Woolly Mammoth Stoves
Woolly Mammoth 8 Mk2
| HETAS ID: | E32573 |
|---|---|
| App. Type: | Roomheaters |
| Fuel Type: | Wood Logs, Smokeless |
| Certificate Ref: | AA-2020-11/03 |
| Std. Tested to: | BS EN 13240:2001+A2:2004 |
| Hearth Req: | Single Sheet (with Heat Shield Only) |
| Manufacturer Remarks: | Variant available with Heat Shield at back and bottom of appliance |
| Manufacturer Address: | 20-28 Albert Road, Braintree, Essex, CM7 3JQ |
|---|---|
| Manufacturer Email: | enquiries@woollymammothstoves.co.uk |
| Telephone Number: | 01376 560341 |
Performance
HETAS has audited and verified that all applicable clauses in the test report have been passed in respect of the materials, design, and construction in accordance with the relevant BS EN type test standard for the appropriate technology, performance criteria of which is below;
| Nominal Output - Wood Logs | 8.2KW |
|---|---|
| Net Efficiency - Wood Logs | 78.7% |
| Gross Efficiency - Wood Logs | 71.6% |
| Nominal Output - Smokeless | 8.6KW |
| Net Efficiency - Smokeless | 79% |
| Gross Efficiency - Smokeless | 77% |
Environment
In support of reducing the impacts of particulate emissions on the UK's overall air quality targets, HETAS “Cleaner Choice” appliances have been independently verified as exceeding the current requirements for UK smoke control areas for particulate matter, including PM2.5's by 50% of that required by DEFRA;
70%
Improvement on Clean Air Act Particulate Limit – Full Load
72%
Improvement on Clean Air Act Particulate Limit – Part Load
Safety
The product certified has been assessed for its suitability for installation in domestic properties against the requirements of the Building Regulations and appropriate standards. The performance of the appliance has been verified as meeting the following technical performance attributes;
| Combustible Clearances - Rear | 700 mm |
|---|---|
| Combustible Clearances - Side | 300 mm |
| Hearth Temperature | > >100 |
| Appliance Spigot SIze | 125 mm |
| Minimum Flue Diameter | 125 mm |
| Recomended Flue Draught | 12Pa |
| External Air Supply Compatible | *Yes |
| Tool Required for Refue/De-Ash | Yes |
| Flue Draught test Point | No |
*HETAS product approval is not valid for appliances fitted with an external air supply ducted directly to the appliance. The installer should reference HETAS technical note TN_0020 General Guidance for the Installation, Risk Assessment & Commissioning of Solid Fuel Appliances with a Dedicated External Air Supply for more information.
Technical Data
The purpose of this HETAS Stove Approval Scheme is to help consumers, retailers, installers and others to identify stoves with lower particulate (PM) emissions. There are concerns that small particle emissions known as PM2.5 to PM10 can be harmful. For that reason, we are operating a scheme which only accepts appliances that are tested to emit lower emissions compared to the current legal requirements. We have chosen to set the bar for entry at 50% less emissions than required for exemption for use in smoke control areas in the UK. We also note that Ecodesign legislation has differing, but important limits for other emission and any appliances listed here must meet those requirements as well as exceeding the particulate emission values for exemption by at least 50%.
Additionally, the product certified has been assessed for its compliance against the legal requirements for emissions and efficiency stipulated within the Ecodesign regulations. The performance of the appliance has been verified as meeting the following environmental attributes;
| PM - Wood Logs | 35 mg/m3 |
|---|---|
| OGC Emissions - Wood Logs | 92 mg/m3 |
| CO Emissions - Wood Logs | 1220 mg/m3 |
| NOx Emissions - Wood Logs | 135 mg/m3 |
| Seasonal Efficiency - Wood Logs | 68.7% |
| Energy Label Ratings | A |
| PM - Smokeless | 35 mg/m3 |
| OGC Emissions - Smokeless | 43 mg/m3 |
| CO Emissions - Smokeless | 672 mg/m3 |
| NOx Emissions - Smokeless | 155 mg/m3 |
| Seasonal Efficiency - Smokeless | 69.0% |
Appliance Dimensions
| Height | 575mm |
|---|---|
| Width | 570mm |
| Depth | 295mm |
Technical Downloads
HETAS has audited and verified that all applicable clauses in the test report have been passed in respect of the materials, design, and construction in accordance with the relevant BS EN type test standard for the appropriate technology, performance criteria of which is below;
| Instruction Manual Reference | Woolly Mammoth Stoves - User Manual - Issue 7 - 03/-2/21-03.02.21-Issue 7 |
|---|---|
| DoP Cerificate Referece | No. 2020003 |
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HETAS Advice for Woolly Mammoth 8
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