The Ventis HEI240 large sized single cast iron door wood burning insert is recommended for heating larger spaces from 500 - 2, 100 sq. ft. The firebox is lined with refractory bricks for better heat distribution. The HEI240 offers non-catalytic combustion technology, and a Stainless-steel secondary-air system which improves gas combustion. This unit has a 8hr Maximum Burn Time, can hold 20" logs, 75,000 BTU/H Max, and is EPA 2020 approved.

Features:

• 2.4 cu. ft. firebox

• Heating capacity 850 to 2,100 sq. ft.

• Optimum efficiency : 77%

• Emissions: 1.54 g/h

• BTU/hr, seasoned cord wood: 75,000

• Maximum log length: 20''

• Flue diameter: 6''

• Minimum fireplace opening: 23-3/8''H x 28-7/8''W x 15-3/4''D Air-wash system

• Fire viewing area: 173 sq. inches

• Tested by Intertek as per applicable standards (CSA/UL/ULC and/or others)

• Adapter for exterior air intake

• Washington State Approved

• Vermiculite baffle

• Non-catalytic

• Large appliance

• Premium manufacturing quality

• Non-catalytic combustion technology

• Cast iron door