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airtight fit in 3/8-inch duct holes
the HPR-25 is the current technical equivalent for legacy part numbers 2815-004
Broad Compatibility: Drop-in interchangeable ignition control for legacy BG and G series models
making it ideal for HVAC mechanical rooms and industrial heat exchangers
Nordyne 632571 Pressure Switch 326058-756 airtight fit in 3/8-inch ductThe Nordyne 632571 Pressure Switch is a critical safety and operational component designed for negative pressure monitoring in high efficiency furnace and HVAC applications. This SPST pressure switch is factory calibrated to a set point of 1. 3" WC (water column), ensuring the inducer motor is moving sufficient combustion air through the heat exchanger before ignition occurs. Built with a standard 1 4" barb connection for vacuum hose integration, this
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