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Home > Zoning, Venting & Economizer Controls
Zoning, Venting & Economizer Controls
  • ECONOMIZER CONTROLS
  • ECONOMIZER LOGIC MODULES
  • DAMPER ACTUATORS
  • PROPORTIONAL MOTORS
  • VENTS
  • VENT HOODS
  • DUCTWORK
  • FLUE CAPS
  • LOUVERS
  • BOOSTER FANS
  • ROOF FLASHINGS
HVAC Parts by Source1,Honeywell, DiversiTech and much more.

Call 800.227.9922 Monday-Friday / 8AM-5PM pacific time for more information

Browse by sub-category below or you can scroll down until you see all Zoning, Venting & Economizer Controls.
DiversiTech Aluminum Dryer Vent Hoods, Kits, and Fittings

DiversiTech Aluminum Dryer Vent Hoods, Kits, and Fittings

Aluminum vent hood with flange plate. Kits include flexible vinyl tubing and two clamps.

S1-650-001 • 4” ALUMINUM HOOD
S1-650-002 • 3” ALUMINUM HOOD
S1-650-003 • 4” HOOD / 8’ TUBING
S1-650-004 • 4” HOOD / 5’ TUBING
S1-650-018 • 4” 90º ELBOW
S1-650-038 • 4” ALUMINUM WIDE MOUTH
DiversiTech Booster Fans

DiversiTech Booster Fans

For hard to heat or cool rooms. Easily installs in branch duct (round, square, or rectangular) which
supplies air to the problem room. Electrical hookup can be to a wall switch, auxiliary switch, thermostat or
directly to the blower making it possible to use all the time or only at certain times. Each booster fan
individually boxed.

S1-625-AF6 • BOOSTER FAN – 240 CFM
S1-625-AF8 • BOOSTER FAN – 420 CFM
S1-625-AF10 • BOOSTER FAN – 650 CFM
S1-625-AF12 • BOOSTER FAN – 975 CFM
S1-625-AF14 • BOOSTER FAN – 1350 CFM
DiversiTech Dryer Hose Clamps

DiversiTech Dryer Hose Clamps

Available for 3” or 4” dryer vent hose. Steel screw design or convenient spring action design.

S1-650-008 • STEEL SCREW CLAMP FOR 4” HOSE
S1-650-010 • SPRING CLAMP FOR 4” HOSE
DiversiTech Dryer Vent Hose

DiversiTech Dryer Vent Hose

High quality flexible white vinyl tubing. Available in 3” or 4” diameters. One 50’ roll per box.

S1-650-005 • DRYER VENT HOSE – 3” X 50’
S1-650-006 • DRYER VENT HOSE – 4” X 50’
DiversiTech Egg Crate Louvers - Air Return Diffusers

DiversiTech Egg Crate Louvers - Air Return Diffusers

White polystyrene 1/2” open cell grid.

S1-650-300 • EGG CRATE LOUVERS – 2’ X 2’ X 1/2”
S1-650-200 • EGG CRATE LOUVERS – 2’ X 4’ X 3/8”
S1-650-100 • EGG CRATE LOUVERS – 2’ X 4’ X 1/2”
DiversiTech Louvered Dryer Vent Hood

DiversiTech Louvered Dryer Vent Hood

Deflecto’s SUpurr-Vent louvered vent hoods are available with aluminum pipe and collar or hood only. Ideal for dryer and
bathroom fan exhausts.
DiversiTech Metallic Duct—2 Ply

DiversiTech Metallic Duct—2 Ply

2 ply metallic duct — aluminum outside, polyester inside. Ideal for bath fan ducting and all purpose venting.
DiversiTech Periscope Connection Kit

DiversiTech Periscope Connection Kit

For tight space duct venting. Contains one male snap-lock fitting and one draw-band with clamp. Adjustable 17” to 28”.

