Dwyer Series 1630 Large Diaphragm Pressure Switch 1638-0,
On the Series 1630 Large Diaphragm Pressure Switch our highest precision
conventional large diaphragm pressure switch provides maximum dependability. In
addition, it incorporates a visible set point indicator for maximum convenience. UL and
CSA listed, FM approved for general service. Electrical capability of 15 amps handles
most small electrical loads. For use only with air or compatible gases.

