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Technicians use these for low-voltage signal feedback to the controller
This specific part number refers to the replacement heater coil and frame assembly
ensuring electrical and mounting alignment without field modification
the 2400-442 ensures accurate temperature regulation and enhanced reliability in demanding environments
including EB4
Resideo L8124G1020 Relay R-407A Technicians use these for low-voltageThe Resideo L8124G1020 Relay is a specialized Triple Aquastat Relay designed for forced hydronic heating systems that require high limit protection, low limit control, and circulator management. This immersion type controller features SPST high and low limit switching to maintain boiler water temperature and ensure efficient domestic hot water service. For multi zone applications, this unit allows for independent control by using an R845 Relay for
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