Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. 4 in, Inlet Dia. 
Switch Inst, PS1503P
gets too hot the unit will come on to draw more air
Do booster fans really work? 
elbows are equivalent to 10 feet of straight duct. heating systems or cooled air in central air conditioning
5 to 8 in, Voltage 120V, Max. gets too hot the unit will come on to draw more air
Local store prices may vary from those displayed. | 
| included, Low profile design rests flush with
FEATURES:High SensitivityMaximum Temperature Limit of 190 F.Simple InstallationSelf-Sealing Factory Mounted Sampling TubeMounting Hardware Included. DUCT
Simply drop into your 4"x10" register and plug in. SP 140, CFM @ 0.400-In. sones) makes it 50% quieter than buzzing muffin
| SP 293/218, CFM @ 0.125-In. WC) .05, Electrical Rating 24 and 277V AC, 15 Amp, Sample Line Connector Barbed, Height (In.) systems. Yes Sturdy Steel Construction and Grounded Power Cord. These ultra quiet register booster fans are ideal
-, Dia. conditioning to that room. 
SP 114, CFM @ 0.800-In. Tjernlund Duct Airstat Positive Pressure Duct Fan Switch (PS1503), inline, booster, ductwork, hvac, air duct. Tjernlund Duct Booster Fan. 
Dia. Dia. Initiate auxiliary devices - Duct Booster Fans, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. Range (F) -40 to190, Senses Positive Air Pressure in a Duct to Activate a Duct Booster Fan, Electronic Air Cleaner or Humidifier, Features -, -, Includes -, Dryer Booster Duct Fan, Voltage 120V AC, Housing Dia. Weve got everything to make your business go like Axial Duct Booster, 10 In. Condition: 6 in, Voltage 120V, Max. How does a duct booster fan work? 
104 Degrees F, Inlet and Outlet Dia. Axial Duct Booster, Galvanized Steel and #12 x 3/4" Steel Self Drilling Screws, Hex Washer Head Type, Hex Drive Type, 100 PK are just a couple of the items we sell. CBB (Brown)
The model ABA-1 Air-Booster Activator is an optional accessory that provides automatic, year-round operation without performing complicated direct wiring to the furnace or air conditioner blower. There are a few things to do.
Plugs into standard 115 VAC outlet. 7 7/8 in, Length 8 3/8 in, Motor RPM 2300/1700, CFM @ 0.000-In. Wattage 30, Number of Speeds 1, Housing Dia. 4 in, 60 Hz, Max. Installs flush with floor in seconds in any 3"x10" or 4"x10"
5 7/8 in, Motor HP 1/10 hp, Crawl Space Fan, Height 9 in, Width 18 in, Depth 2 in, Cutout Height 6 in, Cutout Width 15 in, Air Flow 220 cfm, Voltage 120 V, 0.6 A Amps, Thermostat Opens at 40 Degrees F, Dehumidification Control Yes, Material Galvanized Steel, Finish Aluminum, Power Plug-in, 60 Hz, Free Area 24 sq in, Control Automatic, For Use With Ventilating Excess Moisture In Crawl Spaces, Standards cETLus, Includes Thermostat, De-humidistat and Pre-Wired 6' Power Cord and Mounting Hardware, Draft Inducer, In-line, Vent Pipe Dia. All Rights Reserved. A duct booster fan, also known as an air-booster fan, is a device that is attached to the HVAC systems ductwork. For complete dimension and performance specifications
In-Line Duct Booster fan. Change air filters and clean return grill. Insert the pressure probe into the drilled hole, position the Duct Airstat and mark the mounting holes. Heavy guage Metal Fan Blade & Housing. LENGTH IN FEET. can be operated manually or based on temperature. The unit
In winter,
1 9/20 in, Mounting Holes O.C. Built-in 45 degree turning vanes guide air to the center of
It increases airflow to rooms in the home that are far away from heating and cooling systems. SP 200 cfm, CFM @ 0.800-In. If you need a Switch, Air Sensing or Air Flow Switch, Adjustable .05 12.0 you can find them right here. 
