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Vermont Castings  •  Dauntless FlexBurn Owner’s Manual_R3  •  2020 - ___ •  05/20

2

3-90-586000c

Congratulations on your choice of a Vermont Castings Dauntless FlexBurn

®

 Wood Stove. At Vermont Castings we take 

American craftsmanship seriously. We assure you that your cast-iron Vermont Castings stove has been made with the utmost 

care and will provide you with many years of service. 

As you become acquainted with your new stove, you will find that its appearance is matched by its functionality, due to cast 

iron’s unique ability to absorb and radiate heat.

Also, Vermont Castings products are among the cleanest-burning wood stoves available today. However, clean burning 

depends on both the manufacturer and the operator. Please read this manual carefully to understand how to properly operate 

and maintain your stove.
At Vermont Castings, we are committed to your satisfaction as a customer. That is why we maintain an exclusive network of 

the finest dealers in the industry. Our dealers are chosen for their expertise and dedication to customer service. Feel free to 

contact your Authorized Vermont Castings Dealer anytime you have a particular question about your stove or its performance.
This manual contains valuable instructions on the operation of your Vermont Castings Dauntless FlexBurn

®

 Wood Stove. It 

also contains useful information on maintenance. Please read the manual thoroughly and keep it as a reference.

This heater meets the U.S. Environmental Protection 

Agency’s emission limits for wood heaters sold on or after 

May 15, 2020.
Please read this entire manual before you install and use 

your new stove. Failure to follow instructions may result in 

property damage, bodily injury, or even death.

LABEL TICKET

ECO:

88631

LABEL SIZE:

6.5” H x 11” W

PART # / REV:

3-90-586190_R1

ADHESIVE:

ORIGINATOR:

Spidlet

MATERIAL:

24 Gauge Aluminum

DATE:

01/31/20

INK:

Black Background Aluminum Lettering

(4) Slotted Holes = .156 x .25
Barcode label must have the serial number on it.  The 

barcode label must be able to read Code 39 Full ASCII.

352 Mountain House Road

Halifax, PA 17032

BARCODE LABEL

BARCODE LABEL

HF

Serial No.

N

o

 de série:

3-90-586190_R1

Date of Manufacture / Date de fabrication:

2020   2021   2022   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP   OCT   NOV   DEC

Manufactured by / Fabriqué par: Hearth and Home Technologies 352 Mountain House Road, Halifax PA 17032

MODEL / MODÈLE: “Dauntless FlexBurn Catalytic / Non-Catalytic”

LISTED SOLID FUEL ROOM HEATER

HOMOLOGUE POELE A COMBUSTIBLE SOLIDES

SUITABLE FOR MOBILE-HOME INSTALLATION – USA ONLY

Tested and Listed by Omni-Test Laboratories Inc.

Report #/Rapport

 

0061WS104E, 0061WS104S 

Tested to / Testé à:

 ASTM E2515, ASTM E3053, UL 1482-2011 (R2015), ULC-S627-00, 

CAN/CSA B415.1.

Install and use only in accordance with manufacturer’s installation and operation 

instructions.  Contact  local  building  or  fire  officials  about  restrictions  and  installation 

inspection in your area. Install only with legs provided in accordance with installation 

instructions.

WARNING:

 

Risk of flame and smoke spillage. Do not obstruct the space beneath the 

heater.

Fuel: Use with solid wood fuel only. Do not burn other fuels.

Build a fire directly on hearth only. Do not elevate fire. Keep doors fully closed or fully 

open while operating.

Chimney:

 Use a minimum 6” diameter factory built high temperature (H.T.) chimney 

which is listed to UL-103-1985 (2100°F) or 8” X 8” nominal or larger approved masonry 

chimney with flue liner.

Do not connect this unit to a chimney flue serving another appliance.

Inspect and Clean Chimney Frequently – Under Certain Conditions of Use, Creosote 

Buildup May Occur Rapidly.

Chimney  Connector:

 Use a minimum 6” diameter 24 gauge chimney connector. Install 

chimney connector at least 18” from ceiling. Refer to local building codes and Vermont 

Castings Install Manual for precautions for passing a chimney or chimney connector 

through a combustible wall or ceiling.

