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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
FPS 75 SERVICE AND OPERATION cant.
PilOT PROBLEMS
Trouble-
shooting cont.
The following are possible causes of pilot problems:
1. An open E.C.O. (high limit) will not allow the heater to relight. (See page 84).
2. Incorrect pilot gas pressure: it should be 3.5" for natural gas and 10" for
propane.
3. Excessive equivelant foot length on vents can cause pilot outages.
4. Incorrect pilot position; the pilot should engulf the tip of the flame sensor 3\8" to
1\2".
5. A leak in pilot tube will cause candling.
Technical Information
Irving, Texas
92
@1995
A.D. Smith
Water Products Co.