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7034-106F

August 13, 2009

Mt. Vernon Pellet Stove (AE)

E.  Chimney and Exhaust Connection

1.

 

Chimney  &  Connector

:  Use  or  inch (76-10mm)  

diameter type "L" or "PL" venting system.  It can be vented 

vertically or horizontally.

2.

  Mobile Home: 

Approved for all Listed pellet vent.  If using 

the  inch (76mm) vertical Top Vent Adapter Kit or the  

to 6 inch (76-15mm) Top Vent Offset Adapter, use Listed 

double wall flue connector.  A Quadra-Fire Outside Air Kit 

must be used with manufactured home installations.

3.

  Residential: 

 The  inch (76mm) vertical Top Vent Adapter 

Kit and the  to 6 inch (76-15mm) Top Vent Offset Adapter 

are tested to use  gauge single wall flue connector or 

Listed double wall flue connector to Class A Listed metal 

chimneys,  or  masonry  chimneys  meeting  International 

Residential Code standards for solid fuel appliances.

4.

  INSTALL  VENT  AT  CLEARANCES  SPECIFIED  BY  THE 

VENT MANUFACTURER.

5

.  Secure exhaust venting system to the appliance with at 

least  screws.  Also secure all connector pipe joints with 

at least  screws through each joint.

6.  DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST 

VENTING SYSTEM OF THIS UNIT.

7.  DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE 

SERVING ANOTHER APPLIANCE.

NOTE:   All  pipe  must  be  welded  seam  pipe  whenever 
possible.  Seal pipe joints with high temperature silicone 
(500°F [260°C] minimum rated only).

NOTE:    If  burning  shelled  field  corn,  you  must  use 

approved venting specifically designed for corn.  Follow 

the instructions from the venting manufacturer.

The table below can help you calculate the equivalent feet 

of pipe which is a method used to determine pellet vent size.  

Figure 12.1.

F.  Equivalent Feet of Pipe

 ft.

 ft.

 ft.

 ft.

Example of 3 Elbow-Rear Vent Termination Calculation

Figure 12.1

Pellet Venting 

Component

# of 

Elbows

Feet of 

Pipe

Multiplied 

By

Equivalent 

Feet

Components

Equivalent Feet

90

o

 Elbow or Tee

3

X

5

15

45

o

 Elbow

X

3

Horizontal Pipe

7

X

1

7

Vertical Pipe

2

X

0.5

1

Total Equivalent Feet

23

Note:  This is a generic example and is not 

intended to represent any specific fuel type.

•  Only LISTED venting components may be used.
•  NO OTHER vent components may be used.
•  Substitute or damaged vent components may impair 

safe operation.

WARNING! RISK OF FIRE!

WARNING! RISK OF INJURY OR PROPERTY 

DAMAGE!

•  Improper installation, adjustment, alteration, service or 

maintenance can cause injury or property damage. 

•  Refer to the owner’s information manual provided with this 

appliance. 

•  For assistance or additional information consult a qualified 

installer, service agency or your dealer.

Vent surfaces get HOT, can cause burns 

if touched.  Non-combustible shielding or 

guards may be required.

WARNING

Содержание MTVERNON-AE-CSB

Страница 1: ...injury or even death Do not store or use gasoline or other flam mable vapors and liquids in the vicinity of this or any other appliance Do not overfire If any external part starts to glow you are overfiring Reduce feed rate Overfiring will void your warranty Comply with all minimum clearances to com bustibles as specified Failure to comply may cause house fire Check building codes prior to install...

Страница 2: ...B MAR APR MAY JUN JULY AUG SEPT OCT NOV DEC Mt Vernon Pellet Stove AE Report Rapport 061 S 68 6 ALCOVE INSTALLATION Min Alcove Height 43 in 1092mm Min Alcove Side Wall 6 in 152mm Min Alcove Width 40 in 1016mm Max Alcove Depth 36 in 914mm A 2 in 51mm B 6 in 152mm C 2 in 51mm D 3 In 76mm E 6 in 152mm F 8 in 203mm G 3 in 76mm MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS FLOOR PROTECTION Use a non comb...

