overheating

Modle:NCB-190060H(NG) I am new owner with this Condon. I thinks the heater is purchased 2-3 year ago. I got a problem with Space heat when I turn on space heat the Boiler will run 5-10 second and pop out Error 031-00 Overheating of burner check Burner. the pressure is 15psi when the heat start...

In the summer the ambient temp gets over 100F. When it is hot our 20gpm Goulds Booster overheats when it is asked to run for several hours continously. The pump is new. Pump is asked to make 60 psi from.a 10k gallon tank... moving the volume if the tank in a day sometimes for itrigation and...

My gas fired boiler temp guage reads 250 or more sometimes, my pressure relief valve drips and I believe the water pressure in boiler is at about 15 but this doesn't seem to move, guage is a bit hard to read-I have a two story house. Heat in house is working fine. We have hot water base boards...