Reznor 89661 Timer Refrigerant or a ruptured diaphragm within

or a ruptured diaphragm within the S1-024-25329-706 itself

or the control board throwing a flash code for "Pressure Switch Stuck Open

Attempting to wire this for single-phase or lower voltage will result in a significant drop in kW output and potential damage to the element or the HVAC repair integrity

High Thermal Tolerance: Rated for up to 250°F ambient temperature

This OEM York furnace part is essential for maintaining design-specified CFM and system efficiency in high-duty cycle environments

Reznor 89661 Timer Refrigerant or a ruptured diaphragm withinThe Reznor 89661 Timer is a critical engineering component designed for high performance HVACR control, specifically serving as a freeze stat bypass time delay relay. Engineered for heavy duty unit heaters and rooftop units, this genuine Reznor OEM replacement part ensures system stability by temporarily overriding the freezestat during initial cold weather startup. By managing the FRZSTAT bypass interval, it prevents nuisance shutdowns and short