Страница 3: ...ing Systems A Alcove 14 B Through the Wall 15 C Vertical into Class A Chimney 16 D Through the Wall Vertical Exterior 16 E Vertical Interior 16 F Masonry 17 G Alternate Masonry 17 Section 6 Mobile Home Installation 18 Section 7 Appliance Set Up A Leg Leveling System 19 B Outside Air Kit 19 C Top Vent Adapter 20 D Rear Vent Adapter 20 E Log Set Placement 21 F Thermostat Wall Control Installation 22...

Страница 4: ... properly grounded to the frame of the mobile home and use only Listed pellet vent Class L or PL connector pipe A Quadra Fire Outside Air Kit must be installed in a mobile home installation You must order the Outside Air Kit sepa rately B Mobile Home Approved NOTICE This installation must conform with local codes In the absence of local codes you must comply with the ASTM E1509 04 ULC S627 00 UM 8...

Страница 5: ...n before actually beginning the installation Location of the appliance and chimney will affect performance Consideration must be given to Safety convenience traffic flow Placement of the chimney and chimney connector and to minimize the use of chimney offsets Place the appliance where there will be a clear passage for a Listed chimney through the ceiling and roof vertical or through exterior wall ...

Страница 6: ...ials have been met 8 The masonry chimney is inspected by a profes sional and is clean or the factory built metal chimney is installed according to the manufac turer s instructions and clearances 9 The chimney meets the required minimum height 10 All labels have been removed from the glass door 11 Plated surfaces have been wiped clean if applicable 12 Wall Control Thermostat has been installed 13 A...

Страница 7: ...and 3 to 6 in 76 152mm Adapter Figure 7 5 Side View Figure 7 2 Side View with Top Vent Adapter and 3 to 6 in 76 152mm Offset Adapter 9 6 in 7 1mm 1 1 6 in 788mm C L 5 1 16 in 1 7mm 1 16 in 97mm 1 1 16 in 57mm 9 16 in 65mm 8 7 16 in 7 mm 5 16 in 8 1mm 8 1 8 in 71 mm 0 in 508mm 19 9 16 in 97mm 9 1 16 in 7 8mm 6 7 8 in 68 mm 18 1 in 70mm C L 10 8 in 6 mm C L Figure 7 3 Top View ...

Страница 8: ...c tion is recommended extending beneath the flue pipe when installed with horizontal venting or under the Top Vent Adapter with vertical installation CANADA INSTALLATIONS A non combustible floor protection extending beneath the flue pipe is required with horizontal venting or under the Top Vent Adapter with vertical installation Must extend inches 51mm beyond each side of pipe shaded area Fire Ris...

Страница 9: ...egulator I 36 in USA 72 in Canada Clearance to service regulator vent outlet J 12 in 48 in no OAK Clearance to non mechanical air supply inlet to the building or the combustions air inlet to any other appliance K 10 ft horizontal 3 ft vertical Clearance to mechanical air supply L 7 ft Above paved sidewalk paved driveway located on public property M 12 in Under an open veranda porch deck or balcony...

Страница 10: ...ouse demand House demand may consume the air needed for the appli ance It may be necessary to add additional ventilation to the space in which the pellet appliance is located Consult with your local HVAC professional to determine the ventilation demands for your house Vent Configurations To reduce probability of reverse drafting during shut down conditions Hearth Home Technologies strongly recom m...

Страница 11: ...appliance Avoid installing the appliance near doors walkways or small isolated spaces Recessed lighting should be a sealed can design Attic hatches weather stripped or sealed Attic mounted duct work and air handler joints and seams taped or sealed Warning Risk of Asphyxiation Negative pressure can cause spillage of combustion fumes and soot C Negative Pressure Draft is the pressure difference need...

Страница 12: ... must be welded seam pipe whenever possible Seal pipe joints with high temperature silicone 500 F 260 C minimum rated only NOTE If burning shelled field corn you must use approved venting specifically designed for corn Follow the instructions from the venting manufacturer The table below can help you calculate the equivalent feet of pipe which is a method used to determine pellet vent size Figure ...

Страница 13: ...ivalent length of pipe is 12 feet 30m with altitude of 6 000 feet 152m you may use 3 or 4 inch 76 to 102mm diameter type L or PL vent The chart will help you in determining proper venting size according to the equivalent feet of pipe calculated previously and the altitude above sea level of this installation Figure 13 1 a Locate the calculated equivalent feet of pipe on the verti cal left side of ...

