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The RDP series are galvanized steel, single blade dampers compete with a 12 VDC motor actuator. These dampers are shipped complete and ready for installation. The RDP can be installed in any position in any properly sized duct. All RDP dampers are rated for duct systems less than 2 Inch WC.
  • The MP12M motor has been tested to over 1000000 cycles to provide long life
  • A 12 VDC damper motor, model MP12M, powers the RDP
  • The RDP motor also has a 2-color LED to indicate the damper position
  • Direct drive linkage
  • Daisy chain up to 10 dampers on each zone
  • 25 feet modular cord included with each damper
Item#:
RDP07
Manufacturer Item:
RDP07
Manufacturer:
ZONEFIRST
Zonefirst RDP Galvanized Steel Automatic Round Zone Damper with MP12M Plug-In Motor, 6" The RDP series are galvanized steel, single blade dampers compete with a 12 VDC motor actuator. These dampers are shipped complete and ready for installation. The RDP can be installed in any position in any properly sized duct. All RDP dampers are rated for duct systems less than 2" WC.
  • The MP12M motor has been tested to over 1000000 cycles to provide long life
  • A 12 VDC damper motor, model MP12M, powers the RDP
  • The RDP motor also has a 2-color LED to indicate the damper position
  • Direct drive linkage
  • Daisy chain up to 10 dampers on each zone
  • 25 feet modular cord included with each damper The RDP series are galvanized steel, single blade dampers compete with a 12 VDC motor actuator. These dampers are shipped complete and ready for installation. The RDP can be installed in any position in any properly sized duct. All RDP dampers are rated for duct systems less than 2" WC.
Item#:
RDP06
Manufacturer Item:
RDP06
Manufacturer:
ZONEFIRST
Zonefirst RDP Galvanized Steel Automatic Round Zone Damper with MP12M The RDP series are galvanized steel, single blade dampers compete with a 12 VDC motor actuator. These dampers are shipped complete and ready for installation. The RDP can be installed in any position in any properly sized duct. All RDP dampers are rated for duct systems less than 2 Inch WC.
Item#:
RDP08
Manufacturer Item:
RDP08
Manufacturer:
ZONEFIRST
The spring return damper motor actuator is designed to operate automatic air control dampers. This actuator features a synchronous hysteresis motor designed for long life with unique lost motion drive to protect the gear train from closing shock. THE MSS has been cycle tested to over 250,000 cycles and has been specifically designed for silent operation. Many spring return motors have a loud gear noise and damper spring returns to its normal position. The MSS has a patented design air brake slowing the spring return motion to eliminate the noise. This motor is made for easy replacement and includes a hex wrench used to loosen the set screw of the old motor and to tighten the new motor. The MSS has an easy slip-on cover for wiring that secures tightly with a screw. The wiring connections are made with wire nuts to wire leads and pass thru the plastic strain relief grommet.
  • Motor powers the damper typically to Closed and Spring Returns it back open for fail safe operation
  • The dampers can be reversed in the field using the same motor
  • 5/16 Inch deep coupler for 5/16 Inch shaft
Item#:
MSS
Manufacturer Item:
MSS
Manufacturer:
ZONEFIRST
Zonefirst RDS In-Line Mount Single Blade Steel Automatic Round Zone Damper The RDS series are galvanized steel, single blade dampers compete with a 24 volt, spring return motor actuator. These dampers are shipped complete and ready for installation. The RDS can be installed in any position in any properly sized duct. All RDS dampers are rated for duct systems less than 1 Inch WC. All RDS dampers are typically shipped as power close dampers that are powered close and spring returned opened. The RDS is also unique in that it can be field converted from powered closed to powered open in less than a couple of minutes.
