JOHNSTONE SUPPLY

Description:

• Regulate air flow in variable air volume (VAV) boxes
• Control output volume between adjustable minimum and maximum limits in response to reset signal from the thermostat or other master controller
• fully adjustable reset start point, reset span and minimum and maximum flow set points
• provide controllable flow down to 0.01" WG velocity pressure
• range adjustable from 0.15" to 2.0" WG
• isolated diaphragm design accepts any sensing line
• Fits most competitors mounting brackets
• barbed fittings provided on all ports
• Includes replaceable filter/orifice assembly
• thermostat: Direct acting / reverse acting

Configuration: DADR/RARR; Mfg. #: P-3800-1; Thermostat: Direct Acting/Reverse Acting;