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Finned copper tube gas boilers & water heaters – Boiler Manual
2
F
F
XLF PRIMARY
COMPONENTS
1.
Electrical enclosure (rear)
2.
Blower and motor
3.
Air inlet connection
4.
Flue outlet connection
5. Gas
entrance
6.
Boiler water return
7.
Boiler water supply
8. Gas
valve
9.
Power entrance box
10. DP switch — blocked air
inlet
11. DP switch — blocked fl ue
12. DP switch — blower prov-
ing
13. DP switch — pilot air prov-
ing
14. Ignitor
15. Pilot gas valve and pilot gas
pressure regulator
16. Flow
switch
17. Low water cutoff
18. Pressure/temperature
gauge
19. Relief
valve
20. High gas pressure switch
21. Low gas pressure switch
1
6
7
8
2
9
4
5
17
18
19
21
20
10
11
12
13
14
15
16
3
XLF
Rear view
Air chamber cover removed
RBI
Futera
XLF
-Series boilers — Overview
See the Futura XLF Control manual
for electrical component locations.
