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The Laars Heating Systems E2103200 Limit Switch is a critical safety component designed for high-limit temperature monitoring in residential and commercial hydronic boilers
Auto-Reset Functionality: Designed to restore circuit continuity once the system returns to a safe operating temperature
positive-acting design ensures accurate sensing in the supply plenum
The normally open spring return mechanism provides a critical fail-safe
Viessmann 7436069 Control Module 321142-301 The Laars Heating Systems E2103200If 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