Floor Protection U.S.:

 Use a Type 1, Thermal R=0 or greater or a noncombustible floor 

protector such as 1/4” non-asbestos mineral board or equivalent or 24 gauge sheet metal. The 

floor protector is required under the stove and must extend 16” from the front, 8” from the sides 

and rear. lt must extend under the chimney connector and 2” to either side. The floor protector 

may be covered with a noncombustible decorative material if desired. 

Floor Protection Canada: 

When installed on a combustible floor, a noncombustible floor 

protector is required under the heater. The floor protector must extend 457 mm (18 in.) to the 

front and 203 mm (8 in.) to the sides and rear.

Optional Components:

 Fan Kit Part No. 1-10-586167. 115V 60Hz 1.1 FLA 

Replace glass only with Vermont Castings 5mm ceramic glass.

Do not remove or cover this label. 

Catalytic Combustor Part No. 8346-006

CAUTION:

 Burning of materials other than the specified fuels may make the Catalyst in 

the combustor inactive. The combustor is fragile, handle carefully. The durability of the 

catalytic device has not been evaluated as part of the certification.

Danger, Risk of electrical shock.  

Disconnect power before servicing unit.

Combustion air cannot be obstructed.

Damper must be open before opening doors.

Do not overfire. Glowing parts indicate overfiring.

The space heater must be installed with the legs provided, attached as shown in the 

installation instructions.

Installer conformément aux instructions du fabricant. Contacter les autorités locates pour 

connaître les restrictions et inspections nécessaires. N’installer que les pattes qui sont 

incluses, en conformité avec les instructions du fabricant.

Ne pas obstruer l’espace sous le poele.

Attention:

 Risque de flammes et de fumée spilage. Ne pas obstruer l’espace sous le 

chauffe-eau.

Le registre doit être ouvert avant d’ouvrir les portes.

Inspectez et nettoyez la cheminée fréquemment - Dans certaines conditions d’utilisation, 

l’accumulation de créosote peut se produire rapidement.

Combustible:

 N’utiliser que du bois comme combustible. Ne pas utiliser d’autres types 

de combustible. Inspecter et nettoyer la cheminée fréquemment - Sous certainesusages, 

l’accumulation de créosote peu se produire rapidement. Garder les portes toutes fermées 

ou toutes ouvertes durant l’opération.

Faire le feu directement sur la grille prévue à cet effet. Laisser les portes du poêle soit 

complètement ouverts ou complètement fermées lors de l’utilisation. Ne pasraccorder le 

conduit de cheminée du poêle à une cheminée servant à d’autres appareils. N’utiliser que 

les vitres de céramique Vermont Castings en cas de remplacement de celles-ci.

Protection de plancher Canada: 

Lorsqu’il est installé sur un plancher de combustible, un 

protecteur de plancher non combustible est requis sous le chauffe-eau. Le protecteur de 

plancher doit s’étendre sur 460 mm (18 po) vers l’avant et 200 mm (8 po) vers les côtés et 

l’arrière.

Accessories disponibles au Canada:  Kit de ventilateur numéro de pièce 1-10-586167

Catalyseur pièce no. 8346-006

Replacer uniquement qu’avec une glace 5mm Vermont Castings.

Attention: 

Bruler des matières autres que celles spécifiées pourrait rendre le caralyseur 

inactif.

Attention:

 Le catalyseur est fragile, manipulaer avec soin.

US ENVIRONMENTAL PROTECTION AGENCY

Certified to comply with 2020, particulate emissions standards using cord 

wood at 1.1 g/hr (without catalyst) and 1.2 g/hr (catalytic). This wood 

heater contains a catalytic combustor which needs periodic inspection and 

replacement for proper operation. Consult the Owner’s Manual for further 

information. It is against Federal Regulations to operate this wood heater in 

a manner inconsistent with operating instructions in the Owner’s Manual.

Made in U.S.A. of US and imported parts. / Fabriqué aux États-Unis-

d’Amérique par des pièces d’origine américaine et pièces importées.

CAUTION:

HOT WHILE IN OPERATION- DO NOT TOUCH- KEEP CHILDREN 

AND CLOTHING AWAY- CONTACT MAY CAUSE SKIN BURNS- SEE NAMEPLATE 

AND INSTRUCTIONS. KEEP FURNISHINGS AND OTHER COMBUSTIBLE 

MATERIALS A CONSIDERABLE DISTANCE AWAY FROM THE APPLIANCE.