S1-650-020 • 4” PERISCOPE KIT
DiversiTech Plastic Wide Mouth Dryer Vent Hood

DiversiTech Plastic Wide Mouth Dryer Vent Hood

4 " wide mouth hood, pipe and collar (assembled)

Color: White Plastic Hood

Features:

   removable bird guard helps prevent birds and other pests from nesting in vent or entering home
   vent closure designed for maximum airflow
   durable weather resistant
   should self clean with wind or rain
DiversiTech Semi-Rigid Aluminum Duct

DiversiTech Semi-Rigid Aluminum Duct

8’ length compressed to 28”.

S1-650-011 • 4” X 8’ FLEXIBLE ALUMINUM DUCT
S1-650-021 • 3” X 8’ FLEXIBLE ALUMINUM DUCT
S1-650-074 • 6” X 8’ FLEXIBLE ALUMINUM DUCT
DiversiTech Slant Back Roof Louver

DiversiTech Slant Back Roof Louver

Easy to install. Aluminum construction. Fits all roof types.

S1-6-NSB50A • ALUMINUM SLANT BACK ROOF LOUVER
DiversiTech SUpurr-FLEX 5 Ply Duct

DiversiTech SUpurr-FLEX 5 Ply Duct

Pure aluminum 5 ply multi-layered flexible metallic duct. U.L. 181 Listed. Will “contain” a fire up to 265°F.
DiversiTech Versa Cap Flue and Hot Stack Caps

DiversiTech Versa Cap Flue and Hot Stack Caps

Non-clogging positive draft design, recommended for flue or hot stack installation. Clamp fitting adjustable for all standard sizes.
Aluminum model. U.L. Listed.
Honeywell C7660 Selectable Temperature Sensor

Honeywell C7660 Selectable Temperature Sensor

Honeywell C7660 Selectable Temperature Sensor C7660 Selectable Temperature Sensor is used with the W7459, W7215,
W7212, W7213 and W7214 Economizer Controls. The economizer controls are mounted on an M7415/M7215 Actuator.
They permit the use of outdoor air as the first stage of cooling in heating, ventilating and air conditioning (HVAC) systems.
The C7660 Selectable Temperature Sensor is only to be used with single temperature change over with the sensor located
in the outdoor air.
Features:
• Senses temperature of outdoor air and provides a signal to economizer control with OK or not OK to economize.
• Selectable dip switch provides 8 change over temperature options.
• When temperature of outdoor air is below change over temperature, the outdoor air damper is opened to reduce the
cooling load in the building.
• Provides 4 OR 20 mA output signal to economizer control; At 4 mA not OK to economize, 20 mA OK to economize.
• Highly accurate microprocessor control.
• Sensor is enclosed in a rugged, corrosion-resistant plastic case.
• Replaces C7650 temperature sensors and the control function of temperature change over in the economizer control.
• Easy to set change real time temperature settings. The installer can change the temperature set point without cutting
power to the system.
Specifications:
Model: C7660 Selectable Temperature Sensor , Case: Duct mount
Temperature Sensing Element: Thermistor
Output Signal: 4mA not OK to economize, 20 mA OK to economize
Operating Ambient Temperature Range: -40° to 149° F (-40° to 65° C).
Shipping Temperature Range: -40° to 149° F (-40° to 65° C).
Supply Voltage: Power to sensor is supplied through economizer or if not used with an economizer, logic power
input is 21.6 vdc ± 1.5 vdc.
Electrical Connections: Two 1/4 in. (6.4 mm) quick connect terminals.
Approval: Underwriters Laboratories Inc. Flammability Rating UL94-5V
Dimensions: 3-5/32" H x 3-7/8" W x 1" D
Hysteresis: Hysteresis +/- 1F; Economizer Cut-in 1F below setpoint, Cut-out 1F above setpoint ,
Accuracy: ± 1° F
Honeywell Foot Mounted Actuator