Positive Pressure Activated Fan
Do Not Sell My Personal Information, Shop for more adjustable air pressure switch, 20112022 Zoro Tools, Inc. All rights reserved, View More Products Related To 6" Duct Booster Fan. Library | Site Map | Articles, Phone: 800-255-4208 | Fax:
Tjernlund Booster Fan Models DB-2 / EF-6 / EF-8 / EF-10, Tjernlund Booster Fan Models EF-12 / EF-14 use SCP, 125 VAC / 3.0 Amps / 300 Watts Max / 60 Hz. carpet or wood flooring, Cyclone Series
A duct booster fan, also called abooster fan, is a device that is attached to the HVAC system ductwork. Inlet Temp. Yes Registers. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. 3 1/16 in, Width (In.) when the room gets too cold the unit will come on to draw
Terms & Conditions Room-to-Room Fans
If you need a Axial Duct Booster, 6 In. SP 17 cfm, Max. when the room gets too cold the unit will come on to draw
or Axial Duct Booster, Galvanized Steel you can find them right here. 
5 to 8 in, Includes Mounting Template, Air Sensing Switch, Duct Pressure Switch, Differential (In. Use optional SCP speed control
5 to 8, Voltage 115, 0.96 Amps, 74 W Watts, 1/20 hp HP, Height (In.)
Booster fans are add-ons that help move indoor air through ducts. whisper quiet--no annoying buzzing like other fans. Still, it really shouldn't have failed to come on even once.. Works flawlessly, turns my booster fans on and off within seconds of air handler coming on. 11 3/4 in, Length 9 5/8 in, Motor RPM 2750, CFM @ 0.000-In. 
SP 320 cfm, CFM @ 0.400-In. marjo_mees. All Rights Reserved. SP 180, Max. consult factory. SP 100 cfm, Max. I have my doubts the contacts will hold up to switching a motor on and off over time. (In.) A dirty air filter stifles air movement and makes it hard for the furnace to work efficiently. Get everything you need like Air Sensing Switch, Adjustable and Switch, Air Sensing at Zoro. Operates manually or automatically
includes 6 power cord, Turn on or off with pre-wired toggle
Sold by: The single pole, single throw, snap-acting switch is activated by a diaphragm with a factory installed sampling tube inserted directly into the duct or plenum. register boot opening. These ultra quiet register booster fans are ideal
It works by detecting air flow within the duct by means of an air pressure switch.
SP 163 cfm, CFM @ 1.000-In. Senses Duct Temperature and activates Booster Fan. Save on Energy Bills and Increase Comfort! desired. 6 in, Includes External Junction Box for Easy Wiring, Inline Duct Booster, Housing Material Galvanized Steel, Fits Duct Dia. 45
L, Sleeve or AirSwitch .05-12", WC, SPDT, AFS-298-112? are designed to increase the flow of heated air in warm air
651-426-9547. Single Pole - Single Throw snap-acting switch. for any season with a built-in, hidden sensor. Crawl Space Fans, Home |
Electrical Contacts are closed upon sensing Positive Air Pressure. Installed it in the vent duct closer to the furnace per instructions and it works great. Activated by a Diaphragm with integral Pressure Probe inserted directly into the Duct or Plenum. Senses Positive Pressure in a forced Air Heating and/or Cooling System. While inline duct and register booster fans will not solve underlying defects in the HVAC system, they can boost air flow and increase the amount of cold and warm air that ultimately makes it to a room. Tjernlund Duct Booster Fan. Example EF-8 connects
Drill a 11/32" hole in the duct or plenum to permit the insertion the pressure probe. SP 160 cfm, CFM @ 0.200-In. 
SP 227/128 cfm, CFM @ 0.500-In. 
|
200 Degrees F, Inlet and Outlet Dia. It spreads the air in the whole room to maintain the same temperature in the room. for any season with a built-in, hidden sensor. SP 35 cfm, Max. 20 Watt Low Energy Cross Flow Blower means its
Amps 0.54 A, Max. 90 Degree
Register Booster fans
For information about new products, updates and innovations, sign-up for our email. 7 in, 3-1/8 x 8-5/8 Cut Out Required, Provides Positive Draft for Smokepipe and Aids Proper Exhaust of Combustion Gas., Construction Material Aluminized Steel Housing and Blower Wheel, Agency Compliance -, Replaces -, View Catalog Page For Selection Criteria, Not Applicable, N/A, N/A., Not Applicable, Not Applicable, 190246259217, High Temperature Vent Hood, Fits Duct Size (In.) register boot opening. Turns on the in-duct booster fan when the furnace kicks in and off when the furnace stops. SP 206/105 cfm, CFM @ 0.750-In. SP 105, CFM @ 1.000-In. Features
4 in, Flange Size (In.) RB10, RB12 (4") Register Booster Fans Inst, RB10x6,
Sold by: Tjernland PS1503 works well. Adjustable Air Pressure, SW .1-4" WC and Air Pressure Switch are just a couple of the items we sell. Wish it was adjustable. install a standard Tjernlund
Amps 0.51 A, Max. Inlet Temp. Automatic On/Off Air Pressure Switches, Variable Speed Controllers,Duct Temperature Sensing Thermostat. Use on ROUND or FLAT Air Duct Work. How do you increase airflow in air ducts? 10) Speed Control Inst, RB10 (Brown Grille) For 4x10
SP 220 cfm, CFM @ 0.450-In. It's a ittle picky on where and how you mount it. Amps 0.53 A, 50 W Watts, Motor RPM 1, 600 RPM, CFM @ 0.000-In. Seal leaky ductwork. Condition: Available sizes 6" thru 14". Contact Us |
fan styles, Fits into existing register boot and
conditioning to that room. If you need a 234712 Air Proving Switch or Air Proving Switch you can find them right here. comfortable rooms! The unit
Duct Booster Fan Control Accessories. CFM, about 300% of typical register air volumes.
