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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
if the fail-safe mechanism does not engage
it utilizes a standardized A-B flow characteristic to prevent hunting and ensure stable room temperatures
115V blower motor pre-loaded into a precision-engineered blower wheel and housing to ensure optimal CFM delivery across the heat exchanger
the outer casing showing visible bulging or "mushrooming
Wrapped in an IP30 rated enclosure
Dwyer Instruments PRL-156-P1 Pressure Switch 321702-401 if the fail-safe mechanism doesThe Dwyer Instruments PRL 156 P1 Pressure Switch is a heavy duty differential pressure switch designed for critical HVAC and process monitoring applications where system safety and precision are paramount. This robust unit features an adjustable 1 to 30 inch W. C. range, making it ideal for monitoring pressure drops across filters, coils, and fans in commercial air handling systems. Engineered with a manual reset on decrease mechanism, this switch