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Pitco SG14R Backfires

Pilot lights are lit. Turn on unit, and after a bit of time, it backfires big time, like there is a gas buildup in the combustion chamber before it ignites.

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Susan Bennett

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That is strange....Have you tried to clean out your gas lines? Sometimes, especially in LP fryers, they get stuff up inside the gas lines, which have to be cleaned out in order for them to work correctly...I sure sounds like a gas problem, with you saying it "backfires". Another to check, would be is this a natural gas fryer, hooked up to LP, or vice versa? Either way it wouldn't work properly, and could cause that.... You don't have a leak around your fry pot area, do you? That catches fire sometimes, where the oil leaks out under the pot. You can also check your jets, as they get clogged up too. We use a air compressor to blow them out, but you can use a small brush or a skewer to clean them out as well. Our gas service tech, Ray is off Monday, but he will be back in on Tuesday, so if you need further help, please call and speak with him Tuesday.
Our toll free number is 888-542-5959. We are open 8:30 to 5:30 M-F.
I hope this helps, but if not, call Ray and he can probably help you further.

Susan
Restaurant Equipment Outlet

Posted on Nov 26, 2011

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HOW CAN YOU TELL IF THE PILOT LIGHT IT LIT?


The Hayward H Series Pool Heater with standing pilot uses a standing flame to safety initiate combustion, and the standing pilot flame is uses to generate about 0.400 to 0.450 volts DC to operate the gas valve.

CAUTION: Your Hayward H Series Pool Heater is essentially a furnace. Only qualified technicians with proper training and tools should repair your heater.

Once you have completed the pilot start procedure in your heater manual, the pilot flame should be visible but it is difficult to see. The pilot is located at the bottom of the heater, to the left side of the burner chamber, about half way between the front and back of the heater. Before attempting to verify the pilot, it's wise to turn the thermostat to the full counterclockwise OFF position. There are two useful methods to verify the pilot: 1) Before you initiate the pilot procedure, place a small mirror on the floor of the heater on the left side of the burner chamber, just inside the combustion area. CAUTION: DO NOT attempt to place or remove this mirror while the heater is in combustion mode! After placing the mirror, you should be able to see the pilot assembly. Follow your pilot start procedure, then you should be able to see the pilot flame in the mirror before you turn the gas valve knob into the ON mode. Be careful to remove the mirror before initiating combustion. 2) Only when the pilot flame is on will the thermocouple generate the circuit voltage required to operate the gas valve. During the pilot start procedure, while the gas valve knob is still in the "pilot" position and the pilot flame is on, the circuit voltage can be measured at the gas valve without danger of initiating combustion. Using a volt meter, measure the voltage between the RED and WHT wires on the gas valve terminals. This measurement should be between 0.400 and 0.450 volts DC. If below, the gas valve will not operate even if the pilot is ON.

After verifying the pilot, be sure to remove the mirror (if used) and the voltmeter (if used), turn the gas valve to "ON", and return the front heater cover before initiating combustion.

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Why won't the pilot valve turn on my pitco 35C+ frialtor?


You turn the valve knob to "Pilot", push it in, and light it (use a long butane lighter-it's easiest) and keep the button pushed in for 20 seconds-1 minute. If the pilot stays lit, turn the dial to "On".

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1 Answer

Sime boiler pilot light


Sounds like an old boiler. It is not on timer and has to be lit manually. Push in the gas button and hold and push the sprung ingnition button to greate spark. Continue to hold in gas button 1-2 mins and release. The pilot light should then stay on. The flame will have heated the sensor in the combustion chamber and the boiler thinks that there is a flame and will allow the main gas jets to light when demanded . If the flame does not stay on clean the sensor prongs with emery cloth but do wait until they are cooled. You have open up the combustion chamber for access
The 1-2 mins above varies

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1 Answer

Reliant 501 Natural Gas won't stay lit


Reliance water heater?
Thermocouple is good if the pilot stays lit continuously.

501 is older model. Unknown if this unit has FVIR protection and sealed combustion chamber or open air intake on front of unit.
http://waterheatertimer.org/pdf/Reliance-2006-Service-Handbook.pdf

With FVIR protection:
Get more fresh air to the unit.
Clean the flame arrestor screen.
Test and replace the thermocouple:
http://waterheatertimer.org/How-to-test-water-heater-thermocouple.html
Inspect and clean burner and combustion parts
Test gas pressure, bleed air out of gas line.
Replace gas control valve.
Test draft air by lighting match and see if smoke is pulled into the vent pipe at draft hood on top of tank.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

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1 Answer

I have a 40 gallon natural gas operated Rheem manufactured GE smartwater that has been shut off since pilot could not be lit. I would like to lit the pilot but I would like to know if I should switch the...


Not enough information is given.
Add a comment any time.

