Description

Glowworm S5742700 Spark Generator (Replaces 2000801936) CI SI Boilers

The Glowworm ignition transformer 24V S5742700 provides the spark needed to ignite your boiler safely. This boiler ignition transformer replaces part number 2000801936 and restores reliable ignition performance. It converts voltage to create a strong spark, which helps your boiler start quickly and run smoothly. A faulty transformer can stop ignition, so replacing it ensures consistent heating operation.

Compatible Boilers

This part is compatible with the following models:

Glowworm CI Series

• GW 23C – GC 47-047-18
• Glowworm 24CI – GC 47-047-19
• Glowworm 30CI – GC 47-047-20
• Glowworm 30CI Plus – GC 47-047-22
• Glowworm 35CI – GC 47-047-28

Glowworm SI Series

• Glowworm 18SI – GC 41-047-61
• Glowworm 30SI – GC 41-047-70

Glowworm Xtrafast Series

• Xtrafast 2000 – GC XTRAFAST2000

Why Choose This Product?

The Glowworm ignition transformer 24V S5742700 offers a reliable way to restore boiler ignition. Each unit delivers stable spark performance, which helps your boiler start without delay. As a result, your heating system runs efficiently and avoids ignition faults. Replacing this transformer also improves safety and reduces the risk of breakdowns. This solution supports long-term performance and dependable heating.

Delivery and Return

Place orders before 1 pm for same-day dispatch. Standard delivery takes 2–3 working days, while next-day delivery is available. Returns are accepted within 30 days if unused and in original packaging. Always use a Gas Safe registered engineer to install this part safely and correctly.

Frequently Asked Questions (FAQs)

Q1: What does the Glowworm ignition transformer 24V S5742700 do?
A1: The Glowworm ignition transformer 24V S5742700 creates the spark needed to ignite your boiler. It ensures your heating system starts safely and runs efficiently.

Q2: Which part does S5742700 replace?
A2: This ignition transformer replaces part number 2000801936, making it a direct replacement for compatible Glowworm boilers.

Q3: Is this ignition transformer new or refurbished?
A3: This product is brand new, so it offers reliable performance and long service life.

Q4: Which boilers are compatible with this ignition transformer?
A4: It fits several Glowworm models, including CI, SI, and Xtrafast ranges. Always check your GC number before purchase.

Q5: What are common signs of a faulty ignition transformer?
A5: Common signs include no ignition, delayed startup, or frequent boiler lockouts. Replacing the transformer often resolves these issues.