Specifications
13
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.
Burner
Rating
U Tube Straight Tube
U20 U40 U60 U80 S10 S20 S30 S40 S50 S60 S70 S80
60
● ●
● ● ●
80
● ● ● ● ●
100
● ● ● ●
125
● ● ● ● ●
150
● ● ● ● ● ●
170
● ● ● ● ● ●
200
● ● ● ● ● ●
Burner
Rating
Natural Gas LP Gas All types
Combustion Fan
Details
Pressure
Switch
Combustion Fan
Details
Pressure
Switch
Burner
Head
Fan Type
Orifice
Part No.
Part No. Fan Type
Orifice
Part No.
Part No. Part No.
270476
270476
270425
60
269923
270386
269925
270386
80
269922 269925
100
269923 269928
125
269927 269931
150
269926 269933
170
269930
270475 269937
200 270475
269938 270387
N/A
Burner Rating
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)