Description
Ideal Keston 177031 Primary PCB – Heat 45 & Heat 55
The Keston 177031 primary PCB is an electronic control board used on selected Keston Heat boilers.
It is listed for the Keston Heat 45 and Heat 55 appliances and is also cross-listed under Ideal using the same manufacturer part number.
The PCB forms part of the boiler’s main electronic control system. It processes signals from sensors and manages several operating functions during boiler startup and normal operation.
Compatible Keston Boilers
Keston Heat Series
- Keston Heat 45 – GC No. 41-930-40
- Keston Heat 55 – GC No. 41-930-41
Always check the exact appliance model and GC number before ordering.
Delivery & Support
Orders placed before 2 pm Monday to Friday can qualify for same-working-day dispatch.
Next-working-day and other UK delivery options are available.
Please confirm the product condition before publishing so the correct warranty wording can be added.
All prices include VAT.