Страница 14: ...SES ONLY Illustrations diagrams are not drawn to scale Actual installation may vary due to individual design preference A Alcove Figure 14 1 All minimums listed are to a combustible surface Minimum Maximum Inches Millimeters Inches Millimeters A Height 43 1092 n a n a B Width 40 1016 n a n a C Depth n a n a 36 914 D To Side Wall 6 152 n a n a A C B D ...

Страница 15: ...ile home installa tions Must use 3 or 4 inch 76 102mm L or PL Listed pellet venting or Listed double wall pipe and a Quadra Fire Outside Air Kit in mobile homes NOTE In Canada where passage through a wall or partition of combustible construction is desired the installation shall conform to CAN CSA B365 Figure 15 1 Figure 15 2 Wall Thimble Illustration shows venting going in both directions Choose ...

Страница 16: ...heir pipe reduced clearances are allowed c Vertical into Existing Class A Chimney d Through The Wall Vertical Exterior Firestop Flashing Rain Cap 6 in 15 mm Min Non combustible Hearth Pad in 76mm Min Clean out Cover 1 in 05mm Minimum Ceiling Support to 6 in 76 15 mm Offset Adapter 6 in 15 mm Class A Chimney Connector Adapter to in 76 76mm Top Vent Kit Non combustible Hearth Pad Clean out Cover Tee...

Страница 17: ...tible Hearth Pad Airtight clean out door Sheathing Flashing 1 in 5mm clearance 1 in 5mm clearance with firestop 6 in 15 mm minimum Fireclay Flue Liner with airspace Concrete Cap in 51mm minimum to combustible material Figure 17 1 Figure 17 2 Non combustible Hearth Pad Airtight Clean out Door Clean out cover Sheathing 1 in 5mm clearance Flashing Fireclay flue liner with airspace Concrete Cap 1 in 5...

Страница 18: ...ding device 5 Refer to Clearances to Combustibles and floor protec tion requirements on page 8 for listings to combustibles and appropriate chimney systems 6 Use silicone to create an effective vapor barrier at the location where the chimney or other component penetrates to the the exterior of the structure 7 Follow the chimney manufacturer s instructions when installing the vent system for use in...

Страница 19: ...ening in wall Cut a 3 1 2 to 4 inch 89 102mm opening on inside wall and a 4 to 4 1 2 inch 102 114mm opening on outside of house 2 Use wire tie to secure flex pipe to collar assembly 3 Slide trim ring over flex pipe and run pipe through wall 4 Attach flex pipe not supplied to outside termination cap with second wire tie 5 Secure termination cap to outside surface 6 Secure trim ring to interior wall...

Страница 20: ...ll the screws Figure 20 2 6 Install the vent pipe into the top vent adapter be sure to silicone all joints To use an existing 6 inch 152mm vent system install the 3 to 6 in 76 152mm offset adapter before installing vent pipe 7 To clean top vent adapter open clean out cover and remove any debris build up Figure 20 2 C Top Vent Adapter Installation 3 in to 6 in Offset Adapter Silicone Rear Exhaust O...

Страница 21: ...an shown here can cause excessive heat and shall void the appliance warranty Figure 21 1 Log fits over screws Left Log Log has indentations on the bottom to fit over the screw heads Log rests in front of screws Right Log Figure 21 3 Figure 21 4 1 Place the left log as shown There are 2 indentations in the bottom of the log to fit over the screw heads in the firebox Figures 21 1 and 21 2 2 Place th...

Страница 22: ...pliance directly above the power cord inlet The center 3 screws are for the wall control thermostat wires and the 2 outer screws are mounting screw and should not have wires attached to them The thermostat wires are color coded The green wire is on the left the white in the middle and the red on the right F Wall Control Thermostat Installation Figure 22 2 Shock hazard Do NOT remove grounding prong...

Страница 23: ...akes heat from the fuel and tends to cool the appliance robbing heat from your home Damp pellet fuel can clog the feed system C Fuel Material and Fuel Storage Pellet fuel quality can greatly fluctuate This appliance has been designed to burn a wide variety of fuels giving you the choice to use the fuel that is most economical in your region Hearth Home Techonologies strongly recommends only using ...

