy how many of these plate screws back themselves out over time with the heating and cooling cycles. 😤🛠️<br><br>How many have you come across??
2
@jimc67 · 3 months ago
Cracking vid CP , come on folks get subscribed ! You never know when “Uncle” will be on with another Top Tip 🙌🏻😀👍🏻👍🏻👍🏻👏🏻
2
@IA23119 · 3 months ago
Former Vaillant engineer, this was common and its due to water hammer it states in the MI to install a shock arrestor if you have a water meter 😉
3
@user-te1le7ck6b · 3 months ago
Brownlow road opposite my mums , should have sent you to my mums lol shes got an ideal logic 🤣
1
@alanmurphy3584 · 3 months ago
Check and tighten all screws on every service 👌
1
@robertmailer4978 · 3 months ago
Great video, have had pure where I can’t remove sides , still remove expansion, to undo rear nut ,use a swivel head 10mm spanner , bit of a pain but very doable
1
@MrRichardss · 3 months ago
What are the main van stocks you need, or the top 10 items as an up-and-coming self-employed gas boiler engineer for all boilers? Maybe a vid on it
1
@JayGasEssex · 1 month ago
i check them too, weird how it's always the screws on the right side???
1
@Ffarquhar1 · 3 months ago
Normally bottom left is worse for some reason. I always check them.
1
@intheyear2510 · 3 months ago (edited)
yeah been tightening them up for the last ten years , but not so much on the 837s or 838s for some reason
1
@Brightonheatingengineer · 3 months ago
I've had one that fell right out
1
@MrRichardss · 3 months ago
Damn it, I got an Eco Fit Pure. Do you have a video of your replacement of a rear flue seal off the wall boiler job
1
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