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Condensate drain and electronic float switch

paul burrell

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After the electronic float switch came into the code a while back I have been under the impression and several of my ASHI associates that both the pvc condensate pan drain line and the float switch were require for attic furnaces in addition to A coils drain line that exit above furnace.

IRC 2003 section M1411.3.1 and IRC 2000 mechanical code 307.2.2 cover this but.

The HVAC Company has taken exception that I reported no pvc drain at condensate pan because there is a float cutoff switch installed.

I need help in interpeting whether He or I am correct.

Paul Burrell

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