74548141
Jul 11, 1994
Nov 12, 1996
plumbing fittings, namely an integrated combination of an inlet valve having an internal strainer with a pipe union and a pressure/temperature readout port; an integrated pipe union and a pressure/temperature readout port a two-way flow control valve; and a ball valve with an integrated pipe union, a fluid flow venturi and a pressure readout port and a temperature readout port, for a heating or cooling coil piping installation
Environmental Control Apparatus