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and cooling tower motors where real-time proof of flow or belt-loss detection is critical for system interlocks
This is an authentic York OEM replacement part
a 50-second trial for ignition
maintaining the original UL safety listings of the equipment
press the diagnostic pushbutton
Dwyer Instruments 1900-10MR Pressure Switch 326010-701 and cooling tower motors whereThe Dwyer 1900 10MR is a precision engineered low differential pressure switch designed for critical monitoring of air and non combustible gases. As part of the 1900 series, this model offers a versatile set point range of 3. 0" to 11. 75" w. c., making it a staple for contractors managing high limit applications where safety and system integrity are paramount. The manual reset functionality ensures that any pressure excursion beyond the set point
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