Item#:
RDS06
Manufacturer Item:
RDS06
Manufacturer:
ZONEFIRST
Zonefirst ZDSP Side Mount Parallel Blade Mill Extruded Aluminum Rectangular Zone Damper with MP12M Plug-In Motor, 14 x 10"
  • Actuator and 25 feet modular cord standard four (4) conductor telephone wire is included
  • Plug-in motor power open/close
  • Daisy chain up to 10 dampers on each zone
  • The motor also has a 2-color light emitting diode (LED) to indicate the damper position
  • The motor cycles between open and closed in less than 5 sec
  • Minimum position setting
  • Motor tested over 1000000 life cycle to provide long life
  • Zinc plated linkage arm, delrin bushings
  • The ZD series are extruded aluminum parallel blade dampers compete with a power open power close plug-in motor
  • The lightweight ZD can be installed in any position in any properly sized duct
  • All dampers are 1/4" undersized from their listed size
  • Dampers are ordered as ZDSP for side mount, width by height, as the motor and end plate will be on the smaller dimension, for typical insertion into the side/shorter dimension of the duct
Item#:
ZDSP1410
Manufacturer Item:
ZDSP1410
Manufacturer:
ZONEFIRST
The Mini-MasterZone 2 zone panel is an economical 2 zone only panel for 1-stage heating and cooling systems. Compatible with any 4/5 wire (Y-G-R-C-W) thermostats, this panel is the simplest zoning system yet, needed with hydro-air and electric heating systems. Built-in LEDs indicate system status and indicators to show each zone's call. This panel features new color coded screw-less terminal blocks making wiring quick and simple. The MMP2 controls only the new plug-in dampers. When any zone calls for heating (or cooling), the panel accepts the first call, opens the damper to the calling zone, closes the dampers to the satisfied zones and activates the HVAC Unit. Any calls for the same mode, heating or cooling, will have their zone damper open and receive conditioned air. If an opposite call is made during this time, it will be held until the first mode calling is either satisfied or a maximum of 20 minutes expires, which then after an approximate 2 min purge time, will switch over and satisfy the opposite call. Once all heating and cooling calls are satisfied the panel will accept fan only calls and cycle the dampers to supply air only to those zones with the fan switch in the ON position. If there are no heat, cool or fan only calls, all dampers return to the open position.
Item#:
MMP2K
Manufacturer Item:
MMP2
Manufacturer:
ZONEFIRST
Item#:
MDP3
Manufacturer Item:
MDP3
Manufacturer:
ZONEFIRST
Item#:
MDPA2
Manufacturer Item:
MDPA2
Manufacturer:
ZONEFIRST
The ZD series are extruded aluminum parallel blade dampers compete with a 24 volt, spring return motor actuator. These dampers are shipped complete and ready for installation. The lightweight ZD can be installed in any position in any properly sized duct. All ZD dampers are rated for duct systems less than 1 Inch WC. In ZDS model motor and end plate will be on the smaller dimension, for typical insertion into the side/shorter dimension of the duct.
  • The motor power the damper closed and spring returns the damper open for fail-safe operation
  • Synchronous motor has been tested to over 250000 cycles to provide long life
  • The ZD motor also has a simple adjustment for setting the damper to a minimum position
  • Zinc plated linkage arm, delrin bushings
  • The ZDS denotes side mount and is ordered width by height
  • All dampers are 1/8 Inch undersized from their listed size
  • 2-wire, 24 volt power close spring return zone damper
Item#:
ZDS1208
Manufacturer Item:
ZDS1208
Manufacturer:
ZONEFIRST
The ZD series are extruded aluminum parallel blade dampers compete with a 24 volt, spring return motor actuator. These dampers are shipped complete and ready for installation. The lightweight ZD can be installed in any position in any properly sized duct. All ZD dampers are rated for duct systems less than 1 Inch WC. In ZDS model motor and end plate will be on the smaller dimension, for typical insertion into the side/shorter dimension of the duct.
  • The motor power the damper closed and spring returns the damper open for fail-safe operation
  • Synchronous motor has been tested to over 250000 cycles to provide long life
  • The ZD motor also has a simple adjustment for setting the damper to a minimum position
  • Zinc plated linkage arm, delrin bushings
  • The ZDS denotes side mount and is ordered width by height
  • All dampers are 1/8 Inch undersized from their listed size
  • 2-wire, 24 volt power close spring return zone damper
Item#:
ZDS2008
Manufacturer Item:
ZDS2008
Manufacturer:
ZONEFIRST
The ZD series are extruded aluminum parallel blade dampers compete with a 24 volt, spring return motor actuator. These dampers are shipped complete and ready for installation. The lightweight ZD can be installed in any position in any properly sized duct. All ZD dampers are rated for duct systems less than 1 Inch WC. In ZDS model motor and end plate will be on the smaller dimension, for typical insertion into the side/shorter dimension of the duct.
  • The motor power the damper closed and spring returns the damper open for fail-safe operation
  • Synchronous motor has been tested to over 250000 cycles to provide long life
  • The ZD motor also has a simple adjustment for setting the damper to a minimum position
  • Zinc plated linkage arm, delrin bushings
  • The ZDS denotes side mount and is ordered width by height
  • All dampers are 1/8 Inch undersized from their listed size
  • 2-wire, 24 volt power close spring return zone damper
Item#:
ZDS16X10
Manufacturer Item:
ZDS16X10
Manufacturer:
ZONEFIRST
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