Hi folks. I'v got a teledyne-Laars minitherm 2 boiler system. I did not have the unit cleaned last year and now problems have developed with carbon buildup on the heat exchanger which prevents proper operation. The HVAC tech is saying the unit should be replaced vs. an acid bath cleaning of the exchanger.
Regardless, I'v considered this unit to be a lemon (numerous problems with rollover switch, melted electronic controls etc)
I'm looking for a unit that will be reliable (obviously with the proper maintainance) Any suggestions to my situation???