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This auxiliary block snaps onto the side of the definite purpose contactor frame
Rated as a L280-40F furnace limit switch
Key Benefits: Enhanced Vibration Dampening: Thick-gauge rubber absorbs high-frequency harmonics and low-frequency mechanical vibration from Reznor fan assemblies
Standard Performance: Delivers 1075 RPM rated speed with Class B insulation and ball bearings for quiet
this voltage-sensing switch features a 5% low-heat input calibration
Nordyne 621451R Sequencer This auxiliary block snaps ontoThe Nordyne 621451R Sequencer is a critical 2 pole electric furnace control designed to manage the timed energization of heating elements and blower circuits. Built for 10KW and 12KW electric furnaces, this OEM replacement sequencer prevents massive electrical surges by staggering the activation of heat strips using internal resistive timing. As a veteran grade HVAC sequencer relay, it ensures that your system engages its various heating stages