Description

Ideal 177475 Filling Loop Pack for Ideal & Keston Combi Boilers

The Ideal Filling Loop Pack (ABS Onwards) 177475 is a brand new replacement part designed to top up water pressure in compatible central heating boilers and systems. When boiler pressure drops, the filling loop helps restore the correct water level, so the system can return to normal operation. Therefore, replacing a worn or damaged filling loop helps support safe, reliable pressure topping-up and smoother day-to-day heating performance.

Compatible Boilers

This part is compatible with the following models:

Combi ESP1 Series

• 24 – GC No. 47-349-21
• 30 – GC No. 47-349-22
• 35 – GC No. 47-349-23

Code Combi ES Series

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

Code Combi ESP1 Series

• 26 – GC No. 47-349-35
• 33 – GC No. 47-349-36
• 38 – GC No. 47-349-37

Combi C Series

• 24 – GC No. 47-349-18
• 30 – GC No. 47-349-19
• 35 – GC No. 47-349-20

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 + Combi C Series

• C24 – GC No. 47-349-15
• C30 – GC No. 47-349-16
• C35 – GC No. 47-349-17

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 Combi C IE Series

• C24IE – GC No. 47-349-44
• C30IE – GC No. 47-349-45
• C35IE – GC No. 47-349-46

MAX Combi C Series

• C24 – GC No. 47-349-56
• C30 – GC No. 47-349-57
• C35 – GC No. 47-349-58

Gen. 2 Combi Series

• C26 Combi Gen. 2 – GC No. 47-349-38
• C26 IE Combi Gen. 2 – GC No. 47-349-47
• C32 Combi Gen. 2 – GC No. 47-349-39
• C32 IE Combi Gen. 2 – GC No. 47-349-48
• C40 Combi Gen. 2 – GC No. 47-349-40
• C40 IE Combi Gen. 2 – GC No. 47-349-49

MAX Combi Series

• 26 – GC No. 47-349-59
• 32 – GC No. 47-349-60
• 40 – GC No. 47-349-61

Ultra + Combi Series

• 30 – GC No. 47-002-03
• 35 – GC No. 47-002-04

Ultra Combi Series

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

Keston C Combi Series

• C30 Combi – GC No. 47-930-03
• C35 Combi – GC No. 47-930-08

Keston Combi Series

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

Why Choose This Product?

This brand new filling loop pack offers a simple and cost-effective way to restore correct boiler pressure topping-up. In addition, it is a direct replacement part for selected Ideal applications, so it helps make repair work easier once compatibility is confirmed.

Delivery and Return

Order before the daily cut-off for fast dispatch, and standard or next-day delivery options may be available depending on your store setup. Returns are usually accepted if the part remains unused and in its original packaging.

Frequently Asked Questions

1. What does this filling loop pack do?
It allows the user to manually top up water in the heating system when the boiler pressure drops. As a result, it helps restore the correct system pressure for normal operation.

2. Is this part brand new?
Yes, this listing is for a brand new Ideal filling loop pack. That makes it suitable for direct replacement when the original part is worn or damaged.

3. What boilers does part 177475 fit?
Supplier listings link it to selected Ideal Logic, Code Combi, and Logic Max Combi boilers, while other fitment pages show some Vogue and Ultra Combi use. However, always confirm the part number and boiler model before ordering.

4. Why should I replace a faulty filling loop?
A damaged filling loop can make it difficult to repressurise the system correctly. Therefore, replacing it helps maintain proper pressure topping-up and more reliable boiler operation.

5. Who should install this part?
A qualified heating engineer should install the part to ensure safe and correct fitting. Professional installation also helps avoid pressure or connection issues.