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Laars Endurance F-2 Error Code

rjfischer
rjfischer Member Posts: 1
Hi - I have a 2002 Endurance. I believe it is a EDP Hydronic Boiler. I'm getting LO with an error of F-2. Reset bring the boiler back up and running. It is happening couple times a month. The manual I found calls it an Over Heat Thermostat and my research tells me it is an internal water flow problem causing the over heat thermostat to trip. Does this sound like a correct diagnosis and if so how do I correct this problem? Where is this thermostat located in the boiler? Thx!