
15
USA
Natural Gas 0– 2000 ft (0-610m)
Size
60 80 100 125 150 170 200
“WC
3.7 3.2 2.7 3.6 3.4 4.4 2.7
40
3.4
USA
Natural Gas 2001- 4000 ft (611-1220m)
Size
60 80 100 125 150 170
200
“WC
3.5 3.0 2.6 3.4 3.2 4.2
40
3.2 2.6
CANADA
Natural Gas 0- 2000 ft (0-610m)
Size
60 80 100 125 150 170
200
“WC
3.7 3.2 2.7 3.6 3.4 4.4 2.7
40
3.4
CANADA
Natural Gas 2001– 4500 ft (611-1370m)
Size
60
80 100 125 150 170 200
“WC
3.5 3.0 2.6 3.4 3.2 4.2 2.6
40
3.2
Model
U Tube
Straight Tube
U20
U30 U40
U35
U45
U55 U65 U75 S20
S25 S30
S40
S50
S60
S70
S80
40
●
●
●
●
●
60
●
●
●
●
●
●
●
80
●
●
●
●
●
100
●
●
●
●
125
●
●
●
●
●
150
●
●
●
●
●
170
●
●
●
●
●
●
200
●
●
●
●
●
●
●
Tube Type Material
Linear Heater Min.
Distance to Bend
ft (m)
U-Tube Linear All
Heaters
Aluminized
(or superior)
Aluminized
(or superior)
Mild Steel
(or superior)
40
TUBE 1
TUBE 1
REMAINDER
10 (3.0)
60
TUBE 1
TUBE 1
REMAINDER
10 (3.0)
80
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
100
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
125
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
150
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
170
TUBE 1
TUBE 1 & 2
REMAINDER
30 (9.1)
200
TUBE 1
TUBE 1 & 2
REMAINDER
30 (9.1)
Model
USA
Natural Gas 0– 2000 ft (0-610m)
Size
60 80 100 125 150 170 200
“WC
3.7 3.2 2.7 3.6 3.4 4.4 2.7
40
3.4
USA
Natural Gas 2001- 4000 ft (611-1220m)
Size
60 80 100 125 150 170
200
“WC
3.5 3.0 2.6 3.4 3.2 4.2
40
3.2 2.6
CANADA
Natural Gas 0- 2000 ft (0-610m)
Size
60 80 100 125 150 170
200
“WC
3.7 3.2 2.7 3.6 3.4 4.4 2.7
40
3.4
Model
U Tube
Straight Tube
U20
U30 U40
U35
U45
U55 U65 U75 S20
S25 S30
S40
S50
S60
S70
S80
40
●
●
●
●
●
60
●
●
●
●
●
●
●
80
●
●
●
●
●
100
●
●
●
●
125
●
●
●
●
●
150
●
●
●
●
●
170
●
●
●
●
●
●
200
●
●
●
●
●
●
●
Tube Type Material
Linear Heater Min.
Distance to Bend
ft (m)
U-Tube Linear All
Heaters
Aluminized
(or superior)
Aluminized
(or superior)
Mild Steel
(or superior)
40
TUBE 1
TUBE 1
REMAINDER
10 (3.0)
60
TUBE 1
TUBE 1
REMAINDER
10 (3.0)
80
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
100
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
125
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
150
TUBE 1
TUBE 1
REMAINDER
20 (6.1)
170
TUBE 1
TUBE 1 & 2
REMAINDER
30 (9.1)
200
TUBE 1
TUBE 1 & 2
REMAINDER
30 (9.1)
Model
OPTIONS
1 All standard units fitted with unvented vent, natural gas and stainless steel or aluminized reflectors.
2 1 off 180° ‘U’ bend or up to 2 off 90° ‘L’ bends can be fitted at no less than 50% of the total heater length.
3 5ft tube kit (linear only).
4 4” (101mm) or 6” (152mm) vent terminal.
5 Combustion air kit.
6 Altitude conversion kit.
7 Stainless steel or aluminized steel reflectors.
8 End caps.