Страница 24: ...arance requirements or in an area that would hinder routine cleaning and maintenance D General Operating Information 1 Thermostat Wall Control Automatic Setting The appliance is like most modern furnaces when the thermostat wall control calls for heat your appliance will automatically light and deliver heat When the room is up to temperature and the wall control is satisfied the appliance will shu...

Страница 25: ...ut a handful of fuel in the firepot priming to speed up the process You can also do this when you have run com pletely out of fuel Sunflower Seeds Corn Utility Pellet Softwood Pellet Wheat Hardwood Pellet DONE SELECT FUEL SELECTION 2 Comfort Level Selection Once your fuel is selected select the temperature at the desired setting on the SET COMFORT LEVEL screen Figure 10 2 Figure 25 2 Figure 25 1 C...

Страница 26: ...1 You must disconnect and re connect the battery to start it up again Recommended Battery 12 volt deep cycle battery i e marine or RV type A 12 volt battery cable is available through your local dealer WARNING RISK OF FIRE Keep combustible materials gasoline and other flammable vapors and liquids clear of appliance Do NOT store flammable materials in the appliance s vicinity DO NOT USE GASOLINE LA...

Страница 27: ...fuel will be added As the fire builds the appliance will change to medium soft start mode The heating cycle begins 3 Heating Cycle Auto Man L ML M MH H There are two choices in the Automatic Manual menu of how your appliance will operate Automatic Mode The wall control will turn the heat output level up or down depending on how far the room temperature is from the desired temperature The digital d...

Страница 28: ... continue to run Additional Screen Messages READY It is telling you that the home is up to temperature and doesn t need any heat The screen will show 5 dashes when the wall control and the control board are NOT communicating with each other Check that the wiring on the thermostat is prop erly connected MAINTENANCE BURN This indicates the appliance is operating on battery backup prior to the auto c...

Страница 29: ...and glass door are both closed 1 At the starting screen press MENU Function Buttons Buttons Up Down READY 73 Set at 73 12 30 PM HEAT OUTPUT MENU Room Temp Wall Control for Reference 6 Press DONE twice or wait 15 sec onds for starting screen to reap pear 4 Press DONE twice or wait 15 sec onds for starting screen to re ap pear READY 71 Set at 68 12 30 PM MENU 4 Now press SELECT to choose new fuel RE...

Страница 30: ...ot Temp SERVICE RETRY ERROR LIST 1 If the appliance has stopped operat ing check the wall control screen If it is showing Min Firepot Temp the hopper has run out of fuel 2 Fill the hopper with fuel and press the RETRY button twice The first time turns on the back light the second time starts the retry function 3 If the wall control screen changes to a SHUTDOWN screen that means your appliance has ...

Страница 31: ...e more frequent clean ing of the glass is required 4 Fire has tall flames with black tails and is lazy 4 The flame height adjustment needs to be reduced or the firepot needs cleaning Heat exchanger or exhaust blower needs cleaning 5 Excessive smokey start up 5 Either the firepot is dirty or there is too much fuel at start up and not enough air 6 Large flame at start up 6 This is normal Flame will ...

Страница 32: ...to clear error AUGER JAMMED Auger jammed feed motor bad Pull the feed system and inspect Clear jam and Press Retry MISSED IGNITION Igniter bad or poor harness connection Out of fuel or fuel is bridging in hopper Faulty firepot thermocouple connection has shorted Check connections if OK replace igniter Break up bridging pellets Refill hopper Replace the thermocouple Press Retry MIN FIREPOT TEMP Out...

Страница 33: ...the appliance is not unplugged before servicing the appliance After servicing restart with the AUTO MANUAL SETTINGS screen Figure 33 1 Follow the detailed instructions found in this section for each step listed in the chart below Cleaning or Inspection Frequency Daily Weekly Every 2 Weeks Monthly Yearly Ash Pan Burning Wood Pellets Every 5 bags of fuel OR X Ash Pan Burning Alternate Fuels Every 1 ...

Страница 34: ...the wall control screen says OFF and the appliance is allowed to cool b Open the firebox door Inspect the auto clean springs See item 59 on page 46 for the location of the springs c Inspect the holes in the firepot floor for any debris The holes must be kept clear d How often the firepot cleans itself depends on The type of fuel you selected on the thermostat wall control How long the appliance bu...

