SF1000E Operator Manual | 1.2021


The chimney must extend at least three feet above the highest point where it passes through the roof surface and at least two feet higher than any part of the building within a horizontal distance of ten feet.

The termination cap should be designed to inhibit down-drafting without restricting the exhaust discharge.

• When installing into an unlined brick chimney, lining the entire chimney with stainless steel chimney liner is strongly recommended. The liner must be 6” for the SF1000E. • The diameter of the chimney stack should be consistent throughout the length of the chimney. • The chimney size should be at least as large as the exhaust stack on the furnace, but not more than twice its size. • The chimney stack should have a built-in airtight clean-out. • Do not operate the furnace with the clean-out uncapped.


• Do not operate with flue draft exceeding .08 water column inches (19.9 Pa). • Do not operate with fuel loading or ash removal doors open. • Do not store fuel or other combustible materials within marked installation clearances. • Inspect and clean flues and chimney regularl .

DANGER - Risk of Fire and Explosion: • Do not burn garbage, gasoline, naphtha, engine oil, or other flammable liquids/inappropriate materials. WARNING: • NEVER use galvanized pipe in your chimney connection, it produces poisonous gases when subjected to extreme temperatures. • USE only lined masonry or manufactured Class “A” HT2100 All Fuel Chimney for your furnace. • INSPECT chimney system periodically for structural integrity. • CLEAN the chimney system regularly to prevent creosote accumulation. • NEVER leave the ash pan in your furnace during operation. • DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE. 9

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