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I have Roca Victoria Boiler, while switching it ON, Red indicator comes ON. Gas burner doesn't lit up

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Bradford White gas power vent water heater; just replaced power vent motor and fan assembly because a bearing went out. Now the new fan motor runs constantly without igniting. Is there a switch that...


Some how you have disconnected the sensor that tells the main burner that the fan is on. Its trying to light but cant. On some models there is a air pressure switch that reads the pressure inside the vent pipe itself. It will have a small hose on it and if that has cracked or was not replaced it wont light. This is how its supposed to work--- vent fan comes on,sensor confirms fan is on,hot surface ignighter starts to glow red,and main burner is opened,another sensor confirms that main burner is lit,then hot surface ignighter turns off. Hope this helps.

Jan 11, 2013 | Water Heaters

1 Answer

I can light the pilot and the burner will come on, but it won't stay lit. I bought a new pilot assembly and installed it. the burner and the pilot light still won't stay lit. This is the unit that...


Most gas water heater problems can be solved by having service technician perform yearly maintenance. Or by doing maintenance yourself.
This maintenance includes cleaning burner parts and combustion chamber, checking gas pressure and supply, bleeding air out of gas line, checking vent draft, making sure air supply is adequate and not exposed to chemicals, cleaning air intake. Also adjusting flame sensor so it is positioned correctly. If water heater is connected to electric circuit, the outlet must have correct polarity.

You can get gas to appliance indicates the gas control valve and water heater are not locked out. But the gas control valve thermostat can still be bad.

Open following link for illustrations, typical service manuals, and maintenance information, and images of gas control valve thermostats.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

Jul 20, 2011 | Reliance & Pilot Assembly for Natural Gas...

1 Answer

I have a Jayco pop up with an Atwood water heater, serial # 37C14U-5. My problem is two-fold. The water heater pilot doesn't stay lit after initial run, and propane is leaking out of the vent on the...


Leaking propane is red flag #1 and fire hazard.
Immediately update your insurance and then turn off gas.
If pilot is not staying lit, then gas leak can be cause of pilot problem since pressure on the line is reduced.
Other causes include bad gas control valve, air in the gas line, bad thermocouple, burner parts need cleaning, or all the above.
After fixing leak, replace thermocouple, clean combustion chamber and burner parts, and bleed gas line to remove air.

More resources:
http://waterheatertimer.org/Atwood-water-heater-resources.html

Jun 28, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Wocester 37cdi condensing boiler when on low fire makes a reverberating noise that appears to come from fan/burner gas mixing assembaly whentemp arond 50 -55


Does the lit gas vary in amount of flame ? Are the gas jets clean?
Is the autovent screw opened at least 1/2 to 1 turn?
Possible resonance within the boiler casing - press and hold side & front panels to suppress the resonance frequency

Mar 14, 2010 | Water Heaters

2 Answers

Problem with hot water from Vokera Excell 80sp boiler


Hi - hope someone can help. I have a VOKERA EXCEL 80SP combi boiler and been without hot water/central heating for two days. The pilot light is on, the fan is on, but boiler not triggering once the hot water tap is turned on.
Hopefully someone come to look at it today but hoping for some advice. Anyone else had this problem?
Thank you.

Dec 21, 2009 | Water Heaters

1 Answer

Hi, im having problems with my hydroline b24 boiler, it will fire up but only for a short time then it stops and a fault light come on (flame or gas failure) i dont think its the gas pressure as the burner...


Switch off the boiler at the mains, remove the front panel and 'lower' the display unit/pcb. Locate the (blue) sensor in the condensate trap (rear left hand corner of the boiler). Remove the sensor and dry the area around the probes which are on the end of the sensor which enters the trap. Restart the boiler - if it runs correctly you have a problem with your condensate overflow (as did I). Good luck.

Dec 19, 2009 | Water Heaters

1 Answer

How do I light my pottertn kingfisher pilot as its gone out? Keep pusing the ignite button but nothing is happening


Push also the gas button and hold in until pilot lit and then for some seconds [8-30] after until the thermocouple is hot enough to tell the boiler to light the main burner

Dec 16, 2009 | Stiebel Eltron DHC Instant Tankless...

1 Answer

Water heater pilot light


it also sounds as though the pilot injector could be blocked so when the boiler comes on it extinguishes the pilot & then when the burner goes off boiler shuts down, or also the pilot rate maynot be set right, so when the main burner kicks in it robs the pilot of the gas it requires.
It could be that, or there is lack of ventilation for the boiler, so you get flame lift off when the boiler fires?

Dec 14, 2008 | Water Heaters

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