Description
This single pole single throw (SPST) switch is factory-calibrated to a 0
making it suitable for standard pressure steam boiler environments
preventing the nuiscance tripping or voltage drops often associated with generic multi-tap alternatives
ensuring optimal static pressure and volumetric airflow for heat exchange efficiency
Leaks often occur due to stress cracks on the barbed nipple or sediment buildup clogging the trap
Reznor 193809 Pressure Switch 30067439-890 This single pole single throwThe Reznor 193809 Pressure Switch is a mission critical 0. 65" WC air pressure switch kit designed for precise combustion air monitoring in Reznor unit heaters. Calibrated to trigger at a 0. 65 inch water column setpoint, this HVAC induction fan safety switch ensures the inducer motor maintains the necessary vacuum pressure for safe flue gas venting before ignition. This replacement kit is the correct Reznor OEM part cross reference for legacy
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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