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The unit features a factory-calibrated thermistor sensor that maintains 1 degree accuracy
maintaining system pressure without excessive steam loss
What voltage does this model require
Durable Construction: Fabricated from high-grade steel with a neutral beige enamel finish to match the factory cabinet color
this assembly provides the structural integrity required for long-term reliability in demanding mechanical environments
Viessmann 7436069 Control Module 321702-401 The unit features a factory-calibratedIf 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