Basement Fan
Requiring only about $5 per
M-Series fans (metal housing) are ideal for
The duct Airstat must be mounted in a vertical position.2.
more furnace heat to that room. Axial Duct Booster, Housing Material Galvanized Steel, Fits Duct Dia. Switch Inst. In summer, when the room
Automatic On/Off Air Pressure Switches, Variable Speed Controllers,Duct Temperature Sensing Thermostat. Installs flush with floor in seconds in any 3"x10" or 4"x10"
Remove control and drill or punch two 1/8" holes for mounting screws.5. SP 247 cfm, CFM @ 0.600-In. Refresh your browser window to try again. The DB-2 can be installed in round ducts up to 8",
Weve got them at everyday low prices. 
new Use of this site is subject to certain Terms Of Use. Positive Pressure Activated
It can increase airflow to rooms in the home that are far away from heating and cooling systems. systems. Well take a look and remove the review if it doesnt follow our guidelines. Air Booster Duct Booster Activator (Discontinued), TRIO Electronic Air Purifiers with HHS Control, DUO-2000 whole house air purification system, DUO-11 and Duo-14 Air Purifiers and Odor Reducers, FlexMountUV Single Lamp AC Coil Cleaners and Air Purifiers, FlexMountUV Dual Lamp AC Coil Cleaners and Air Purifiers, Flex-1 Replacement Cartridge Media Air Filters, Flex-2 Replacement Cartridge Media Air Filters, Flex-3 Replacement Cartridge Media Air Filters, Flex-4 Replacement Cartridge Media Air Filters, Flex-5 Replacement Cartridge Media Air Filters, Flex-5.5 Replacement Cartridge Media Air Filters, Flex-6.5 Replacement Cartridge Media Air Filters, Flex-7 Replacement Cartridge Media Air Filters, Flex-7.5 Replacement Cartridge Media Air Filters, Health Home System Fresh Air System Control, Commercial Air Purifier Systems with PRO-Cell, Cube Commercial Induct Air Filtering and Air Purifier, Custom Color Air Cleaner & Filter Cabinets, FCRA model Right Angle Air Cleaner & Cabinets, 3 Replacement Cartridge Media Air Filters, 4-3/8 Honeywell Replacement Cartridge Media Air Filters, 4 (3.75) Replacement Cartridge Media Air Filters, 5 Replacement Cartridge Media Air Filters, UV-16 / 120V Induct UV Light Air Purifier, UV-16 / 120V Induct Air Purifier PRO-Cell Upgrade, FAN IN A CAN CAS-4 COMBUSTION AIR SYSTEM, Control Kits For Combustion Air Systems (Fan In A Can), Flue Sentinel Chimney Fan with Automatic Damper (FSGD), Flue Sentinel Automatic Dampers Special Order, ComboVent Power Venters, Models CV-4 and CV-5, SWG CV Furnace Power Vent For Oil or Gas Appliances, SWG Power Venter / Control Kit for SWG-3 and 4HD, SWG Power Venter / Control Kits for Oil Appliances, SWG Power Venter / Control Kit for Oil and Gas Appliances, Vent Riser Power Venters, Models CV-4VR and CV-5VR, Residential Whole House Steam Humidifier Model S2020, Residential Whole House Steam Humidifier Model S2000, Residential Whole House Steam Humidifier Accessories, Tahoe Series Whole House Fans / Attic Fan / Ventilation Fans, Summit S-Class Series Whole House Fan Accessories, Summit Series Whole House Fans / Attic Fans / Ventilation Fan / HERO Program, Summit Series Whole House Fan Accessories, Vista Series Whole House Attic Fan Accessories, ERV (Energy Recovery Ventilator) Model FC80ERV, ERV (Energy Recovery Ventilators) Model FC150ERV, ERV (Energy Recovery Ventilator) Model FC200ERV, HRV (Heat Recovery Ventilator) Model FC80HRV, HRV (Heat Recovery Ventilator) Model FC150HRV, HRV (Heat Recovery Ventilator) Model FC200HRV. Need Help? Privacy Policy The number after EF-matches the duct diameter. 150 Degrees F, Inlet and Outlet Dia. Maybe I should have mounted it directly on the metal furnace duct where it would receive a little vibration rather than to a nearby floor joist.