Honeywell Foot Mounted Actuator

Spring return motors for two-position back draft, outdoor air changeover, zone, or minimum position damper control.
Features:
• Operate outdoor air dampers for combustion or makeup air in residential and light industrial applications.
• Operate changeover dampers for heating and cooling systems.
• Operate minimum position dampers for ventilation and similar applications.
• Include internal spdt switch for controlling auxiliary equipment, additional motors, or to provide a burner interlock switch.
• Spring returns motor to start position on power failure.
• Drive shafts located on both sides of motor.
• Adjustable auxiliary switch for cascading motors or operating auxiliary equipment.
• Thermal breaker for overload protection during lifting stroke or if motor stalls.
Specifications:
Fail Safe Mode: Spring Return
Torque Rating (lb-in.): 20 lb-in.
Torque Rating (Nm): 2.3 Nm
Timing Opening, Nominal (sec) Open: 30 sec
Run Time (Maximum (sec): 40 sec
Angle of Rotation (Stroke Min (deg): 75
Angle of Rotation (Stroke Max (deg): 75
Motor shafts: 2
Shaft Shape: Hexagonal
Electrical Connections: Screw terminals
Internal Auxiliary Switch: 1
External Auxiliary Switches Available: Yes
Dimensions (in.): 4-1/2”H x 4-5/8”W x 3-3/4”D
Dimensions (mm): 114 mm H x 118 mm W x 95 mm D
Nominal Current Draw Opening (amps): 1.85 A
Nominal Current Draw Holding (amps): 0.6 A
Nominal Power Opening (watts): 40 W
Nominal Power Holding (watts): 8.5 W
Weight (lb): 4 lbs, 10 oz
Weight (kg): 2.1 kg
Humidity Ratings (%RH): 5 to 95% RH
Approvals: Underwriters Laboratories Inc Listed File: E4436, Guide: XAPX
Honeywell M7415 Damper Actuators

Honeywell M7415 Damper Actuators

Spring return, 25 lb.-in. Damper actuators provide spdt floating, two-position, three-position or modulating control of economizer
systems, ventilation dampers and combustion air dampers. M6415 suitable for use with direct digital control (DDC) systems
Features:
• Synchronous motor.
• Spring returns motor shaft to normal position on power interruption.
• Single ended drive shaft with crank arm supplied.
• Uses Q298B Linkage.
Specifications:
Type of Control: Electric
Feedback: No
Fixed Stroke: Yes
Stroke Max (deg, in): 90
Electrical Connections: Quick connect terminals
External Aux. Switches Available: Yes
Motor Shafts: 1
Manual Operation: None
Dimensions: 4-1/2”H x 5”W x 5.19”D (114 mm H x 127 mm W x 132 mm D)
Approvals, Underwriters Laboratories Inc.: File: E4436, Guide: XAPX2
Rotation to Open: CCW
Power Consumption: 8 VA Driving, 5 VA Holding
Honeywell M9164 Modutrol IV Motors

Honeywell M9164 Modutrol IV Motors

Reversing, proportional motors used to operate dampers and valves.
Features:
• Replace M934 Motors.
• Electronic drive circuit.
• Can drive up to six Modutrol motors using 4074BYK Resistor Bag Assembly or 221508A Resistor Board Kit.
• Interface modules available for series 70 (electronic) control.
• Internal actuator motor and circuitry operate from 24 VAC. Line voltage models shipped with internal transformers. Separate
transformer may be required for 24V models for proper system operation.
• Double-ended, 3/8” (10 mm) square crankshaft.
Specifications:
Type of Control: Electric
Control Signal: Proportional Control, 135 ohm
Fixed Stroke: No
Stroke: 90 deg Minimum, 160 deg, in Maximum
External Aux. Switches Available: Yes
Power Consumption: 15 VA
Electrical Connections: Quick connect terminals
Motor Shafts: 2
Shaft Dimensions: 9.5 mm
Shaft Shape: Square
Manual Operation: None
Weight: 7 Lbs.
Dimensions: 6.45”H x 5.5”W x 7.3”D (164 mm H x 140 mm W x 185 mm D)
Includes: 220738A Adapter Bracket
Approvals: Underwriters Laboratories Inc. File E4436, Guide XAPX; Canadian Standards Association File LR1620, Guide
400-E; CE Standard EN55011 (Emission) EN50082-2 (Immunity) 73/23/EEC (LVD)
Honeywell M9185 Modutrol IV Motors

