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Is the 1/4" barb connection universal
95" outside diameter and a 7/8" fixed bore
Its factory-calibrated signal output eliminates the guesswork during hydronic system diagnostics
Direct OEM Fit: Drop-in replacement control board for HK61EA008 with identical terminal mapping
Advanced Diagnostics: Integrated LED flash codes allow for rapid identification of ignition failures or flame sense issues
Siemens Combustion 7MF-421-300 Pressure Sensor 323055-751 Is the 1/4" barb connectionThe Siemens SITRANS P DS III 7MF421300 is an industry standard differential pressure transmitter designed for high precision monitoring of liquids, gases, and vapors in demanding combustion environments. Engineered with a piezoresistive silicon sensor, this unit delivers a linear 4 20mA output signal proportional to the input pressure, ensuring seamless integration with Siemens burner management systems and PLC architectures. This specific model
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