Copyright RetroZone inc.2012

FLEXDAMPERS

RetroZone's patented energy saving Flexdamper system makes retro-fit zoning and other types of HVAC air control practical and affordable.  The energy saving Flexdampers are designed to insert into the existing ductwork with little or no modification and will operate with almost any brand of zone control panel. 

IN RETROFIT APPLICATIONS use Flexdampers whenever the job requires more than one damper per zone. The Flexdamper's lower unit cost makes zoning practical in retrofit, multi duct systems that may need several dampers per zone cutting material and labor costs by thousands.
 

IN NEW CONSTRUCTION use Flexdampers where in-truss or other hard to access ducts will not allow the use of mechanical dampers.  Flexdampers are designed to work in steel or flexible duct and can be easily serviced from a register or plenum.
 

MATERIALS used by the military in F-16 fighter aircraft, medical apparatus, and HVAC ducts around the world make Flexdampers resistant to heat, moisture, aging, airborne chemicals, and ozone, delivering many years of reliable service.  Unlike a balloon, when inflated the Flexdamper skin is not stretched and fatigued.  The skin simply repositions itself at ultra low air pressure to block airflow through the duct. In the unlikely event the outer Flexdamper skin is punctured, the constant supply of air the SPP Solenoid Pump Panel makes the leak virtually unnoticeable to system operation.

 

this same system was previously sold under the “Enerzone Systems Corp. “ Brand

 

 

 

ROUND FLEXDAMPERS


Available in 4,5,6,7,8,9, and 10 inch sizes, Flexdampers are stocked for immediate delivery.  Dampers are packaged in a clear poly bag and come with a straight and "T" connector.



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RECTANGULAR FLEXDAMPERS

Install through the register or plenum into an existing rectangular section of sheet metal.  Remotely powered by air, the rectangular Flexdampers are not hindered by the presence of a bulky motor on the outside of the damper or on the inside of the damper to disrupt airflow.

Easily bent or folded, the rectangular Flexdamper is inserted through a register or other smaller opening, making this damper your only option for retrofitting air control into ducts that have been covered with sheet rock or other obstacles, eliminating sheet metal cutting.

Rectangular Flexdampers fit several sizes of duct, due to their "trim-to-fit" design.  Simply measure the size of the duct and trim the blade and base of the rectangular Flexdamper to the correct size using scissors or a razor knife.

Rectangular Flexdamper Sizing Chart



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Rectangular ducts 10"x04" and smaller rectangular ducts 14" x 08" to 6" x 6" rectangular ducts 24" x 08" to 14" x 08" rectangular ducts 14" x 12" to 14" x 08" rectangular ducts 24" x 12" to 14" x 12"  



 Specs for Round and Rectangular Flexdampers

Rated Cycles: Average of 250,000 cycles, depending on environment
Temperature Range:  0° to 200° F intermittent, 0º to180º F continuous Inflation Pressure: 10 W.C. (Approx.1/3 PSI)
Leakage: 10% Average.
Static Pressure:  Flexdampers are rated for static pressure to .5"
Pump: 110VAC with 24VAC interface. A single pump will handle most applications.  Certain installations requiring automatic heat/cool changeover, or using multiple large Flexdampers will require faster actuation times--add a second pump if needed.

AIRZONE SOLENOID PANELS AND PUMPS

NEW!   Airzone SPP-SD

Super Duty Solenoid Pump Panel

 


Introducing our SPP-SD Super Duty version of the SPP panel with the new and improved EP-2 pump.  This EP-2 pump is more powerful and quieter than our original EP-1 Expansion Pump.  All of our SPP-SD Panels include one pump so you do not need to order an additional pump unless you have a large number of zones and dampers.  The pump is designed to hang from the wall and operates whenever the fan, AC or furnace is in operation.

 

Use Airzone SPP-SD Panels with round and rectangular Flexdampers™.  Airzone™ Solenoid Panels are compatible with any conventional zone control system that supports two-position, 24vac dampers.  This includes, but is not limited to most Zone Control panels made by Honeywell, Durozone, Durodyne, EWC, Aprilaire, Lennox, RCS, Ecojay, Robert Shaw, Zone Perfect and Jackson Controls.

 

The 24VAC electrically actuated air switches, pump, and other components that make up the SPP and SPP-SD panels actuate the Flexdampers™.  All models come in a steel enclosure with a hinged door.  The number of solenoids is designated by the model number.

 

Airzone SPP Panels use both pressure and vacuum for precise Flexdamper™ actuation. The Solenoid panels can be used with any electronic zone control panel or can be operated directly with thermostats for slave zone control.  Thermostats can tie directly to the 24VAC solenoid.