Honeywell M9185 Modutrol IV Motors

Reversing, proportional, spring-return motors used to operate dampers and valves when used in a series 90 control circuit.
Features:
• M9185 replaces M945A,D,F and M955 motors.
• Can be adapted to series 70 control with interface modules.
• Contain integral helical springs to return motor shafts to normal position (full closed for M9175 and M9185, full open for
M9186) on power interruption.
• Oil-immersed motor and gear train provide reliable performance and long life.
• Provide NEMA 3 weather protection with wiring box, when mounted upright.
• Up to six Modutrol motors can be driven by one series 90 controller using 4074BYK Resistor Bag Assembly or 221508A
Resistor Board.
• Internal actuator motor and circuitry operate from 24 VAC. Line voltage model shipped with internal transformer.
• Double-ended, 3/8” (10 mm) square crankshaft.
Specifications:
Type of Control: Electric
Control Signal: Proportional Control, 135 ohm
Feedback: No
Fixed Stroke: No
Stroke: 90 deg Minimum, 160 deg, in Maximum
External Aux. Switches Available: Yes
Power Consumption: 24 VA
Electrical Connections: Quick connect terminals
Motor Shafts: 2
Shaft Dimensions: 9.5 mm
Shaft Shape: Square
Manual Operation: None
Weight: 9.562 Lbs.
Dimensions: 6.45”H x 5.5”W x 8.76”D (164 mm H x 140 mm W x 223 mm D)
Includes: 220738A Adapter Bracket
Approvals: Underwriters Laboratories Inc. File E4436, Guide XAPX; Canadian Standards Association File LR1620, Guide
400-E; CE Standard EN55011 (Emission) EN50082-2 (Immunity) 73/23/EEC (LVD)
Honeywell ML6161 Direct-Coupled, Non-Spring Return Damper Actuators

Honeywell ML6161 Direct-Coupled, Non-Spring Return Damper Actuators

Used to control dampers in applications such as variable air volume (VAV) terminal units, and for mounting on ball valves
Features:
• Superior A/C synchronous submotor for consistent timing and actuator longevity.
• Eliminate need for limit switches or mechanical stops by providing magnetic coupling.
• All models include manual declutch lever, and bag assembly with two minimum position setscrews.
• Mount directly on 3/8” or 1/2” square or round damper shaft.
• Selectable 45, 60, and 90 stroke in either clockwise or counterclockwise direction.
Specifications:
Description: Non-Spring Return Direct Coupled Actuator
Type of Control: Electric
Feedback: With accessory only
Electrical Connections: Screw terminals
Stroke Max (deg, in): Adjustable w/accessory (30, 60, or 90 deg)
External Aux. Switches Available: Yes
Power Consumption: 2.04 VA
Dimensions: 5-9/16”H x 3-3/8”W x 2-1/16”D (141 mm H x 86 mm W x 64 mm D)
Mounting: 3/8” to 1/2” square or round shaft (9 mm to 13 mm)
Approvals, Underwriters Laboratories Inc.: File E4436, Guide: XAPX2
Includes: 4074ENJ Bag Assembly
Honeywell Signal Interface Module

Honeywell Signal Interface Module

Interface module for Modutrol IV motor. For use with Series 91 Mod IV Motors.
Specifications:
Type of Control: Electric
Control Signal: Provides adjustable zero and span, voltage or current control (includes 2-10 Vdc or 4-20 mA). Adapts M91xx
to function as M72xx model.
Electrical Connections (in): Terminal board
Mounting Type: Mounts to quick-connects inside Mod Motor
Dimensions: Fits inside wiring junction box of Modutrol IV Motor
Honeywell W7210D1005 Series 72 Economizer Logic Module

