Pay in 4 interest-free payments of $6.10 Learn more
Ships within 48 hours · Estimated delivery Oct 6 - Oct 11
#4 oil at 300 SSU (0-90 PSI)
Where should the sensor be mounted
5") and your specific coil model number prior to installation
000 AFC protected
this harness provides a direct fit for 24VAC systems
Armstrong Furnace R20518401 Sequencer 321894-708 #4 oil at 300 SSUOptimize your heating system with the genuine Armstrong Furnace R20518401 Sequencer. Also recognized as the ELEC. HEAT SEQUENCER, this OEM replacement part is engineered to manage the staged activation of heating elements in electric furnaces and air handlers. By preventing all elements from powering on simultaneously, this 24V heat relay protects your electrical system from circuit overload and ensures a smooth, consistent distribution of warmth. Its
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