Whale Heater Expanse PCB Gas Main 782.129 - AK1911

The Whale Heater Expanse PCB Gas Main 782.129 is a replacement Printed Circuit Board (PCB) designed for Whale's gas only Expanse water heaters, commonly installed in caravans and motorhomes. This PCB serves as the central control unit, managing the heater's functions such as ignition, temperature regulation, and safety protocols. Replacing a faulty PCB with the 782.129 model ensures the heater operates efficiently and safely,

This PCB is compatible with the following models:

• Whale Expanse Gas-Only Onboard LIN Set A: Model SETWL8201A
• Whale Expanse Gas-Only Underfloor LIN Set A: Model SETWL8211A
• Whale Expanse Gas-Only Underfloor LIN Set D: Model SETWL8211D
• Whale Expanse Gas-Only Underfloor LIN Set E: Model SETWL8211E