This part is essential for protecting heat exchangers and blower motors from the dust buildup that leads to premature component failure and efficiency loss

TEAO Enclosure: Prevents dust and moisture ingress

Optimized signal conditioning reduces interference for cleaner BMS communication

it maintains the operational integrity of the system by automatically interrupting the common connection or "Y" point if factory-set limits for heat and amperage are exceeded

ready for integration into the existing air handler

Viessmann 7436069 Control Module 321142-301 This part is essential forIf you are servicing a Vitodens 200 W WB2B series boiler, the Viessmann 7436069 Control Module is the designated Power Pump Control Module WB2B v2 required to manage critical hydronic circulation. This 120V, single phase HVAC replacement part is engineered to coordinate power distribution and pump logic, ensuring the system responds accurately to heating demands while maintaining high efficiency water flow. It interfaces directly with the boiler's