Quote:
Originally Posted by jrref
Well, if the line is clogged to the float, which is possible, then that's correct. Usually, the line to the float is not clogged and the electronic part fails causing the system to stay On and cause a flood when the condensate drain clogs. I've seen enough of these failures to make this statement.
As far as this check being documented in the tune-up, you have mentioned this before. I would watch what the tech does next time he comes and if he doesn't check this then ask them why. I know it's a pricey call for them to come and fix a clog and clean up the flooded lower plenum when this happens so maybe that's why they don't check. Sunshine checks mine every time they are here doing maintenance.
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I would not accept a manual operation of the float switch. First of all, how do you know that the drain pan doesn't have a leak that prevents water from even reaching the float switch? And, how do you know that the water will provide enough buoyancy force to activate the switch. Also, I will bet you a dollar that many technicians do not test the float switch at all when they perform their maintenance routine.