Form: 2435
Revision: 8
Arctic Installation and Operation Manual
Date: 9-19-2016
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601
Web:
www.
thermalsolutions
.com
Phone:
717-239-7642
Fax:
877-501-5212
Email:
45
Appendix B
Vent and Combustion Air Pressure Drop Data
The combined pressure drop through the vent and combustion air duct shall not exceed 100
equivalent feet. Use the tables below to calculate the pressure drop in the vent / combustion
air system.
ARC1000 Pressure Drop in Equivalent Feet (Flue Vent)
Flue Vent
Diameter (in.)
Straight Length
(eq ft/ft)
90
°
Elbow
(eq ft)
45
°
Elbow
(eq ft)
Velocity
(fpm)
6
1
10
5
1534
8
.22
2.22
1.11
863
ARC1500 Pressure Drop in Equivalent Feet (Flue Vent)
8
.56
5.88
2.86
1296
10
.174
1.75
.87
829
ARC2000 Pressure Drop in Equivalent Feet (Flue Vent)
8
1
10
5
1728
10
.31
3.125
1.56
1106
12
.12
1.19
.59
768
ARC2500 Pressure Drop in Equivalent Feet (Flue Vent)
8
1.563
16.67
8.33
2158
10
.478
5
2.44
1381
12
.183
1.852
.92
959
ARC3000 Pressure Drop in Equivalent Feet (Flue Vent)
8
2.22
25
11.11
2591
10
.68
7.14
3.57
1650
12
.267
2.7
1.35
1152
ARC1000 Pressure Drop in Equivalent Feet (Combustion Air Duct)
Air Duct
Diameter (in.)
Straight Length
(eq ft/ft)
90
°
Elbow
(eq ft)
45
°
Elbow
(eq ft)
Velocity
(fpm)
6
.6
6.25
3.13
1121
8
.13
1.32
.658
631
ARC1500 Pressure Drop in Equivalent Feet (Combustion Air Duct)
8
.3
3.03
1.49
946
10
.09
.92
.46
605