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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Fail-Safe Logic: Integrated spring return functionality provides an essential safety layer by resetting the valve during power interruptions
Constructed from non-combustible refractory fiber for superior fire protection
which can lead to improper vacuum readings and system lockouts
this part is often compatible with AirEase and Ducane units that share the same technical specifications
Corrosion Resistance: High-grade stainless steel construction prevents premature failure in high-moisture or coastal environments
Nordyne 632550R Pressure Switch 320788-704 Fail-Safe Logic: Integrated spring returnThe Nordyne 632550R Pressure Switch is the genuine OEM replacement for the legacy 632550 model, specifically engineered for high efficiency Nordyne furnace units and related HVAC systems. As a critical safety component, this normally open (NO) pressure switch is factory calibrated to a 1. 0" WC make and 0. 7" WC break setpoint. It utilizes a negative pressure diaphragm to verify the draft inducer motor is generating sufficient static pressure before