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Furnace 1661 EPA Large Furnace, 1661E

SKU # 130415899
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The Clayton CL1660E add on furnace is designed to use in conjunction with your existing HVAC ductwork and work seamlessly with your existing furnace. It is EPA Certified to be clean burning and meets all current EPA guidelines. With twin 800 CFM blowers and up to 180,000 BTUs it is designed to heat a home up to 3,000 sq. ft. This unit is made with a firebrick lined plate steel firebox with an integrated shaker grate surrounded by HVAC grey painted steel giving the unit an eye appealing look. Connection to your existing ductwork is easy with the dual 8 inch heat outlets. It has Front mounted air controls for precise burn settings. This Furnaces uses re-burn technology that does not require the use of expensive catalysts making it very easy to maintain. This Furnace also comes equipped with a Digital Thermostat that controls an Automatic damper system that when extra heat is needed it automatically adjusts the air intake to boost the fire and deliver more heat to your home. In addition, we have also included a Universal Filterbox to add the air filter and allow easy hookup to your home's return air system.

  • Installation materials are NOT Included (i.e. floor protector, chimney connector, thimble, radiation shield, flue)
  • Twin 800 CFM blowers provide redundancy and large amounts of air flow
  • 6" Flue Collar
  • Dual 8" diameter heat outlets
  • Secondary Heat Exchanger with Firebrick Baffle for Extra Long Life
  • Manual Damper system allows Fine tuning for Maximum efficiency
  • Firebrick lined Firebox to boost efficiency and heating capacity

Specification Description
Application/Use: Indoor
Blower Type: Double
Cabinet or Housing Material: Stainless Steel
Capacity: Varies
Catalytic Type: Non-catalytic
CountryofOrigin: Imported
Coverage Area: 3,000 sq. ft.
Finish: Stainless Steel
Firebox Depth: None
Firebox Height: None
Firebox Width: None
Flue Collar Size: 6 in.
Flue Exit Shape: Round
Fuel Type: Wood
Furnace Installation Type: Horizontal
Heat Output: 180,000
Heater Control: Knobs
Heating Unit Type: Wood Furnace
Indoor and/or Outdoor: Indoor
Intended Use Grade: Residential
Material: Stainless Steel
Mounting Location: Freestanding
Part Number: 1661E
Product Height: 46.5 in.
Product Length: 51 in.
Product Weight: 535 lb.
Product Width: 26.5 in.
Special Feature(s): Designed to use with existing HVAC ductwork
Type: Wood Furnace
Vent Diameter: 8 in.
Vent Type: Non-Direct
Venting Location: Side
Product Type: Wood Furnaces
Manufacturer Part Number 1661E
Furnace 1661 EPA Large Furnace, 1661E is rated 4.0 out of 5 by 2.
Rated 5 out of 5 by from stove it is easy to set up works very well keeps the shop nice and worm
Date published: 2018-09-30
Rated 3 out of 5 by from Good stove bad presentation I bought stove came with two minor dents on side from how they packed it and lacked instructions on how to assemble .
Date published: 2018-09-28
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What if the electricity goes out? I know the blowers won't work as well as the digital stuff but what happens to everything. I have lost power here in maine for 4 days. This would be in my basement.

Asked by: Thejackmanone

What’s the firebox size? This the equivalent of the Ashley Clayton 1660?

Asked by: Richard2990

What are the dimensions of the fire box?

Asked by: Gunski
15 W x 20 D x 17.1 H
Answered by: JasmineH
Date published: 2018-10-02

Is there a company I can call regarding getting regular maintenance/service done to my furnace?

Asked by: In need of service
For support, please contact US Stove directly at 800-750-2723, or via email at customerservice@usstove.com
Answered by: JasmineH
Date published: 2018-09-26

Can you burn coal in this Clayton 1661E furnace? If no, what would happen if you did? I am aware that the EPA has tracked down old unsold wood/coal stoves and relabeled them wood only. Thanks in advance for your answer.

Asked by: Dannyjan
The 1661E was just introduced this year as an EPA certified, wood only furnace. The 1661E is not UL listed for coal and would void all warranty.
Answered by: NRoberts
Date published: 2018-09-27

What is the minimum flue eye height for this stove? 

Asked by: Avridge Joe
The Minimum Chimney Height would be; 12 feet. Also, The following recommendations may be useful for the installation of your chimney: It must rise above the roof at least 3’ (0.9m) from the uppermost point of contact. The exterior portion should be double or triple wall pipe to ensure proper draft. The chimney must exceed any part of the building or other obstruction within a 10’ (3.04m) distance by a height of 2’ (0.6m).
Answered by: NRoberts
Date published: 2018-08-29

I’m needing to know if this furnace will work with my existing lined block chimney. My flu eye is 49”up from the floor to the bottom of eye. What is the minimum it can be? 

Asked by: Avridge Joe
The actual flue collar is 50.81" from the floor to the top of the flue collar opening. The flue collar is 2" above the 48.81 top of the furnace.
Answered by: NRoberts
Date published: 2018-09-17

can I burn coal in this one too

Asked by: mayo
No, this is a wood burning furnace.
Answered by: JasmineH
Date published: 2018-09-15
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