14
Options * Not available on LP Gas
1 All standard units fitted with unvented vent, natural gas and aluminized steel reflectors.
2 1 off 180° bend (U) or upto 2 off 90° bends (L) can be fitted at no less than 50% of the total heater length.
3 4” (101mm) or 6” (152mm) vent terminal.
4 Combustion air kit.
5 Reflector end caps.
6 Altitude conversion kit.
7 Propane and propane altitude conversion kit.
MODEL
U Tube Straight Tube
U20 U40 U60 U80 S20 S30 S40 S50 S60 S70 S80
60
● ●
● ● ●
80
● ● ● ● ●
100
● ● ● ●
125
● ●
● ● ●
150
● ● ● ● ● ●
170
● ● ● ● ● ●
200
● ● ● ● ● ●
MODEL
Tube Type Material
Min. Distance to
Bend ft (m)
Calcoat™ Mild Steel
60
TUBE 1 REMAINDER 10 (3.0)
80
TUBE 1 REMAINDER 10 (3.0)
100
TUBE 1 REMAINDER 15 (4.6)
125
TUBE 1 REMAINDER 20 (6.1)
150
TUBE 1 REMAINDER 20 (6.1)
170
TUBE 1 & 2 REMAINDER 25 (7.6)
200
TUBE 1 & 2 REMAINDER 25 (7.6)
Technical Details continued