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Ideal 179855 Primary PCB KM821 I1 Kit – Brand New

Original price was: £220.99.Current price is: £190.90.

Manufacturer: Keston / Ideal
Part Number / Code: 179855
Part Type: PCB (Printed Circuit Board)
Condition: OEM Part

In stock

SKU: IDL-PCB-9855-N Category: Tag:

Manufacturer Part Number: 179855

Description

Ideal 179855 Primary PCB KM821 I1 Kit – Fits Atlantic, Classic, Exclusive & Morco Boilers

The Keston / Ideal 179855 Primary PCB KM821 I1 Kit is a OEM replacement printed circuit board designed to control and regulate your boiler’s electronic functions. As a vital component, the PCB ensures correct boiler operation, combustion control, and system safety.

This part is also listed as the Ideal 179855 Primary PCB KM721 I1, confirming its compatibility across both Keston and Ideal appliances. Trusted by professional heating engineers, this PCB replacement offers full reliability, safety, and long service life.

Compatible Boilers & GC Numbers

  • Atlantic Combi

    • Atlantic Combi 24 – GC No. 47-349-81

    • Atlantic Combi 30 – GC No. 47-349-82

    • Atlantic Combi 35 – GC No. 47-349-83

  • Classic 2 Combi

    • Classic 2 Combi 24 – GC No. 47-349-71

    • Classic 2 Combi 30 – GC No. 47-349-72

    • Classic 2 Combi 35 – GC No. 47-349-73

  • Exclusive 2 Combi

    • Exclusive 2 24 Combi – GC No. 47-349-62

    • Exclusive 2 30 Combi – GC No. 47-349-63

    • Exclusive 2 35 Combi – GC No. 47-349-64

  • I Combi 2 Series

    • I Combi 2 24 – GC No. 47-349-74

    • I Combi 2 30 – GC No. 47-349-75

    • I Combi 2 35 – GC No. 47-349-76

  • Morco Boilers

    • Ideal Morco GB24 LPG – (Series 111)

    • Ideal Morco GB30 LPG – (Series 111)

    • Morco GB24 – Series 111

    • Morco GB30 – Series 111

    • Why Choose the Keston / Ideal 179855 PCB?

      • OEM PCB replacement kit

      • Listed as KM821 I1 Kit and KM721 I1 Kit for compatibility

      • Compatible with multiple Keston, Ideal, and Morco boilers

      • Ensures safe and reliable electronic control of your boiler

      • Trusted by engineers across the UK

      • Same-day dispatch (before 1pm) & fast UK delivery

      • Backed by warranty and 30-day returns

      • Frequently Asked Questions

        1. What boilers are compatible with the Ideal / Keston 181974 PCB KM821 I3 Kit?

        This PCB is compatible with Ideal Logic+ Combi C24, C30, C35, Ideal MAX Combi C24, C30, C35, and Keston Combi C30 and C35 boilers. Always confirm the manufacturer part number before ordering.

        2. What does the PCB do in my boiler?

        The PCB (Printed Circuit Board) is the main control unit of the boiler. It manages heating cycles, ignition, and hot water supply, ensuring safe and efficient boiler performance.

        3. When will my order be dispatched?

        Orders received by 1:00 PM (Monday–Friday) are dispatched the same day. Orders placed after this time will be processed on the next working day. Weekend deliveries require selecting the Saturday delivery option at checkout.

        4. Should the PCB be installed by an engineer?

        Yes, the PCB should only be installed by a qualified heating engineer. Incorrect installation can cause faults, damage, or safety issues.

        5. What if the PCB fails after installation?

        If the PCB does not function correctly after professional installation, contact your installer to confirm the boiler setup. You may also return the part within the 30-day return period if needed.

Brand

Ideal

Ideal Boilers is one of the leading boiler brands in the UK. Its products have been manufactured in their Derbyshire-based factory for over 90 years, and they boast a wide range of products and styles to fit any home and budget. From traditional combi boilers to the most cutting-edge system boilers, Ideal offers something for everyone. The company was founded in 1906 and is known for its commitment to quality products and customer service. Ideal was an early innovator in the boiler industry, and has made significant advancements throughout its history. They pioneered the "Combi" boiler initially in the late 1950s, which allows for both hot water and central heating from the same boiler. Since then, they've continued to develop new technologies that maximize efficiency and minimize emissions. In the last 10 years, Ideal has become one of the most popular boiler brands in the UK, winning numerous awards for their reliability, innovation, and quality. Ideal is committed to providing an unbeatable range of options and intuitive controls, making it easy for customers to find the right boiler for their needs. All their boilers are available with a selection of services, such as timing and temperature control, as well as an integrated humidity and pressure monitor. For added peace of mind, the company offers a full warranty from an accredited installer, helping customers feel extra secure with their choice. Ideal has worked hard to become one of the leading boiler brands in the UK. With an impressive range of products, years of experience, and a commitment to excellence, customers can trust that they will get the quality and performance they need from their Ideal boiler.

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