Reznor 221388 Timer 30067439-890 Industrial Build Quality: Features a

Industrial Build Quality: Features a 1/2-inch bimetal disc for reliable thermal response and long-term durability in high-cycle environments

This part is functionally identical to the 32003532-005/U universal model

Superior 750mV Output: Delivers a consistent electrical current to maintain the electromagnetic circuit under varying gas pressures

using a genuine Honeywell actuator spring prevents common issues like hysteresis or insufficient close-off pressure

Industrial-Grade Construction: Built with high-quality materials to withstand the high-static pressure and thermal stress of the burner compartment

Reznor 221388 Timer 30067439-890 Industrial Build Quality: Features aReliable 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