this unit is an intermittent duty solenoid

preventing the dangerous accumulation of combustion gases and potential carbon monoxide buildup inside the structure

Superior Conductivity: Features 18-gauge nickel chrome lead wires that are metallized in place for maximum mechanical holding strength and low-resistance electrical contact

featuring a 425 PSI cut-out to prevent over-pressurization and a 325 PSI cut-in for automatic reset

Lennox 46F12 Relay Els PW 17895 this unit is an intermittentThe Lennox 46F12 Relay is a specialized SPST 24V relay designed for sequence control and delay purge cycles in residential and commercial HVAC units. This component, which is identical to 46F1201, acts as a primary control interfacetypically managing blower motor timing or burner ignition sequences to ensure safe combustion gas evacuation. Built for 24 volt control circuits, the 46F12 provides precise timing intervals (on 25 55 sec off 14 45 sec)