Страница 35: ...or every 1 ton of fuel aprx 50 bags By Homeowner NOTE There are heavy duty vacuum cleaners specifically designed for solid fuel appliance cleaning WARNING Hopper Fire Risk For trouble free use of your pellet appliance you must per form cleaning as called for in these instructions Not doing so will result in Poor operating performance Smoke spillage into the home Overheating of components Not prope...

Страница 36: ...ghly cleaned Each exit is approximately 4 inches wide 1 inch across and 3 inches deep Figure 36 2 Figure 36 1 NOTE It is normal to see a certain amount of wear of the heat exchanger fins You may notice some flaking and pitting on some of the pins The heat exchanger system will function as designed with as many as 15 of these pins missing Loosen all 6 nuts but do NOT Remove f Removing the Combustio...

Страница 37: ...e Hopper Frequency Monthly or after burning 1 ton of fuel aprx 50 bags or when changing fuel types By Homeowner a Be sure the wall control screen says OFF and the appliance is allowed to cool b After burning approximately 1 ton of fuel you will need to clean the hopper to prevent sawdust and or fines build up c A combination of sawdust fines and pellets on the auger reduces the amount of fuel supp...

Страница 38: ...least once a year or more often depending upon the quality of your fuel or if there is a lot of horizontal pipe sec tions Ash will build up more quickly in the horizontal sections 14 Preparing Firebox for Non Burn Season Frequency Yearly at end of burn season By Homeowner a The appliance must be in complete shutdown and allow the appliance to completely cool down b Remove all ash from firebox and ...

Страница 39: ... times to maneuver Clear and prepare your work area before you begin Baffle Latches Insert flat head screw driver into V section and push down and the bottom of the latch will fall forward off of post Locating ears 1 on each side Fit behind bottom edge Figure 39 2 Pellets Back Up in Feed Tube Firepot Overfills Ash Build Up in Firebox Figure 39 1 D High Ash Fuel Content Maintenance Frequency When t...

Страница 40: ...here will be room to remove the blower Figure 40 1 5 Reach behind the blower and release the latch by push ing the top of the latch towards the blower Figure 40 2 6 Rock the top of the blower slightly and lift up The blower will pass around the control board and out the left side of the appliance 7 Disconnect the wire harness from the bottom of the blower by depressing the tabs on the sides of the...

Страница 41: ...ction 10 A 2 Remove the right side panel by removing the 4 screws using a Phillips head screw driver Figure 41 1 3 It is not necessary or recommended to remove the housing to replace or service the combustion blower You only need to remove the motor and impeller 4 Disconnect the wire from the control board connection points 1 and 8 Depress the tab on the connector to disconnect the wire similar to...

Страница 42: ...rge protector is hightly recommended to protect the electronics When describing the location of a component it is always AS YOU FACE THE FRONT OF THE APPLIANCE 6 Convection Blower The convection blower is mounted at the bottom left rear of the appliance The convection blower pushes heated air through the heat exchange system into the room 7 Door Switch The door switch is mounted on the right side ...

Страница 43: ...to the drop tube with a hose This switch turns the feed system on when vacuum is present in the firebox The vacuum switch is a safety device to shut off the feed motor if the exhaust or the heat exchanger system is dirty plugged or if the firebox door is open 22 Wall Control Thermostat The appliance is designed to run on a custom designed 3 3 volt DC thermostat wall control It will not operate on ...

Страница 44: ... Thermocouple and Thermocouple Cover Heat Exchanger Front Back Figure 44 1 RIGHT SIDE Combustion Blower Vacuum Switch Feed Motor Overheat Sensor Wing Nut Securing Overheat Sensor in place Power Supply Low Fuel Indicator Control Board Convection Blower Drob Tube Figure 44 3 Figure 44 2 LEFT SIDE Figure 44 3 ...

Страница 45: ... R August 13 2009 7034 106F Page 45 Mt Vernon Pellet Stove AE C Exploded Drawings 1 2 3 4 5 6 7 8 9 10 11 12 13 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 25 39 40 7025 001B 7 15 09 Figure 45 1 ...

Страница 46: ...e AE Glass Size 21 in W x 14 in H 13 Door Assembly 14 15 16 17 18 19 20 41 Auto Clean Motor Arm Assembly 41 42 43 44 45 46 47 48 49 Firepot Riser Assembly 50 51 52 53 54 55 57 56 58 59 60 61 Feed Assembly 62 63 64 65 66 67 Part number list on following pages ...

