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and 51 boiler controls
Corrosion Resistance: Formulated to resist the corrosive effects of combustion byproducts in the exhaust stream
Precise Thermal Calibration: Features a factory-set 180°F opening point to protect the heat exchanger from excessive internal temperatures
this black control knob provides the necessary leverage and indexing for accurate mixing valve calibration in both residential and commercial hydronic systems
Siemens Industrial Controls 3TX7144-1E4 Socket and 51 boiler controlsThe Siemens 3TX7144 1E4 is a professional grade 11 pin octal relay socket engineered for industrial control and HVACR logic circuits. This heavy duty SIRIUS relay socket is designed to support the 3TX71 series plug in relays, providing a high integrity connection point for 3 pole double throw (3PDT) switching operations. Built with a robust thermoplastic housing, the unit features screw terminals with pressure clamp washers that facilitate secure
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