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Defiant

®

 1975 Non-Catalytic / Catalytic Woodburning Stove

30005220

Table of contents

Specifications ........................................................4
Installation .............................................................5
Clearance Charts.................................................14
Assembly .............................................................18
Operation .............................................................21
Draft Management ...............................................27
Maintenance ........................................................30
The Catalytic Element .........................................34
Replacement Parts ..............................................36
Warranty ..............................................................39

The Story of the Defiant

No wood-burning appliance, save for Ben Franklin’s Pennsylvania Fireplace, has a stronger heritage than the Ver-

mont Castings Defiant. Named for a 19th-century steamship, the original Vermont Castings Defiant Wood Stove came 

to epitomize America’s resolve and independence during the Energy Crisis of the 1970s. 
The year was 1975. With energy prices going through the roof, without an attractive or efficient wood stove to be 

found anywhere, two entrepreneurs set out to create a stove that was both beautiful and highly functional. Finely 

crafted from cast iron, the Defiant was the first wood stove to combine an artistically designed exterior with a methodi-

cally engineered interior, using new technologies for efficient combustion. 
Americans purchased over a quarter-million Defiants, as they rediscovered the common sense of heating with wood, 

a home-grown fuel with none of the political and economic entanglements of foreign oil. 
Thirteen years later, in 1988, Vermont Castings ‘retired’ the Defiant, replacing it with modern wood-burners such as 

the Encore. A decade later the Defiant was resurrected and updated with aesthetics and features that again led the 

industry.
In 2010, the third generation of the Defiant maintains the product’s rich tradition by introducing the most advanced 

wood-burning stove on the market. The quality and classic look that consumers have come to expect from Vermont 

Castings is combined with the latest combustion technology, an innovative design that allows the stove to quickly be 

converted to burn in either a catalytic or noncatalytic mode. In a sense, the Defiant Model 1975 has been 35 years in 

the making.
Due to its significant role in American history, the original Defiant model is in the permanent collection of the Smithso-

nian Institution in our nation’s capitol. Each new purchase of the Defiant continues that proud history.

Warming Shelf 

 

#0210  Classic Black

 

#0211  Biscuit

 

#0213  Ebony

 

#0214  Bordeaux

 

#0217  Brown Majolica 

 

#3265*  Outside Air Kit 

#3180  Outside Air Adapter

#1907  Firescreen

#1860  6” x 12” Oval Starter Pipe

FK26  Fan Kit

#3190  Connector Pipe Heat Shield
A line of porcelain enamel stove pipe is available in 

Biscuit, Bordeaux, Ebony, Brown Majolica colors.

*If you order #3265, you will also need #3180.

installation accessories

proposition 65 warning:

 Fuels used in gas, wood-

burning or oil fired appliances, and the products of 

combustion of such fuels, contain chemicals known to 

the State of California to cause cancer, birth defects 

and other reproductive harm.

California Health & Safety Code Sec. 25249.6

Summary of Contents for Defiant 1975

Page 1: ...tructions may result in property damage bodily injury or even death Contact local building officials about restrictions and installation inspection requirements in your area 0968 Defiant cover 11 00 N...

Page 2: ...ove With this purchase you have made a commit ment to make the hearth a place of warmth beauty and comfort in your home At MHSC we share that joy and appre ciation for the hearth We assure you that yo...

Page 3: ...urners such as the Encore A decade later the Defiant was resurrected and updated with aesthetics and features that again led the industry In 2010 the third generation of the Defiant maintains the prod...

Page 4: ...r 29M 759 mm Under specific conditions during EPA emissions test ing This value can vary depending on how the stove is operated the type and moisture content of the fuel used as well as the design con...

Page 5: ...Burning Appliances and Equipment These standards are the basis for many national codes They are nationally recognized and are accepted by most local authorities Your local dealer or your local buildin...

Page 6: ...asonry to the thickness of the chimney wall and the chimney liner should be repaired Open ings sealed with pie plates or wallpaper are a hazard and should be sealed with mortar or refractory cement In...

Page 7: ...Defiant are available through your local dealer Chimney Connector Guidelines A chimney connector is the single wall pipe that con nects the stove to the chimney The chimney itself is the masonry or p...

Page 8: ...all must be cemented firmly A special piece called the thimble sleeve slightly smaller in diameter than standard connectors and most thimbles will facilitate the removal of the chimney connector syste...

Page 9: ...one of these make sure it has been tested and listed for use as a wall pass through In the United States the National Fire Protection As sociation NFPA has established guidelines for passing chimney c...

Page 10: ...the space under the heater When using a fire screen with doors open UL737 Standard for Fireplace Stoves use an approved 1 25 mm noncombustible hearth pad with k 0 84 Btu in ft2 hr F or an equivalent...

Page 11: ...e hearths do not satisfy the completely noncombustible requirement because the brick or concrete in front of the fireplace opening is supported by heavy wood framing Because heat passes readily throug...

Page 12: ...ield is used it must be at least 15 381 mm from the wall behind it and at least 21 533 mm from walls on either side These di mensions are measured from the top edge of the stove to the combustible wal...

Page 13: ...tected side trim C that protrudes 3 4 19 mm or less from the face of a fireplace must have a minimum clearance of 14 356 mm measured from the stove s top side edge If the trim extends more than 3 4 19...

