Nordyne 621451R Sequencer Thermal Protection: Solid-state construction eliminates
Baker’s notes & crumb story
Description
Thermal Protection: Solid-state construction eliminates moving parts and contact pitting
In high-efficiency combustion systems
replacement is required
meaning the switch will reset once the temperature drops 20 degrees below the cutout point
Nordyne 621451R Sequencer Thermal Protection: Solid-state construction eliminatesThe 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