Whale Heater Expanse PCB Gas Elec Main 782.127 - AK1910

Whale Heater Expanse PCB Gas & Electric Main 782.127 – OEM Replacement Control Board (AK1910)

The Whale Heater Expanse PCB Gas & Electric Main 782.127 (Part AK1910) is a genuine replacement control printed circuit board designed for use with Whale Expanse water heaters installed in caravans, motorhomes, campervans and other leisure vehicles. This main PCB is the electrical “brain” of your heater, managing critical functions like ignition, temperature regulation, safety cut-offs, gas and electric mode switching to ensure reliable and efficient operation.

Whether you’re repairing a faulty board or restoring performance after electrical issues, this OEM spare part helps return your Expanse heater to full working order with improved consistency and durability.

Product Overview

• 🔌 Main Control PCB: Genuine Whale printed circuit board assembly for Expanse gas/electric water heaters.

• 📍 Part Number: AK1910 — factory-specified replacement part (PCB 782.127).

• ⚙️ Key Functions: Controls ignition logic, thermostat regulation, safety shut-offs and transitions between gas and electric heating modes.

• 🚐 Designed for Leisure Vehicles: Built for durability in mobile applications like caravans and motorhomes.

• 🔄 Direct OEM Fit: Fits compatible Expanse heater models without modification — ideal for professional servicing or DIY replacement.

Features & Benefits

• 🛠 Reliable Replacement Board – Restores heater control functions when the original PCB fails or malfunctions.

• 💡 Enhanced Heater Performance – Helps maintain accurate ignition timing and temperature control across gas and electric modes.

• 🔒 Safety & Efficiency – Ensures safety cut-offs work correctly, reducing the risk of overheating and protecting internal components.

• 🚍 Perfect for RV Use – Designed for the unique demands of caravans, motorhomes, campervan conversions and other mobile living environments.

• 🔧 OEM-Quality Construction – Built to original manufacturer standards for long life and consistent performance

This PCB is compatible with the following models:

• Whale Expanse G/E U/F CBE Duo: Model DW8201UR
• Whale Expanse G/E OB CBE LIN: Model DW8202OR
• Whale Expanse G/E UF CBE LIN: Model DW8212UR
• Whale Expanse G/E iVan Onboard: Model IW0801OC
• Whale Expanse iVan U/F Bulk: Model IW0801UB
• Whale Expanse G/E U/F iVan Lin Zigbee: Model IW8212UR