The Glowworm Ultracom 2 Printed Circuit Board 0020097400 is a new, sealed component designed for a storage tank water heater with a compact design. This circuit board belongs to the Ultracom model range, suitable for indoor mounting.
Bought a replacement PCB and saved 2000,- against a new boiler of similar specifications. Installed and configured it myself with rough configuration instructions supplied with the item. Anyone with engineering skills can do it.