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To utilize the ESP bypass-free functionality
Whether you are performing standard HVAC system diagnostics or rectifying a total ignition failure
this regulator is designed strictly for non-potable hydronic heating applications and does not meet low-lead requirements for drinking water
When used with compatible Johnson Controls direct-mount actuators
When you are servicing York HVAC systems
Lochinvar & A.O. Smith 100263932 Thermistor 326058-756 To utilize the ESP bypass-freeWhen you're dealing with inconsistent water temps or persistent E5 error codes on a high efficiency unit, the Lochinvar & A. O. Smith 100263932 Thermistor is the OEM replacement part you need to restore precise temperature regulation. This Negative Temperature Coefficient (NTC) sensor is the general lower thermistor, designed to monitor the bottom of the tank and provide the control board with the real time data required for accurate burn modulation