Pneumatic Selector Relay, Transmit the Higher of Two Input Signals, Lock Out One Pressure Signal when a Second Signal is Higher, 3 Port, 0-20Psi Normal Operating Input Pressure, Includes Bracket, 1 1/2" Mounting Clip for Mounting Relay to a Wall or Panel

Pneumatic Selector Relay, Transmit the Lower of Two Input Signals, Lock Out One Pressure Signal when a Second Signal is Lower, Repeater Relay, 3 Port, 0-20Psi Normal Operating Input Pressure, Includes Bracket, 1 1/2" Mounting Clip for Mounting Relay to a Wall or Panel

Snap Acting Pneumatic Relay, Converts a Proportional Air Pressure Change from a Controller to a Positive ( Two Position ) Pressure Change, Manual Adjustable Switching Pressure, Proportinal to 2 Position Converter, 1 Psi Maximum Differential Pressure Range, Includes Bracket and 1 1/2" Mounting Clip for Mounting Relay to Wall or Panel, 0-140 Degree Temperature Range, 5-95% RH Operating Humidity Range, 5/32" Barb Fittings, Adjustable 3-15 Psi Setpoint Range