Keston Heat 45/55 PCB – Refurbished | Part No. 177031 (40kW/45kW/50kW)

Ignition failure, heating loss, or a Keston Heat boiler that refuses to respond to controls typically points to a failed PCB. The Keston Heat 40kW/45kW/50kW PCB (Part No. 177031) is the direct refurbished replacement, restoring full electronic control over ignition sequencing, heating output, and safety monitoring on Keston Heat 45 and Heat 55 boilers.

This refurbished unit is taken from a fully functioning boiler and quality-checked to the highest standard by our experienced engineering team before dispatch. Minor cosmetic marks may be present, but all functional performance is confirmed. Supplied with a full 12-month warranty.

Compatible Boiler Models

Part Identification

• Manufacturer: Keston
• Part Number: 177031
• Part Type: PCB (Main Control Board)
• Compatible Outputs: 40kW / 45kW / 50kW

Quality-Checked. Reliable. 12-Month Warranty.

Every refurbished Keston PCB we supply is quality-checked to the highest standard by our experienced engineering team before dispatch, confirming correct ignition sequencing, heating output control, and safety monitoring performance. Backed by a full 12-month warranty.

Delivery & Returns

Orders placed before 3:00 PM (Mon–Fri) are dispatched the same working day. Standard and next-day delivery available at checkout, including Saturday delivery for an additional charge. Returns accepted within 30 days in original unused condition.

Note: Please confirm that part number 177031 matches your existing PCB and check your boiler's GC number before ordering. Installation must be carried out by a Gas Safe registered engineer.