Description

Ideal 175804 Auto Air Vent Kit with O-Ring

The Ideal Auto Air Vent Kit with O-Ring 175804 helps remove trapped air from the boiler heating system, so water can circulate properly and heating performance stays efficient. However, when air builds up inside the system, it can cause noise, poor circulation, or inconsistent heating. Therefore, replacing a worn or leaking air vent helps restore reliable operation and supports smooth boiler performance.

Compatible Boilers

This part is compatible with the following models:

Esprit 2 Series

• 24 – GC No. 47-348-71
• 30 – GC No. 47-348-72
• 35 – GC No. 47-348-73

I Mini Series

• 24 – GC No. 47-348-77
• 30 – GC No. 47-348-78

+C Series

• 24 – GC No. 47-348-85
• 30 – GC No. 47-348-86
• 35 – GC No. 47-348-87

Independent Series

• C24 – GC No. 47-348-68
• C30 – GC No. 47-348-69
• C35 – GC No. 47-348-70

System Series

• 15 – GC No. 41-750-48
• 18 – GC No. 41-750-49
• 24 – GC No. 41-750-50
• 30 – GC No. 41-750-51

Isar HE Series

• HE24 – GC No. 47-348-31
• HE30 – GC No. 47-348-30
• HE35 – GC No. 47-348-29

Code Combi ES Series

• 26 – GC No. 47-349-04
• 33 – GC No. 47-349-05
• 38 – GC No. 47-349-06

Combi E Series

• 24 – GC No. 47-348-88
• 30 – GC No. 47-348-89
• 35 – GC No. 47-348-90

Combi ES Series

• 24 – GC No. 47-349-01
• 30 – GC No. 47-349-02
• 35 – GC No. 47-349-03

Combi ESP Series

• 24 – GC No. 47-349-12
• 30 – GC No. 47-349-13
• 35 – GC No. 47-349-14

Logic + Combi Series

• 24 – GC No. 47-348-65
• 30 – GC No. 47-348-66
• 35 – GC No. 47-348-67

Logic + System Series

• 15 – GC No. 41-750-29
• 18 – GC No. 41-750-30
• 24 – GC No. 41-750-31
• 30 – GC No. 41-750-32

Logic Code Combi Series

• 26 – GC No. 47-348-74
• 33 – GC No. 47-348-75
• 38 – GC No. 47-348-76

Logic Combi Series

• 24 – GC No. 47-348-56
• 30 – GC No. 47-348-57
• 35 – GC No. 47-348-58

Logic System Series

• 15 – GC No. 41-750-24
• 18 – GC No. 41-750-25
• 24 – GC No. 41-750-26
• 30 – GC No. 41-750-27

System IE Series

• 15 – GC No. 41-750-44
• 18 – GC No. 41-750-45
• 24 – GC No. 41-750-46
• 30 – GC No. 41-750-47

C Combi Series

• C26 – GC No. 47-348-99
• C32 – GC No. 47-348-98
• C40 – GC No. 47-348-97

S System Series

• S15 – GC No. 41-750-56
• S18 – GC No. 41-750-55
• S26 – GC No. 41-750-54
• S32 – GC No. 41-750-53

Ultra Combi Series

• 30 – GC No. 47-002-01
• 35 – GC No. 47-002-02

Ultra System Series

• 15 – GC No. 41-002-01
• 18 – GC No. 41-002-02
• 24 – GC No. 41-002-03
• 30 – GC No. 41-002-04

Keston Combi Series

• 30 – GC No. 47-930-04
• 35 – GC No. 47-930-05

Keston System Series

• 30 – GC No. 41-930-39

Why Choose This Product?

This brand new Ideal auto air vent kit helps maintain proper circulation by removing trapped air from the heating system. In addition, it includes the sealing O-ring, so replacement is more convenient and reliable.

Delivery and Return

Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the item remains unused and in original packaging. Always use a qualified engineer for installation.

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 supports efficient boiler operation.

2. What is included in this kit?
This kit includes the Ideal auto air vent and sealing O-ring. Therefore, it provides the main components needed for replacement.

3. Why replace a faulty air vent?
A faulty air vent can allow air to build up inside the system, which may cause noise or circulation problems. Replacing it helps restore smoother heating performance.

4. Is this a brand new part?
Yes, this is a brand new Ideal replacement part. It is supplied unused and ready for installation.

5. Who should install this part?
A qualified heating engineer should install the part to ensure safe and correct fitting. Professional installation also helps support reliable boiler operation.