HTS - Baxi Potterton Main Boiler Diverter Valve Cartridge + Actuator Motor 7656807 720003100 7216534 248733 Upgrade and maintain your boiler’s efficiency with the HTS - Baxi Potterton Main Boiler Diverter Valve Cartridge + Actuator Motor. This high-quality replacement set is designed to regulate the flow of water between heating and domestic hot water, ensuring optimal system performance. Compatible with various Baxi, Potterton, and Main models, it’s a reliable solution for repairing or maintaining your boiler.