Description

Ideal PCB KM821 I2 KIT 179038 – Fits Ideal, Keston, Logic, I-Mini, Independent, Code, MAX, Ultra+ Boilers

The Ideal PCB KM821 I2 KIT (Part No. 179038) is a replacement printed circuit board designed to ensure the reliable operation of various Ideal and Keston boilers. This high-quality PCB controls the essential electrical functions within your boiler, helping restore performance and efficiency.

This part is suitable for a wide range of models, including combi, system, and heat-only boilers. Always ensure replacement is carried out by a qualified heating engineer.

Compatible Models & GC Numbers :

I-Mini Series

• I Mini C24 – GC No. 47-349-30

• I Mini C30 – GC No. 47-349-31

Independent Combi Series

• Independent Combi 24 – GC No. 47-349-24

• Independent Combi 30 – GC No. 47-349-25

• Independent Combi 35 – GC No. 47-349-26

ESP1 Series

• 24 Combi ESP1 – GC No. 47-349-21

• 30 Combi ESP1 – GC No. 47-349-22

• 35 Combi ESP1 – GC No. 47-349-23

Code Combi ESP1 Series

• Code Combi ESP1 26 – GC No. 47-349-35

• Code Combi ESP1 33 – GC No. 47-349-36

• Code Combi ESP1 38 – GC No. 47-349-37

Combi C Series

• Combi C 24 – GC No. 47-349-18

• Combi C 30 – GC No. 47-349-19

• Combi C 35 – GC No. 47-349-20

Logic + Heat Series

• Logic + Heat H 12 – GC No. 41-750-82

• Logic + Heat H 15 – GC No. 41-750-83

• Logic + Heat H 18 – GC No. 41-750-84

• Logic + Heat H 24 – GC No. 41-750-85

• Logic + Heat H 30 – GC No. 41-750-86

Logic + System Series

• Logic + System S15 – GC No. 41-750-65

• Logic + System S18 – GC No. 41-750-66

• Logic + System S24 – GC No. 41-750-67

• Logic + System S30 – GC No. 41-750-68

Logic Combi IE Series

• Logic Combi C24IE – GC No. 47-349-44

• Logic Combi C30IE – GC No. 47-349-45

• Logic Combi C35IE – GC No. 47-349-46

Logic Heat Series

• Logic Heat H 12 – GC No. 41-750-77

• Logic Heat H 15 – GC No. 41-750-78

• Logic Heat H 18 – GC No. 41-750-79

• Logic Heat H 24 – GC No. 41-750-80

• Logic Heat H 30 – GC No. 41-750-81

Logic Heat IE Series

• Logic Heat H12IE – GC No. 41-750-92

• Logic Heat H15IE – GC No. 41-750-93

• Logic Heat H18IE – GC No. 41-750-94

• Logic Heat H24IE – GC No. 41-750-95

• Logic Heat H30IE – GC No. 41-750-96

Logic System IE Series

• Logic System S15IE – GC No. 41-750-73

• Logic System S18IE – GC No. 41-750-74

• Logic System S24IE – GC No. 41-750-75

• Logic System S30IE – GC No. 41-750-76

MAX Heat Series

• MAX Heat H 12 – GC No. 41-796-17

• MAX Heat H 15 – GC No. 41-796-18

• MAX Heat H 18 – GC No. 41-796-19

• MAX Heat H 24 – GC No. 41-796-20

• MAX Heat H 30 – GC No. 41-796-21

MAX System Series

• MAX System S 15 – GC No. 41-796-13

• MAX System S 18 – GC No. 41-796-14

• MAX System S 24 – GC No. 41-796-15

• MAX System S 30 – GC No. 41-796-16

System Series

• System S 15 – GC No. 41-750-61

• System S 18 – GC No. 41-750-62

• System S 24 – GC No. 41-750-63

• System S 30 – GC No. 41-750-64

Ultra+ Combi Series

• Ultra + Combi 30 – GC No. 47-002-03

• Ultra + Combi 35 – GC No. 47-002-04

Ultra+ System Series

• Ultra + System 15 – GC No. 41-002-05

• Ultra + System 18 – GC No. 41-002-06

• Ultra + System 24 – GC No. 41-002-07

• Ultra + System 30 – GC No. 41-002-08

Keston System Series

• Keston System S 30 – GC No. 41-930-45

please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.

For any Worcester Products related products please clink below link :Ideal Spares

link :Ideal Ignitor

     Prices: Please note all prices are inclusive of VAT.

At Heating and catering parts,

We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy

We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.

Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.

In a word thank you for choosing us!

Frequently Asked Questions

1. What boilers is the Ideal PCB KM821 I2 KIT compatible with?

This PCB is compatible with a wide range of Ideal and Keston boilers, including Logic, I-Mini, Independent, Code, MAX, and Ultra+ series. Always check your boiler’s manufacturer part number to ensure correct fit.

2. What is the purpose of the Ideal PCB KM821 I2 KIT?

The PCB controls essential electrical functions within the boiler, helping maintain consistent heating, reliable hot water supply, and efficient operation.

3. How quickly will my order be shipped?

Orders received by 1:00 PM (Monday–Friday) are dispatched the same day. Weekend deliveries are not included in the next-day shipping guarantee unless the Saturday delivery option is selected at checkout.

4. Can I install this PCB myself?

Installation should only be carried out by a qualified heating engineer. Incorrect installation can damage the boiler or create safety hazards.

5. What should I do if the PCB does not function properly after installation?

If the PCB does not operate correctly, contact a qualified engineer to verify proper installation. You can also reach out to the supplier for guidance under the 30-day return policy.