maintaining the precise tolerances required for the pressure switch to close consistently

For steam services

provided the load does not exceed the 8 Amp continuous inductive rating

providing superior capture of microscopic contaminants including pollen

If the circuit remains open when cool

Reznor 221388 Timer 30067439-890 maintaining the precise tolerances requiredReliable ignition and combustion cycles in HVAC equipment rely on precise sequencing, making the Reznor 221388 Timer a critical OEM component for professional service calls. This 10 second timer delay relay is engineered specifically for Reznor heating units to manage the timing of electrical circuits, ensuring that blowers or burners engage and disengage at the exact intervals required for safe operation. Built to meet the rigid Reznor factory