Description
Auto Air Vent For Ferroli 39818220
The Ferroli auto air vent helps your boiler run smoothly by removing trapped air from the system. This boiler air release valve improves heating performance and reduces pressure problems. Part number 39818220 fits directly into various Ferroli and partner-brand boilers to ensure safe, efficient operation.
Compatible Boilers
To help you install the right part, this product is compatible with the following boiler models:
Ferroli Domi Compact Series:
F24 B (GC No. 47-267-37)
F24 D (GC No. 47-267-39)
F30 B (GC No. 47-267-38)
F30 D (GC No. 47-267-40)
Ferroli Domi Condense Series:
F24 (GC No. 47-267-50)
F28 (GC No. 47-267-46)
HE 26 C (GC No. 47-267-54)
Ferroli Econcept Series:
51 A (GC No. 51A)
Ferroli FERCondens Series:
25 HE (GC No. 47-267-61)
Ferroli I Series:
I 25 E (GC No. 47-267-64)
I 29 E (GC No. 47-267-65)
Lamborghini Extrema Series:
30 C (GC No. 47-267-48)
38 C (GC No. 47-267-49)
Ferroli Modena HE Series:
18 S (GC No. 41-267-40)
25 C (GC No. 47-267-58)
25 S (GC No. 41-267-41)
27 C LPG (GC No. 47-267-57)
30 C (GC No. 47-267-56)
32 C LPG (GC No. 47-267-55)
32 S (GC No. 41-267-42)
38 C (GC No. 47-267-63)
Ferroli Optimax HE Series:
18 S (GC No. 41-267-27)
25 S (GC No. 41-267-25)
31 C (GC No. 47-267-42)
31 S (GC No. 41-267-26)
38 C (GC No. 47-267-43)
Ferroli Optimax HE Plus Series:
18 S (GC No. 41-267-31)
25 S (GC No. 41-267-32)
31 C (GC No. 47-267-44)
35 S (GC No. 41-267-33)
38 C (GC No. 47-267-45)
Ferroli T-One Series:
18 S HE (GC No. 41-267-43)
25 C HE (GC No. 47-267-59)
25 S HE (GC No. 41-267-44)
30 C HE (GC No. 47-267-60)
32 S HE (GC No. 41-267-45)
If you’re looking for a Ferroli 39832360 ignition electrodes follow the link provided.
Why Choose This Product?
This 39818220 auto air vent prevents pressure build-up and airlocks that reduce boiler efficiency. It helps reduce noise and boosts heating system performance. Because it’s a genuine Ferroli part, it fits perfectly and lasts longer than cheap alternatives. It’s quick to install and ideal for preventative maintenance.
Delivery and Return
We dispatch same-day on orders placed before 1 PM, with standard and next-day delivery options available. If unused and in original packaging, you may return the item within 30 days.
Important: Always use a Gas Safe registered engineer for boiler part replacements to ensure safety.
Frequently Asked Questions
1. What does an auto air vent do?
An auto air vent removes trapped air from the heating system automatically. As a result, it helps improve circulation and maintain efficient boiler performance.
2. Why would an air vent need replacing?
A faulty vent may leak or fail to release trapped air correctly. This can lead to noisy pipework, poor circulation, or reduced heating efficiency.
3. Is this part brand new?
Yes, this Ferroli auto air vent is supplied brand new. Therefore, it is ready for direct replacement installation.
4. How do I confirm compatibility?
Always check the part number 39818220 and your appliance model before ordering. This helps ensure the part matches your boiler correctly.
5. Who should install this part?
A qualified heating engineer should install the component to ensure safe and correct operation. Professional fitting also helps protect the heating system.








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