Honeywell W7210D1005 Series 72 Economizer Logic Module

W7210A,D Solid State Economizer™ Logic Modules are used with solid state C7400 Enthalpy Sensors or C7660 Dry Bulb
Temperature Sensors and Honeywell Series 72 actuators to proportion outdoor and return air dampers for economizer control
in commercial HVAC equipment
Features:
• Operates from the commercial thermostat to provide a totally integrated control system.
• Includes enthalpy or dry bulb changeover control, minimum damper position potentiometer and compressor staging relay
functions.
• Optional differential enthalpy control provides greater economizer savings than single enthalpy control by selecting the most
economical air for cooling.
• Differential enthalpy control uses two sensor inputs, one in return air and one in outdoor air then economizer control selects
the air with the lower enthalpy.
• Enthalpy setpoint (A-D) W7210 Solid State Economizer Logic Module controls the combination of air temperature and
humidity suitable for free cooling.
• LED indicates when free cooling is available.
• Mount on the sheet metal duct.
• Mounting screws included.
Specifications:
Use With: Honeywell Series 72 actuators
Comments: Economizer Logic Module operates Series 72 actuators. Optional remote minimum position potentiometer. High
enthalpy limit.
Dimensions: 5-3/16”H x 4-11/16”W x 1-9/16”D (119 mm H x 132 mm W x 40 mm D)
Underwriters Laboratories Inc.: Flammability Rating UL94V-5V
Honeywell W7459 Solid State Economizer Control

Honeywell W7459 Solid State Economizer Control

W7459 Solid State Economizer Logic Modules are used with M7405, M7415 and M8405 Dedicated Economizer Actuators to
proportion outdoor and return air dampers in economizer systems.
Features:
• Attaches to one side of actuator for proportional control of damper.
• Combines solid state changeover control, minimum damper position potentiometer and compressor staging relays.
• Use one sensor in outdoor air for single sensor control; use two sensors, one in return air and one in outdoor air, for
differential control.
Specifications:
Use With: M7415 Damper Actuator
Comments: Economizer Logic Module operates M7415 Damper Actuator. Optional remote minimum position potentiometer.
Dimensions: 5-3/16”H x 4-11/16”W x 1-9/16”D (119 mm H x 132 mm W x 40 mm D)
Underwriters Laboratories Inc.: Flammability Rating UL94V-5V
Masterflash

Masterflash

   Universal roof flashing
   Slides over pipe for pitch to 45 Degree
   Multi-size pipe sealing range
   Molds to metals, plastic and more
   Non-fading EPDM collar

Master Flash is designed to accommodate a broad range of pipes and vents on any roof panel configuration regardless of location. The EPDM rubber sleeve is unaffected by ice, snow, hail, vibration, expansion, or contraction. The heavy duty aluminum alloy b
No-Caulk Roof Flashings

No-Caulk Roof Flashings

Exclusive one-piece construction insures a positive leakproof installation every time. Specially formulated
elastomeric collar allows the vent stack plenty of room for expansion and contraction. Easy to install, the
no-caulk flashing slips over the vent stack and automatically adjusts to pipe size and roof angle, and
remains perfectly flat on the roof. Not designed for hot-mopped or built up roofs. All flexible flashings are
manufactured from a specially formulated elastomer material which is extremely flexible and durable.
They permit the vent stack to expand and contract freely without disrupting the seal between the pipe and
flashing collar.