ATTENTION:

CHAUD LORS DU FONCTIONNEMENT- NE TOUCHEZ PAS L’APPAREIL-

GARDEZ LES ENFANTS ET LES VÊTEMENTS ÉLOIGNÉS- TOUT CONTACT PEUT ENTRAÎNER 

DES BRÛLURES DE LA PEAU. RÉFÉREZ-VOUS À LA PLAQUE SIGNALÉTIQUE ET AU MODE 

D’EMPLOI. GARDEZ LE MOBILIER ET LES AUTRES MATÉRIAUX COMBUSTIBLES BIEN À 

L’ÉCART DE L’APPAREIL.

A

 = Unit to Sidewall 

14”

B

 = Unit to Backwall 

14”

C

 = Chimney Connector to Sidewall  23.5”

D

 = Chimney Connector to Backwall  15”

E

 = Unit to Adjacent Wall 

15”

F

 = Sides (Floor Protection) 

6”

G

 = Front to Glass (Floor Protection)  16”

H

 = Rear (Floor Protection) 

6”

I

 = Top of Stove to Ceiling 

57.5”

J

 = Chimney Connector to Ceiling 

18”

A

 = Entre le mur lateral et l’appareil 

357 mm

B

 = Entre le mur arriereet l’appareil 

357 mm

C

 = Entre le tuyau et le mur lateral 

597 mm

D

 = Entre le tuyau et le mur arriere 

381 mm

E

 = Entre le mur adjacent et l’appareil  381 mm

F

 = Côtes (la protection de plancher) 

152 mm

G

 = Devant, par rapport au verr 

457 mm

H

 = Arrière (la protection de plancher)  152 mm

I

 = du haut du poêle au plafond 

1461 mm

J

 = raccord de cheminée au plafond 

457 mm

Minimum Clearances to combustible Construction /

Minimum De Degagement Jusqu’a la construction combustible

The clearances shown belolw are for use with single wall connector pipe

C

D

B

A

E

E

I

J

Appliance to 

Ceiling Clearance

Minimum Floor 

Protection

G

F

F

H

Serial No.

S A

M P

L E

Test Lab & Report No.

Model Name

Mfg. Date

Note: Cast iron is an artisan crafted material, which is 

made  the  same  way  today  as  nearly  2000  years  ago. 

Due  to  the  intrinsic  primitive  nature  of  the  casting 

process, part to part variation is normal and adds to the 

character of a hand built cast iron appliance

Summary of Contents for Dauntless FlexBurn Catalytic

Page 1: ...ids in the vicinity of this or any other appliance Do not over fire If appliance or chimney connector glows you are over firing Over firing will void your warranty Comply with all minimum clearances t...

Page 2: ...els may make the Catalyst in the combustor inactive The combustor is fragile handle carefully The durability of the catalytic device has not been evaluated as part of the certification Danger Risk of...

Page 3: ...sting and Important Safety Information A Appliance Certification 6 B BTU Efficiency Specifications 6 C California 6 D Mobile Home Approved USA ONLY 6 E Glass Specifications 6 2 Operating Instructions...

Page 4: ...occurs earlier However the warranty shall commence no later than 24 months following the date of product shipment from HHT regardless of the installation or occupancy date The warranty period for par...

Page 5: ...r improper handling 4 improper operation abuse misuse continued operation with damaged corroded or failed components accident or improperly incorrectly performed repairs 5 environmental conditions ina...

Page 6: ...iance Modification of the appliance Installation other than as instructed by Hearth Home Technologies Installation and or use of any component part not approved by Hearth Home Technologies Operating a...

Page 7: ...thout notice Improper installation adjustment alteration service or maintenance can cause injury or property damage For assistance or additional information consult a qualified installer service agenc...

Page 8: ...t be open when starting or reviving a fire and whenever the griddle or doors are opened The damper is closed when the handle points down Smoke travels through the secondary combustion system where it...

Page 9: ...aper and dry kindling After most of the kindling has burned into coals 15 to 20 minutes open the front doors and push remaining coals and unburned wood against the rear wall Add several pieces of larg...

Page 10: ...use open the bypass damper and either the top or front loading doors Stir the hot coals to allow ash to fall through the grate Hot coals should then be pushed against the rear wall and leveled depend...

