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the York S1-2HK16501506 is rated for 208-240V
installing this OEM-spec part is essential for maintaining the ANSI B109
Common Questions Is the SA47-101-102 compatible with Series 51 or 851 feeders
ideal for unit ventilators and fin tube casings
while configured for Natural Gas out of the box
Dwyer Instruments 1640-0 Switch 324846-701 the York S1-2HK16501506 is ratedThe Dwyer Instruments 1640 0 Switch is a high precision differential pressure switch engineered for specialized HVACR applications requiring floating contact null switch logic. Unlike standard snap acting switches, the 1640 series utilizes a single pole double throw (SPDT) floating contact design to provide two distinct actuation pointshigh and lowwith a defined "null" zone in between. This makes it an ideal solution for motorized damper control and