S1-11853  2" NO-CAULK GALVANIZED
S1-11866  3" NO-CAULK GALVANIZED
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PART #: 02538231000 - DAMPER ACTUATOR ECONOMIZER M7215A PART #: 02546382000 - SENSOR MIXED AIR/SOLID STATE DRY BULB C7250A1001 PART #: 11853 - FLASHING ROOF GALV 2 INCH NO-CAULK (M12)
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PART #: S1-02538231000 PART #: S1-02546382000 PART #: S1-11853
PART #: 11866 - FLASHING ROOF GALV 3 INCH NO-CAULK (M12) PART #: 14052 - FLASHING ROOF 1/2-4INCH MASTERFLASH (M6) PART #: 14053 - FLASHING ROOF 3-6 INCH MASTERFLASH (M6)
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PART #: S1-11866 PART #: S1-14052 PART #: S1-14053
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PART #: S1-6-5070 PART #: S1-6-7090 PART #: S1-6-9011
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PART #: S1-625-AF14 PART #: S1-625-AF6 PART #: S1-625-AF8
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PART #: S1-650-001 PART #: S1-650-002 PART #: S1-650-003
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PART #: S1-650-004 PART #: S1-650-005 PART #: S1-650-006
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PART #: S1-650-015 PART #: S1-650-016 PART #: S1-650-017
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PART #: S1-650-023 PART #: S1-650-031 PART #: S1-650-036
PART #: 650-038 - HOOD DRYER VENT WIDE ALUM 4" (M12) PART #: 650-074 - DUCT FLEX ALUM 6" DIA X 8' (M4) PART #: 650-100 - DIFFUSER RETURN 2' X 4' X 1/2" (M10)
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PART #: S1-650-038 PART #: S1-650-074 PART #: S1-650-100
PART #: 650-200 - DIFFUSER RETURN 2' X 4' X 3/8" (M15) PART #: 650-300 - DIFFUSER RETURN 2' X 2' X 1/2" (M20) PART #: C7660A1000 - SENSOR TEMP DRY BULB C7660A1000
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PART #: S1-650-200 PART #: S1-650-300 PART #: S1-C7660A1000
PART #: FM0450 - DUCT ALUM FLEX 2-PLY 4" DIA X 50' PART #: FUL0325 - DUCT ALUM FLEX 5-PLY 3" DIA X 25' PART #: FUL0425 - DUCT ALUM FLEX 5-PLY 4" DIA X 25'
Our Price: $45.46
Sale Price: $38.64
Savings: $6.82
List Price: $51.54
Our Price: $31.95
Savings: $19.59
List Price: $58.50
Our Price: $36.27
Savings: $22.23
PART #: S1-FM0450 PART #: S1-FUL0325 PART #: S1-FUL0425
PART #: FUL0625 - DUCT ALUM FLEX 5-PLY 6" DIA X 25' PART #: M836A1042 - MOTOR DAMPER PART #: M9164D1009 - ACTUATOR MOTOR
List Price: $82.86
Our Price: $51.37
Savings: $31.49
List Price: $573.50
Our Price: $355.57
Savings: $217.93
Our Price: $418.79
Sale Price: $290.05
Savings: $128.74
PART #: S1-FUL0625 PART #: S1-M836A1042 PART #: S1-M9164D1009
PART #: M9185D1004 - ACTUATOR MOTOR PART #: ML6161A2009 - DAMPER ACTUATOR PART #: ML6161A2017 - DAMPER ACTUATOR
List Price: $1,278.71
Our Price: $716.06
Sale Price: $501.24
Savings: $777.47
List Price: $149.32
Our Price: $92.58
Savings: $56.74
List Price: $149.32
Our Price: $92.58
Savings: $56.74
PART #: S1-M9185D1004 PART #: S1-ML6161A2009 PART #: S1-ML6161A2017
PART #: Q7230A1005 - MOTOR MODULE PART #: W7210D1005 - SOLID STATE ECONOMIZER LOGIC MODULE
Our Price: $115.17
Sale Price: $90.00
Savings: $25.17
List Price: $354.93
Our Price: $220.06
Sale Price: $155.50
Savings: $199.43
PART #: S1-Q7230A1005 PART #: S1-W7210D1005