Bob M Posted March 25, 2014 Report Share Posted March 25, 2014 Hi All, My Jandy LT heater is not Igniting. Normal start up, blower cycles, Ignitor heats up with visible glow, then "click" but valve doesn't open so no flame. After three tries the AGS (auto gas shutoff) error light comes on. I suspect it is the gas valve itself,Honeywell VR8305M4140. I took the electrical leads off the valve and attached a meter to check the voltage. It read 28V AC when the heater tried to open the valve. Anybody had similar experience or comments about what else it may be before I replace the valve? Thanks for any insights. Sponge Bob Pool Pants Quote Link to comment Share on other sites More sharing options...
Pool Clown Posted March 25, 2014 Report Share Posted March 25, 2014 If you are getting voltage at the gas valve and no fire, it's probably the gas valve, as long as you are CERTAIN you are getting gas to the valve! Confirm you are getting gas to the valve before you order a valve. Quote Link to comment Share on other sites More sharing options...
Bugman1400 Posted March 26, 2014 Report Share Posted March 26, 2014 You can also ohm out the valve. Another possibility is a faulty or missing regulator. If the gas pressure is too high or too low, it will now allow the gas valve to open. Quote Link to comment Share on other sites More sharing options...
americanbest Posted April 10, 2014 Report Share Posted April 10, 2014 you can replace other vale, and check voltage Quote Link to comment Share on other sites More sharing options...
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