Pitco 35C+ fryer. Pilot lights fine; main burner lights fine. When temp is reached, main burner goes off (as expected) , but so does pilot light. Replaced thermopile, but same thing happens. What's next? Thank you
Kitchen Appliances - Others - Pitco Frialator - 35CD Deep Fryer
Answers & Comments
Its a simple design. If the thermophile does the work of powering the fryer control. Do you have a good pilot flame? If the pilot flame ain't good enough then the millivolts won't be enough to operate the solenoid on the gas valve. Most folks replace both the pilot and thermophile on these fryers since the grease makes such a mess of everything. If the pilot generator is fine then the gas valve is next.
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The part is $178. On this link is 3 or 4 manuals which show the parts and feature servicing.
That is not a bad price considering it is a mercury based gas carrying thermostat.
If you can, I advise you get a qualified dude in there to re-fit that part.
The thermocouple is not place close enough too the flame ( the Pilot light), or it is bad.
Yes that sounds about right what you are saying.
Try to check and tighten terminal wiring connections at gas valve, thermostat and hi limit, very small amount of voltage can not pass on loose wiring connection.
Using an ohm meter, check also if there is continuity across the hi limit terminal when pilot flame shuts. Hi limit trips off at 450F. If oil temp has not reached 450F and the hi limit tripped, you have to replace it.
The hi limit trips at around 450F and when it does it will shut down pilot flame which in turn shuts main burner flame (acts as unit's safety device so that oil will not reach flash point in case burner flame will not cut off). Try to check the hi limit sensing bulb (located inside the fryer tank), it must not touch the fire tube, because if it does, it will sense the flame temp and not the oil temp that will cause premature tripping.