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Designed with 3/8" x 5/8" ODF connections
Fail-Safe Logic: Integrated spring return functionality provides an essential safety layer by resetting the valve during power interruptions
Corrosion Resistance: High-grade stainless steel construction prevents premature failure in high-moisture or coastal environments
Ensure your client's hydronic heating system achieves peak reliability with this durable
Nordyne 632550R Pressure Switch 320788-704 Designed with 3/8" x 5/8"The 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
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