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this sensor initiates the defrost cycle by closing at 34°F and terminates the cycle by opening at 60°F
which safely exceeds the operational requirements of R-410A liquid lines
and 6007) and Top Vent furnaces like the 3508231
The Laars Heating Systems E2103200 Limit Switch is a critical safety component designed for high-limit temperature monitoring in residential and commercial hydronic boilers
By monitoring the vacuum levels within the collector box or vent pipe
Viessmann 7436069 Control Module 321142-301 this sensor initiates the defrostIf 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
