Viessmann 7838384 R-410A preventing short-cycling and protecting the

preventing short-cycling and protecting the internal motor windings from thermal stress

the internal contacts may be damaged

Operating at 208-230Vac on a single phase

permanent solution for HVAC energy management and control protection

Contractor Grade: Built with robust internal components to handle frequent cycling and voltage fluctuations

Viessmann 7838384 R-410A preventing short-cycling and protecting theThe Viessmann 7838384 is a direct replacement Control Console WB2B 19 60 specifically engineered for the Vitodens 200 W WB2B series boilers. Designed for precise integration with units ranging from 19 to 60 kW, this on board control unit serves as the central intelligence for your hydronic system. It manages critical functions including weather compensated operation, flame modulation, and multi temperature circuit management. This console features an