Empire Comfort Systems VFSUR24-2 Gas Heater User Manual


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25741-0-0309Page 12




 
 
ashes, soot, creosote or other obstructions.
Have this cleaning performed annually after installation.
 

outage or sooting. Use a heat-resistant sealant. Do not seal chimney

Install and operate the appliance as directed in this manual.





rd.

No greeting card, stockings or ornamentation of any type should be placed

heat can ignite combustibles.




20 30 40



10 11.3 16.6 22.1
15 8.6 12.6 17.3
20 7.5 10.8 14.5
25 6.6 9.6 12.6
30 6.2 9.1 11.3
35 5.7 8.0 10.8
40 5.3 7.5 10.2
* Height is from hearth to top of chimney and the minimum height is
10 feet.
** Chart shows minimum opening (sq. in.) for given height and input
rate.

20 30 40



6 17.6 25.7 33.8
8 16.5 23.7 31.2
10 15.1 21.7 28.7
15 14.1 19.9 26.1
20 12.9 18.5 23.7
30 12.2 16.9 21.6
* Height is from hearth to top of chimney and the minimum height is
6 feet.
** Chart shows minimum opening (sq. in.) for given height and input
rate.
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