Why did water heater turn off?
If water heater was exposed to flammable vapors like gasoline, paint thinner, paint, leaking gas line, etc, then the 'single use gas shut off' might have tripped.
If water heater is older and the burner parts never cleaned, then combustion chamber can experience overheating, and that can trigger 'single use shut off.'

Instructions for lighting water heater should be printed on side of heater.
Follow the instructions and see if water heater will light.
Then check if flame is clear blue. If flame is yellow-orange, then burner parts need to be cleaned.
If water heater will not light, then combustion parts may need to be cleaned, and air intake cleaned, and 'single use shut off' could also be tripped.

Also possible that gas control valve thermostat is bad.

Open following link to help identify gas valve and see illustrations and read information about cleaning combustion parts:
http://Waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

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1 Answer

Reliance 606 natural gas water heater - model #640YORT - water does not stay hot. pilot has to be clicked to heat and then u can use hot water til tank empty and it will not continue to heat water.


If I understand correctly, the pilot light is not staying lit.
You light the pilot and water in the tank reaches temperature.
Once hot water is gone, then pilot light has to be lit again.

Gas pressure is good, and gas is flowing.
Thermostat is working at high end because it cuts off heating.
Vent is working because tank heats up.
Air intake is working.

Gas control thermostat might not be reading low temperature. Replace gas control valve.
Pilot tube might be dirty. Clean burner parts and combustion chamber, and air intake, and vent.
Backdraft might be blowing out pilot. Check for constant updraft by running water heater 5 minutes, and then light match under vent hood and see if smoke goes up.
Very hot air can put out pilot, especially when water heater located in attic. Add ventilation.
Improper vent might have water dripping back down into combustion chamber and putting out pilot light and rusting out the parts. Inspect for rusted parts and water.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/pdf/Pilot-light-will-not-stay-lit.pdf

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1 Answer

I have a 50 gallon rheem direct vent natural gas heater. The pilot light goes out on an infrequent but aggravating basis. I replaced the thermocouple one time and it got better for about a year but has...


Open following links for pilot light help:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/pdf/Pilot-light-will-not-stay-lit.pdf
http://waterheatertimer.org/images/Negative-pressure.jpg
http://waterheatertimer.org/pdf/Bosch_Ventilating_tight_houses.pdf

Since pilot light goes out and can be re-lit, problem is probably not thermocouple, gas control valve, or air in gas line. But these things can factor in as contributing factors.
Problem is likely one of following or combination of following including dirty burner parts, tight house, incorrect vent lengths, negative pressure caused by other venting appliances, condensation dripping down into combustion area, and inadequate oxygen supply due to hot or closed-off room or attic location.

Gas water heaters draw air from surrounding area. If water heater is located inside house, then air has to enter home through cracks and when doors and windows are opened. Other gas appliances and vent fans also draw air from same indoor area. When other vent fans turn on, air can be drawn down the water heater vent and blow out pilot light.
Inspect combustion chamber to make sure there is no condensate water dripping down from incorrect vent that is putting out flame. If combustion chamber is dry, then close doors and windows. Turn on all vent fans and gas appliances that vent outdoors, and see if water heater pilot goes out.
Consult with plumber or product manual about proper horizontal and vertical lengths of vent pipe for your model. Have plumber clean combustion parts and inspect vent termination and check gas pressure and bleed gas line.
Add louver opening to outdoors so air can enter room where water heater is located.

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1 Answer

Rheem power vent heater will lite one time and go out after 5 minimutes. It tries to restart three time and then shuts down


Problem can be bad gas control valve, bad wire connections, combustion chamber and burner parts need cleaning, bad venting, air in gas line. Rheem manual recommends calling service technician.
Open following link for gas water heater troubleshooting resources and illustrations for cleaning:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot
http://waterheatertimer.org/pdf/How-to-clean-combustion-chamber.pdf
Generic pilot light information:
http://waterheatertimer.org/pdf/Pilot-light-will-not-stay-lit.pdf

Open following link for Rheem gas water heaters to identify product and download manual:
Click on link next to image, next page opens, click on Spec/Docs to find typical use and care manuals and then read troubleshooting tips for your specific unit where it suggests calling service technician.
http://www.rheem.com/Products/tank_water_heaters/gas_water_heaters

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1 Answer

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The high limit switch has nothing to do with the pilot light, but will shut down the main burners. It the pilot light will not stay lit, then it is most likely the thermocouple. If the pilot light will not light at all, then gas is not reaching the pilot. Most likely, the pilot light tube is clogged with grease. When you push on the button to light the pilot, you are overriding all safeties inside the unit and sending gas to the pilot. Also make sure that the unit itself is getting gas. New regulations require a shut off within the hose that feeds the appliance which will shut off due to a surge of gas through the hose. To reset it, disconnect/reconnect the hose at the intake end and when you turn the gas back on, turn it on slowly.

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1 Answer

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