 


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Airzone SPP Solenoid Pump Panel


Use SPP Panels with round and rectangular Flexdampers.  Airzone Solenoid Panels are compatible with all electronic zone control panels.
The 24VAC electrically actuated air switches, pump, and other components that make up the SPP panels actuate the Flexdampers.  All models come in a steel enclosure with a hinged door.  The number of solenoids is designated by the model number.

SPP Panels use both pressure and vacuum for precise Flexdamper actuation. The Solenoid panels can be used with any electronic zone control panel or can be operated directly with thermostats for slave zone control.  Thermostats can tie directly to the 24VAC solenoid.





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ZONE CONTROL ACCESSORIES

Solenoid


The sturdy three-way switches used in the Airzone solenoid panel connect to the

vacuum and pressure side of the pump while the common port connects to the field damper tubing.  Normally open or normally closed operation is field-selectable by reversing the

tubing connections.  Each SOL can inflate one or more Flexdampers.  ALL Flexdampers

tied to a solenoid will open and close simultaneously.
Specs: 24V operated at about .33 amps. 4.5"x2.5'" x 3"

Used as replacement or expansion.


Airzone solenoid

 Solenoid -- $64.00
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Expansion Pump

 

NEW!  EP-2 Super Duty Expansion Pump

 

 Introducing our new EP-2 Expansion pump with more powerful vacuum and pressure to insure you get the best performance from your Airzone SPP and SPP-SD Panels.  The pump contains two internal 24VAC relays designed to operate the pump in conjunction with the HVAC blower and furnace.  Two diaphragms give a redundant action for extra long life.  One pump should provide adequate airflow for most applications, except where a large number and/or very large Flexdampers are used.  If more damper speed is needed, order an additional pump.  The pump is designed  for wall mounting next to the solenoid panel and operates whenever the fan, AC or furnace is in operation.  Please note:  When you order our SPP or SPP-SD Panel, one pump is included. Use Airzone SPP-SD Panels with round and rectangular Flexdampers™.  Airzone™ Solenoid Panels are compatible with any conventional zone control system that supports two-position, 24vac dampers.  This includes, but is not limited to most Zone Control panels made by Honeywell, Durozone, Durodyne, EWC, Aprilaire, Lennox, RCS, Ecojay, Robert Shaw, Zone Perfect and Jackson Controls.

EP-2 Expansion Pump

$145.00
Add To Cart 
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 EP-1 Expansion Pump

 

The pump used with the SPP panel is a long lasting, continuous duty pump that provide both a source of pressure and a source of vacuum. The pump contains two internal 24VAC relays designed to operate the pump in conjunction with the HVAC blower and furnace.  Two diaphragms give a redundant action for extra long life.  One pump should provide adequate airflow for most applications, except where a large number and/or very large Flexdampers are used.  If more damper speed is needed, order an additional pump.  The pump is designed for wall mounting next to the solenoid panel.
Specs: 3.5"x6"x2.5", about 2 lbs. 11O VAC with 24VAC interface


Airzone Expansion Pump

 Expansion Pump -- $75.50


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Transformers


40VA Plug in transformer use on all zone control systems. Fuse protected, screw terminals.  ALSO COMES IN HARDWIRE AND 75VA. Specs: 3.5"x2.75"x2.25, about 1 lb.  24VAC, 40VA, 1.7 AMP

 

40 Va Plug In Transformer -- $19.00
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40 Va HARDWIRE Transformer -- $19.00                   

Add To Cart  

75 Va HARDWIRE Transformer -- 37.00
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PLENUM TUBING


Plenum Tubing
120' roll, 3/8 o.d., 1/4 i.d. Plenum Tubing -- $34.00
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PRODUCT: 250' roll, 3/8 o.d., 1/4 i.d. Plenum Tubing -- $56.00
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Fire Rated Connect Tape
Ten yards of special heat activated tape for joining ends of round Flexdampers, not needed for rectangular Flexdampers

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 Fire Rated Connect Tape -- $13.70


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ECL Evaporator Control Limit Switch


RetroZone's popular ECL switch is a great, low cost, low refrigerant temperature switch that prevents AC coil freeze up.  Frozen coils can be caused by improper refrigerant charge, dirty filters, malfunctioning dampers, burned out fans, and many other reasons.  The ECL switch snaps on the suction line at the evaporator coil, and has a simple two wire connection that can wire in series to the "Y" compressor circuit.  At 38° F refrigerant suction line temperature, the contacts open to offline the compressor, and does not reset until 50° F. Flutter-proof snap acting switch will not short cycle compressor, and can also be used to open all dampers on a zoning system. Great protection, great price, and well proven.
Specifications: About l"xl"x2" with bracket., 15 AMP contacts

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Evaporator Control Limit Switch -- $13.00


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