Vermont Casting Common Materials And Factors, Vermont Castings EWF30, Equivalents, 20008662

Page 16
Example of Determining Hearth Extension

Vermont Castings EWF30

The top of insulation must be covered with a non-com- bustible decorative covering or a piece of .018” mini- mum sheet metal, to protect hearth extension material. (Fig. 25)

Secure the hearth extension to the floor to prevent shifting, using trim molding or other similar means at three (3) outer edges. Seal crack between the fireplace hearth and hearth extension with a noncombustible

material. (Figs. 24 and 25)

WARNING: Hearth extension must be installed in accordance with Figure 24. Top of hearth extension must be level with bottom of fireplace.

Alternate noncombustible materials may be used providing the (total) thermal resistance (Rt value) of the alternate material employed is greater than or equal to R = 1.09 Thermal resistance (R) or thermal conductivity (K), may be obtained from manufacturer of the material. Factors are related by the formula K = 1/R. (Fig. 23)

T = given thickness

R = thermal resistance for a given thickness (T) K = thermal conductivity

Noncombustible material with a lower R value may be used, provided thickness of material is sufficiently greater to maintain an equivalent (total) thermal resis- tance (Rt).

Example of Determining Hearth Extension

COMMON MATERIALS AND FACTORS

MATERIAL

K*

R

MINIMUM

 

 

THICKNESS

 

 

 

 

 

 

 

EH2416

0.916

2.18

1.0 in.**

 

 

(CFM Corporation)

 

 

 

 

 

 

 

 

 

Common Brick

5.0

0.10

5.46 in.**

 

 

 

 

 

 

 

 

 

R Value is for 1/2 inch.

 

 

* Units of K = BTU/SQ FT/HR/˚F/IN

 

 

** Thickness of Listed Material

 

FP533ADD

Fig. 23 Hearth extension material factors.

Equivalents

To determine the thickness required for any new mate- rial:

Example for Common Brick

NEW

K of new material (per inch)

thickness

required =

 

X

of listed

 

thickness

K of listed material (per inch)

material

T (new) = 5.0/0.458 x 0.50 in. = 5.46 in. (new required thickness).

 

2 x 4 Header - Do not

Wall Covering

notch at standoffs

Noncombustible

Noncombustible

Material

Decorative

 

Facing

 

Seal all cracks

NOTE: No

between fireplace sur-

material

round (steel) and wall

may cover

materials with noncom-

black cast

bustible material.

face.

Cast Front

 

Noncombustible

 

Decorative

 

Covering

 

FP1202a

Safety Strips - Must be

overlapped 1/2” minimum

Fig. 24 Sealing gaps.

16

20008662

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Contents EWF30 Fireplace CFM Specialty Home ProductsHomeowner’s Installation and Operating Manual Do Not Discard This Manual Retain for Future UseTable of Contents IntroductionVermont Castings EWF30 Save These Instructions for Future ReferenceSafety Information PrecautionsDescription DraftsSpecifications EWF30EWF30 Woodburning Fireplace Vermont Castings EWF30Vermont Castings EWF30 Chase Installation20008662 30˚ Elbow Offsets Illustration KeyChimney Requirements - Offset Installations Vermont Castings EWF30Planning Information Mounting the FireplacePlanning the Chimney Run The Ten Foot RuleInstallation Chase InstallationChimney Supports Insulating Fireplace Enclosure for Cold ClimatesStraight-UpChimney Installation Offset InstallationFraming EB1 Receptacle HookupPositioning, Safety Strips Securing the Fireplace Ceiling Chimney Hole Possible ObstructionsCutting the Hole Framing the Ceiling HoleInstalling Outside Air Kit Installation PrecautionsInstallation Instructions Vermont Castings EWF30Installing the Chimney System Installing the Firestop SpacerProper Firestop Spacer Installation in the Ceiling HoleContinue Installing Pipe to Complete Run Canadian Requirements for Insulation ShieldAdditional Ceilings Penetrating the RoofInstall Remainder of Chimney Sections Install Top Housing or TerminationInstalling Chimney in a Chase Finish WallHearth Installation MantelsSide Wall Protection Vermont Castings EWF30COMMON MATERIALS AND FACTORS Vermont Castings EWF30Example of Determining Hearth Extension EquivalentsMinimum Hearth Extension Dimensions Vermont Castings EWF30Minimum Wall Clearances 20008662Operation Attach HandlesThe Damper EWF30 ControlsUse the Air Control Settings The FanGlass Doors Burn Only High-QualityWoodStarting and Maintaining a Wood Fire Reloading and Reviving a Wood FireSpecial Tactics for Cold-ClimateHeating Vermont Castings EWF30Vermont Castings EWF30 Remove and Store Ash Safely20008662 Maintenance Cleaning the GlassAdjust the Door Latch Periodically How to Replace GasketsA Clean Chimney System is Safer and Works Better The Chimney SystemReplacing the Door Gaskets Replace Damaged Door Glass ImmediatelyMaintenance Schedule Yearly Spring CleaningVermont Castings EWF30 Fireplace DailyVermont Castings EWF30 Chimney Components20008662 EWF30 Fireplace Vermont Castings EWF30Description EWF30EWF30 Fireplace continued Vermont Castings EWF30Ref. Description EWF30Optional Accessories Fan KitTWABR Screen KitTrim Kits Vermont Castings EWF30Model DescriptionVermont Castings EWF30 20008662Limited 3 Year Warranty Warranty20008662 CFM Specialty Home Products
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EWF30 specifications

The Vermont Casting EWF30 is a testament to innovation and craftsmanship in the world of cast iron wood stoves. This highly efficient wood-burning stove combines traditional aesthetics with modern technology, making it a perfect centerpiece for both rustic and contemporary homes. One of the standout features of the EWF30 is its impressive heating capacity. Designed to heat areas up to 2,000 square feet, it is ideal for large spaces, providing consistent warmth during chilly months.

Constructed from high-quality cast iron, the EWF30 offers a durability that only improves with age. This material is known for its excellent heat retention and distribution, resulting in a steady, comfortable warmth. The stove’s classic design includes large ceramic glass windows, allowing users to enjoy the mesmerizing beauty of the fire while safely keeping the warmth inside.

Incorporating advanced technology, the Vermont Casting EWF30 features a clean burning system that significantly reduces emissions. This is a critical aspect for environmentally conscious consumers, as the stove adheres to strict EPA standards, promoting cleaner air and reduced environmental impact. The efficiency of this wood stove is exceptional, with a thermal efficiency rating that maximizes heat output while minimizing fuel usage.

The EWF30 is equipped with a user-friendly air control system, allowing for easy adjustments to the airflow. This system enhances the combustion process, enabling users to achieve the desired flame and heat levels effortlessly. The top-loading design also simplifies the refueling process, making it easier to add wood without disturbing the existing fire.

Aesthetically, the Vermont Casting EWF30 can be customized with various finishes, including traditional black, enamel, and even bold colors, ensuring it fits seamlessly with any interior decor. Additionally, this model includes a removable ash pan, providing a convenient cleaning option.

In summary, the Vermont Casting EWF30 is more than just a wood stove; it is a fusion of tradition and technology. Its heating efficiency, durability, and aesthetic appeal make it a worthy investment for anyone seeking a reliable and stylish heating solution for their home. Whether for ambiance or functionality, the EWF30 is designed to enhance the living experience while respecting the environment.
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