Dwyer Series 1831 DPDT Low Differential Pressure Switches 1831-1-RA-S,
One of our most popular differential pressure switches is now available with a
DPDT switch and manual reset. The Series 1831 DPDT Low Differential Pressure
Switches combine small size with 4% set point repeatability. Absolutely no power
is require to operate the DPDT switch. Set point adjustment on the switch is easily
accessible for modifying the set point.
The Series 1831 DPDT Low Differential Pressure Switches with Manual Reset eliminate
common problems associate with typical high duct static cutout installations. Since
the 1831 requires absolutely no power to drive its outputs, a separate power loop
and its associated additional wiring and conduit is alleviate.