Страница 47: ...nna Bronze 7034 155CSB Powder Coat Willow 7034 155CWL Porcelain Mahogany 7034 155PMH 4 Hinge Male 7034 138 5 Side Mount Left 7034 128 6 Baffle SRV7034 148 Y 7 Latch Baffle 7034 149 8 Intake Shield 7034 224 Y 9 Front Face Matte Black 7005 108MBK Powder Coat Sienna Bronze 7005 108CSB Powder Coat Willow 7005 108CWL Porcelain Mahogany 7005 108PMH 10 Door Left Matte Black 7005 110MBK Powder Coat Sienna...

Страница 48: ... Black 7005 107MBK Powder Coat Sienna Bronze 7005 107CSB Powder Coat Willow 7005 107CWL Porcelain Mahogany 7005 107PMH 30 Shroud Right 7034 171 31 Convection Blower SRV7000 260 Y 32 Detent Pin Elbow Catch SN 00700103644 Above 7000 393 Detent Pin SN 00700103643 Below 7000 376 33 Gasket Blower Convection 7000 329 34 Combustion Blower Assembly 7034 033 Y Gasket Blower Combustion Between Housing Stove...

Страница 49: ...ottom 7034 153 Y Auto Clean Bottom Assembly 7034 021 Y Firepot Riser Clamp Assembly 7034 012 61 Feed Assembly 7034 004 Y 62 Feed Spring Assembly Only SRV7001 046 Y 63 Bearing Feed System Nylon 410 0552 Y 64 Gasket Feed Motor 7034 144 65 Bracket Motor Feed 7034 143 66 Optical Switch Assembly 7034 038 Y 67 Feed Motor Dc SRV7000 313 Y Collar Set 7 8 229 0520 Bracket Control Board 7034 212 Bracket Doo...

Страница 50: ... Thumb Screw 8 32X1 2 Qty 24 7000 223 24 Y Hinge Arm Left Hopper Lid Bracket 7034 161 Hinge Arm Right Hopper Lid Bracket 7034 160 Hinge Pin 72171 Y Hinge Retainer Holds Hopper Lid to Top SRV7034 163 Hinge Pin Holds Hopper Lid to Top SRV7034 159 Hinge Pin Rivet Button Head 25272 Thermocouple K Ring Mount Drop Tube Thermocouple SRV7000 381 Y Paint 12 Oz Can Qty 1 12 oz Sienna Bronze Espresso PAINT1 ...

Страница 51: ...Left 7034 227 Log Front Right 7034 226 Outside Air Kit OAK 3 Top Vent Adapter TPVNT 3 Vent Adapter 3 4 811 0720 Vent Adapter 90 Cleanout 811 0610 Vent Adapter Rear 811 0620 Warming Shelves Matte Black 844 9780 Powder Coat Sienna Bronze WSLG CSB Powder Coat Willow WSLG CWL Porcelain Mahogany 844 9810 FASTENERS Avk Rivnut Repair Kit 1 4 20 3 8 16 Rivnut Tools RIVNUT REPAIR Y Button Head 1 4 20 X 5 Q...

Страница 52: ...Page 52 7034 106F August 13 2009 R Mt Vernon Pellet Stove AE Date of Service Performed By Description of Service E Service And Maintenance Log ...

Страница 53: ...R R R August 13 2009 7034 106F Page 53 Mt Vernon Pellet Stove AE Date of Service Performed By Description of Service E Service And Maintenance Log Cont d ...

Страница 54: ...Page 54 7034 106F August 13 2009 R Mt Vernon Pellet Stove AE ...

Страница 55: ...R R R August 13 2009 7034 106F Page 55 Mt Vernon Pellet Stove AE ...

Страница 56: ...5 6145502 6170481 6237588 6296474 6374822 6413079 6439226 6484712 6543698 6550687 6601579 6672860 6688302B2 6715724B2 6729551 6736133 6748940 6748942 6769426 6774802 6796302 6840261 6848441 6863064 6866205 6869278 6875012 6880275 6908039 6919884 D320652 D445174 D462436 Canada 1297749 2195264 2225408 2313972 Australia 780250 780403 1418504 or other U S and foreign patents pending Date purchased ins...

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