If you need a 6" duct booster fan we have them at everyday low prices. SP 118 cfm, CFM @ 1.500-In. 280 - 1480 CFM *** QUANTITY SAVINGS ***. whisper quiet--no annoying buzzing like other fans. 6 in, Voltage 120V, Max. SP 273/193 cfm, CFM @ 0.250-In. SP 131/24 cfm, CFM @ 1.000-In. 20 Watt Low Energy Cross Flow Blower means its
SP 275, CFM @ 0.400-In. SP 250/163 cfm, CFM @ 0.375-In. 20112022 Zoro Tools, Inc. All rights reserved install a standard Tjernlund
Wattage 65/54, Number of Speeds 1, Housing Dia. Requiring only about $5 per
For 3x10 or 4x10 Registers
(In.) the room. In summer, when the room
View cart for details. Simply drop into your 4"x10" register and plug in. Amps 0.59 A, Max. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. and Axial Duct Booster, 12 In. 
year to operate, the RB-Series includes power cord and
6 in, Voltage 120V, Max. Seller assumes all responsibility for this listing. 9 x 9, Construction Material Aluminum Alloy, For Use With Horizontal Vent Terminations for Gas Fired Equipment, Includes Heat Shield which Provides a Clearance from Combustible Material Contained in Walls. heating systems or cooled air in central air conditioning
the room. Industrial HVAC & Refrigeration: Parts & Accessories, TJERNLUND PS1503 Duct Pressure Switch Automatic Activation of Duct Booster Fans, - eBay Money Back Guarantee - opens in a new window or tab, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. to 8" round duct. Inlet Temp. In-Line Duct Booster fan. 8 in, Length 9 in, Motor RPM 3000, CFM @ Duct 300/250/200 cfm, CFM @ 0.000-In. SP 120, CFM @ 0.600-In. pre-owned Need a Inline Duct Booster, 7 In. *EF-Auto Series include a built in pressure control for automatic operation. 
are designed to increase the flow of heated air in warm air
Sturdy Steel Construction and Grounded Power Cord. CBW
8 in, Voltage 120V, Max. Copyright 2022 Field Controls, LLC. Save on Energy Bills and Increase Comfort! Install an air-booster fan. when the duct run serving the room is not accessible to
You wont overpay for Switch, Air Sensing and Air Flow Switch, Adjustable .05 12.0 when you shop with us. 2000-2022 Home Depot. In winter,
built-in on/off switch. more furnace heat to that room. Sealing gasket must be mounted on pressure probe to ensure minimal air leakage. 
The electrical contacts of the switch are closed upon sensing positive air pressure generated by the blower. Stove Blower
Something went wrong. Plugs into standard 115 VAC outlet. The duct booster fan needs the small amount of energy to do its work. SP 325, Max. (White) For 3x10 or 4x10 Registers, Radon Vac Fan
About Us | Document
9 1/2 in, Depth (In.) Copyright 1995-2022 eBay Inc. All Rights Reserved. progradeproducts. We have the Switch, Air Sensing and Press Swtch Airflowsw Adj .4-12"Wc M/R that you need! Amps 1.1 A, Max. 
Register Booster Fans. (In.) 
If necessary, bend the mounting feet with pliers to match the contour of the duct or plenum.4. SP 327, CFM @ 0.200-In. SP 180 cfm, CFM @ 0.500-In. or a remote on/off switch if
If furnace has central air-conditioning, care must be taken so as not to drill into the cooling coil when mounting the Duct Airstat on the furnace plenum.3. Amps 0.4 A, Max. -, With Diaphragm Vertical, Operating Temp. Built-in 45 degree turning vanes guide air to the center of
Using the two sheet metal screws furnished, fasten the Duct Airstat to the duct or plenum.
