16
OPEN FLUE KITS
Contents
158662 / 158663
• Boiler adapter + screws (x6)
• Air inlet grille
158771 / 158772
• Extension tube (x2)*
158769 / 158770
• Terminal
Note: See Frame 18 for elbow equivalent lengths.
*At least 1 off extension
tube MUST be used in the
installation. This may be
suitably cut to length if
required
RF 2501
14
VERTICAL ROOF FLUE KIT
Contents
• Boiler adapter + screws (x6)
• Terminal
• Locking Collar
• Finishing plates (x2)
• Bracket
Vertical concentric ue application ~ maximum lengths and pressure differentials
Model 40/40P 60/60P 80/80P 100 120 150
Max ue length (m) 42 7.5 12 14.3 17.6 7.5
Max ue press diff (Pa) 200 117 260 220 288 290
Flue Size 80 / 125 100 / 150
Vertical ue kit No 158654 158656
60 & 80 vertical concentric ues of longer length
Model 60/60P 80/80P
Max ue length (m) 30 35
Max ue press diff (Pa) 133 250
Flue Size 100 / 150
Vertical ue kit No 158655
Open ue application ~ maximum lengths and pressure differentials
Model 40/40P 60/60P 80/80P 100 120 150
Max ue length (m) 70 25 22 20 49 32
Max ue press diff (Pa) 225 150 312 220 365 430
Flue Size 80 / 125 100 / 150
Open ue kit No 158662 + 158771 + 158769 158663 + 158772 + 158770