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FMD series
Using it with natural gas is unsafe and will void proper operation
Installation of the 1184270 top panel secures the upper section of the furnace or air conditioning cabinet
Robust Protection: Equipped with internal fuses to protect the 40VA transformer and pump outputs
Dwyer Instruments 1831-1-RA-S Pressure Switch Freon FMD seriesThe Dwyer Instruments 1831 1 RA S Low Differential Pressure Switch is a critical safety component designed for precise HVAC pressure monitoring and air flow verification. This model operates within a set point range of 2. 5 to 9 inches w. c., making it ideal for high static pressure applications where manual intervention is required following a trip. Built with a silicone diaphragm and a rugged Type 1 enclosure, this switch manages a 10 psi maximum
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