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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Common Questions Is the 195643 compatible with 115V and 230V Reznor units
maintaining the same electrical footprint and mounting specs
Designed for zero-crossing detection
Does this timer require a neutral wire
While the MPR-5613 is a base model
Laars Heating Systems 2400-556 Flow Sensor 319847-401 Common Questions Is the 195643The Laars Heating Systems 2400 556 Flow Sensor is a precision engineered OEM replacement part designed for critical fluid dynamic monitoring in hydronic boiler systems. As a veteran grade HVAC flow sensor, this component ensures the boiler maintains appropriate flow rates before allowing the ignition sequence, protecting the heat exchanger from dry firing and thermal stress. This sensor is specifically calibrated for compatibility with the Laars