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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
This wall-mounted 10k ohm NTC sensor is engineered as a direct replacement for the 41-25090-27 and integrates seamlessly with VisionPRO and VisionPRO IAQ series thermostats
ensuring plug-and-play installation without field modifications
How do I know if this back plate needs replacement
It maintains precise alignment during valve travel
first verify static pressure and temperature rise across the heat exchanger before replacing the switch
Johnson Controls A11A-1 Freezestat Els PW 17895 This wall-mounted 10k ohm NTCThe Johnson Controls A11A 1 is a robust low temperature cutout freezestat designed to provide failsafe protection for hydronic coils, cooling coils, and liquid handling pipes. Featuring a manual reset mechanism, this SPST open low control ensures that systems remain offline following a low limit event until a technician can verify field conditions. The unit utilizes a 20 foot vapor charged sensing element that triggers the internal snap acting
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