Page 14: ...hen stove cannot be operated as Door open with fire screen and damper open without moving the stove so the clearance meets those described for this type installation 3 Using a listed double wall oval...

Page 15: ...himney connection Stove Installed Parallel to Wall Stove in Corner Stove Installed Parallel to Wall Unprotected Surfaces No Connector Heat Shield Protected Surfaces with Connector Heat Shield Stove in...

Page 16: ...collar to the front edge of the hearth is the same for all installations on this page 34 865 mm in the United States and 36 914 mm in Canada Single Wall No Connector Heat Shields Unprotected Surfaces...

Page 17: ...to Special Installations ST498 48 1220 mm 48 1220 mm 48 1220 mm 48 1220 mm ST497 Defiant wall shield A 11 00 Fig 16 Parallel installation vertical chimney connector two wall shields Reduced clearance...

Page 18: ...ossible Dragging or sliding the stove especially across rough surfaces can cause the legs to loosen or even break 34 ATTACH LEGS Leg Bolt and Washer ST858 Fig 20 Attach the stove legs ST564 handle hol...

Page 19: ...ar of the stove Fig 24 ST540 Assembly handle 11 00 ST540 Fig 26 Assemble the front door handle DEFIANT ST539 attach thermostat handle 11 00 ST539 Fig 25 Attach the thermostat handle ST1180 flue collar...

Page 20: ...e bottom heat shield using the wire tie provided and the hole at the right rear edge of the heat shield 6 Fan will not operate until stove reaches approximate ly 109 F Fig 27 Fan installation Kit 2767...

Page 21: ...n time move the lever toward the front of the stove For a fire that will last longer with less heat move the lever toward the rear of the stove A Damper Directs Air Flow Within the Stove The damper ha...

Page 22: ...eneral the fire must be sufficiently well established to ensure that catalytic activity is initiated When first starting a fire a medium to high firing rate must be maintained until the stove catalyst...

Page 23: ...it was designed You ll enjoy the best results when burning wood that has been adequately air dried The wood should be 22 24 559 610 mm in length Avoid burning green wood that has not been properly se...

Page 24: ...fit every situation Each installation will differ depending on the quality of the fuel the amount of heat desired and how long you wish the fire to burn outdoor air temperature and pressure also affec...

Page 25: ...ll encourage the smoke to rise rapidly making it easier to establish a good draft Once the draft is established open the front door and light the rest of the fuel from the bottom Do not light the main...

Page 26: ...until all cinders have thoroughly cooled You can use wood ash as a garden fertilizer CAUTION Never use your household or shop vacuum cleaner to remove ash from the stove always remove and dispose of...

Page 27: ...r the flue and allows some heat release into the home An indoor chimney won t lose its heat to the outdoors so it takes less heat from the stove to heat it up and keep it warm Chimney Height The commo...

Page 28: ...can also judge your wood by its ap pearance and weight If you get it green lift a piece and get a sense of its weight it can lose a third or more of its weight as it dries Also look at the ends of a...

Page 29: ...than a science Once the stove and chimney system are in place you can only vary your technique mostly your timing to achieve good results If you keep track of your burning habits and relate them to t...

Page 30: ...on the glass surface should be removed regularly to prevent etching To clean the glass follow this procedure Be sure the glass is completely cool Clean the glass with water or a cleaner made espe cial...

Page 31: ...spot Continue to make small adjustments until the setting is right If additional adjusting of the latch does not enable the door to seal sufficiently in one area try adjusting the gasket in that area...

Page 32: ...ve performance and to protect your chimney and chimney connector inspect your chimney and chimney connector on a regular schedule Clean the system if necessary Failure to keep the chimney and connecto...

Page 33: ...r and replace if necessary Remove ashes from the ash pan and replace with a moisture absorbing material such as kitty litter to keep the interior of the stove dry Clean the dust from the inner sides o...

Page 34: ...r quickly smoke does not If this test indicates a problem consider other possible factors as well such as the weather or a change in the quality of your fuel In warm weather draft is weaker than it is...

Page 35: ...p as fast it is likely that the performance change was caused by fly ash deposits on the catalytic element However continue the inspec tions of the chimney system for a few weeks to ensure that proper...

Page 36: ...ut notice Defiant Woodburning Stove 9 80 21 20 17 19 16 18 10 11 2 13a 14 15 13b 63 58 32 59 3 36 29 81 39 40 47 38 12 45 37 31 50 51 52 55 70 69 64 68 62 74 72 61 71 69 65 67 74 72 62 30 5220 Defiant...

Page 37: ...k 30005203 43 Retainer Inner Cover Refractory 30005248 44 Refractory Inner Cover 30005205 45 Andiron 30002827 46 Refractory Access Cover 30006125 47 Leg Leveller 1201745 48 Ashdoor Handle Shaft 300053...

Page 38: ...ers inside the firebox should be replaced with stainless steel for ease of future disassembly Defiant Woodburning Stove Model 1975 continued Shell Enamel Parts Defiant Model 1975 Brown Part Name Class...

Page 39: ...ame address and telephone number 2 Proof of original purchase date 3 Date of failure of catalyst 4 Any relevant information or circumstances regarding determination of failure 5 In addition the owner...

Page 40: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com...

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