Page 11: ...An optional surface thermometer tells you when to adjust the air control and when to refuel Figure 2 7 Figure 2 7 Take temperature readings with a thermometer located in the middle of the griddle For...

Page 12: ...the top of the ash pan Check the level at least once a day Every few days clear any ash from the outer edges of the firebox Most of the ash will fall through the grate Stir the ash with a shovel or po...

Page 13: ...R ENGINE OIL WARNING Do NOTburn treated wood or wood with salt driftwood May generate carbon monoxide if burn material other than wood May result in illness or possible death Fire Risk Keep combustibl...

Page 14: ...e for safety reasons as well as performance Canadian law requires a matching liner to serve any stove or insert vented through a fireplace chimney in the US the National Fire Protection Association NF...

Page 15: ...before operating stove A Cleaning the Glass Replacement Most of the carbon deposits on the glass will burn off during hot fires However the ash residue that accumulates on the glass surface should be...

Page 16: ...nt door of the stove should close securely to prevent accidental opening and should close tightly to prevent air from leaking into the fire chamber The door handle will be positioned vertically when t...

Page 17: ...nnel Allow an extra 1 2 25 50 mm and mark the spot to be cut 4 Remove the gasket from the channel place it on a wood cutting surface and cut it at the marked spot with a utility knife Twist the ends s...

Page 18: ...he inner sides of bottom rear or pipe heat shields if your stove is equipped with them Clean surfaces are better heat reflectors than dirty surfaces Touch up the black paint Inspect for and remove ash...

Page 19: ...operating routine Once you have ruled out any other possible causes for a decline in performance inspect and clean the combustor if necessary Be sure to protect any surface you use for setting the st...

Page 20: ...refer to Building a Fire Section Check for adequate vent height refer to Chimney Height Section Refer to Negative Pressure section Wood condition is too wet too large Use dry seasoned wood refer to S...

Page 21: ...Vermont Castings Dauntless FlexBurn Owner s Manual_R3 2020 ___ 05 20 21 3 90 586000c 5 5 Reference Materials Date of Service Performed By Description of Service A Service Maintenance Log...

Page 22: ...ing Manufacturing Date Active Dauntless 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 26 37 36 35 32 29 31 1 17 18 34 30 27 38 40 41 39 42 43 44 46 45 48 49 50 47 55 54 53 51 52 56 59 58 57 60 61 62 14 3...

Page 23: ...86134A 1 3 Handle Assembly Griddle 1 00 586170 Y Knob Griddle Maple Black 1600661 Bushing Griddle Handle Qty 2 req Pkg of 10 1201900 10 Gasket 5 16 Wire w Core 10 Ft 1 00 1203668 Y 2 Top Classic Black...

Page 24: ...her Pkg of 10 1202470 10 Nut Hex Pkg of 10 1203210 10 11 Side Left Classic Black 4 00 586123A Biscuit 4 00 586123 32A Majolica Brown 4 00 586123 31A Bordeaux 4 00 586123 33A Twilight 4 00 586123 30A L...

Page 25: ...10 3 30 3014 10 Y 25 Door Left Classic Black 4 00 586126A Biscuit 4 00 586126 32A Majolica Brown 4 00 586126 31A Bordeaux 4 00 586126 33A Twilight 4 00 586126 30A Gasket Door 5 16 Med 15 Ft 1 00 1203...

Page 26: ...ft Handle 30005301 32 3 Spring Washer Pkg of 10 63D0069 10 32 4 Flat Washer 10mm Pkg of 10 1202560 10 32 5 Pawl Assembly 30005157 Y 32 6 Nut Jam 3 8 16 Top Lock Pkg of 10 1203290 10 33 Ash Pan Bracket...

Page 27: ...6 x 1 2 3 31 5500 49 Primary Air Control Handle Assembly Wood Maple Black SRV1 10 586149 Y Thermostat Handle Knob Wood Maple Black 1600660 Round Head SL 8 32 x 2 Pkg of 10 1202560 10 50 Thermostat Stu...

Page 28: ...ng patents United States 5341794 5263471 6688302 7216645 7047962 or other U S and foreign patents pending We recommend that you record the following pertinent information for your heating appliance Da...

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