WC) +/-0.02, SPST Switch Type, Pressure Setting Range (In. Unblock and clean vents. Wattage 56, Number of Speeds 1, Housing Dia. 9 1/8 in, Width (In.) 8 in, Motor HP 1/40 hp, Includes External Junction Box for Easy Wiring, Axial Duct Booster, Housing Material Galvanized Steel, Fits Duct Dia. Switch activates Duct Booster by sensing positive pressure on either plenum, trunk, or branch linesSPECIFICATIONS:ELECTRICAL RATING:278 VA Pilot Duty at 24 Volts AC300 VA Pilot Duty at 115 to 277 Volts AC15 AMPS Non-Inductive to 277 Volts ACELECTRICAL SWITCH:SPST, N/O, Snap Action Contacts, Non AdjustableOPERATING PRESSURE / POSITION:On pressure rise at +.05 + .02" W.C. (Diaphragm Vertical)MAXIMUM PRESSURE:1/2 PSIOPERATING TEMPERATURE RANGE:-40 to 1900 F.SAMPLING TUBE:Self-sealing, factory mounted tubeDIMENSIONS:5 3/4"HX3 1/4"W X3"DLOCATION AND MOUNTING:1. Inlet Temp. Table is based on straight metal duct. Features
150 Degrees F, Inlet and Outlet Dia. It is a very very sensitive and I had to move it to a different location to work properly. RB-Series Register Booster fans
It worked and for the money it did it's job. 5 7/8 in, Inline Centrifugal Duct Fan, Housing Material Thermoplastic, Fits Duct Dia. 
CFM, about 300% of typical register air volumes. Inlet Temp. 
Low sone cross flow blower (1.4
It is an effective way to control the air of a room. Performance based on 70 degrees F. standard air. RB-SERIES REGISTER BOOSTER FANS - For more
14 in, Housing Height 10 1/2 in, Duct Dia. RB12x6 Register Booster Fans Inst, SC-1 (EF-6, 8,
Click
Products shown as available are normally stocked but inventory levels cannot be guaranteed, For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts), Boosts airflow even in air temperatures up to 150F, Serves as a utility blower for air supply or exhaust needs, Designed for easy assembly over metal or flex ducting. Dia.. Pressure Switch With Adjustable Shut Off and Field Adjustable Switch Kit are just a couple of the items we sell. Find Airflow Switch, Auto Reset, SPDT and ASSY VANE-AIR FLOW SWITCH when you shop our huge assortment. can be operated manually or based on temperature. 
switch, Commercial grade, paintable steel grille
built-in on/off switch. 45
The air duct booster fan boosts the air flow of the room. when the duct run serving the room is not accessible to
Operates manually or automatically
Verified purchase: You can unsubscribe at any time. Heating, Air Conditioning, Ventilation and Air Distribution Products, Rectanglar Opposed Blade Air Balance Dampers, Bypass Humidifiers: Flow-Through: Drum Type, Steam Humidifiers: Under Duct: Plenum Type, Humidifier Replacement: Pads: Discs: Filters, Humidifier Replacement Parts: Motors: Relays: Valves: Humidistat, DUCT BOOSTER FAN - Round or Flat Air Duct, IN-LINE DUCT BOOSTER FAN 6" thru 14" Duct, SPEED CONTROLLERS & AIR SWITCHES Duct Booster Fans. PS1503
Verified purchase: here for video. rectangular ducts as shallow as 3 1/4". Rooftop Inducers
Wattage 40, Number of Speeds 1, Length 7 in, Motor RPM 1550, CFM @ 0.000-In. 140 Degrees F, Inlet and Outlet Dia. Duct Booster Fan Control Accessories. I installed an interposing relay. Works pretty well, but I did have it stick once and wouldn't come on until I gently tapped it. Boosts air flow in hard to heat or cool rooms.
SP 87, Wheel Type Material Handling, Includes LED Status Panel, Mixed Flow Duct Fan, Housing Material Thermoplastic, Fits Duct Dia.
DS100 PLUG-IN DUCT BOOSTER FAN THERMOSTAT, VARIABLE SPEED CONTROLLERSVariable Speed Controllers will only reduce Motor speed by 10%, Heating, Air Conditioning, Ventilation and Air Distribution Products, PS1503 Air Pressure Switch Installation Sheet, View DS100 Installation & Operation Instructions, View SCP Plug-in Variable Speed Controller Operating Instructions. long runs or air supply and exhaust applications requiring exacting performance. 6 in, Length 6 1/2 in, Motor RPM 3000, CFM @ Duct 150/100/90, CFM @ 0.000-In. Wattage 62, Number of Speeds 1, Housing Dia. Directions are poor at best. year to operate, the RB-Series includes power cord and
They need to spend a little time on directions for someone that is not familiar with electrical wiring. Had it a couple months and so far so good.
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