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Common Questions Is the blue housing indicative of a specific pressure range
Built for the technician’s convenience
Designed with dual-beam non-dispersive infrared (NDIR) technology
If the communication failure (Code C1) is isolated to the inverter PCB assembly
Dwyer Instruments DA-7031-153-1 Pressure Switch R-407C Common Questions Is the blueThe Dwyer DA 7031 153 1 is a high performance Bourdon tube pressure switch designed for precision control in commercial and industrial HVACR applications. This adjustable deadband pressure switch features an operating range of 0. 125 to 15 psig, providing reliable setpoint management for low pressure systems. Engineered with a brass Bourdon tube and a durable SPDT switch rated for 10 amps, the DA 7031 153 1 ensures long term endurance and
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