Armstrong Furnace R20518401 Sequencer 321894-708 #4 oil at 300 SSU

#4 oil at 300 SSU (0-90 PSI)

000 AFC protected

Constructed with a 2-blade configuration and a 1/2-inch bore

Key Benefits: OEM Precision: Genuine Rheem-Ruud factory replacement ensures exact fitment and prevents common field-adjustment issues

this condenser top cover ensures optimal airflow while shielding internal components from debris and environmental damage

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