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Secure Porting: Standard 1/4" NPT threading facilitates leak-free installation with common hardware
22 and MSS SP104 standards
By maintaining consistent voltage bleed-off
eliminating the need for custom linkages
Reznor 221251 Pressure Switch Els PW 17895 Secure Porting: Standard 1/4" NPTThe Reznor 221251 is a critical OEM replacement pressure switch designed for precision airflow monitoring in Reznor HVAC equipment. Calibrated to a 2. 65" wc pressure rating, this component ensures the inducer motor is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC safety switch, it serves as the primary safeguard against inadequate venting or combustion air blockages. Built with a
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