February 24, 2017 By admin

Two-Stage Furnace Code 31

n the 58CTX, 58CVX, 58MTB and 58MVB, code 31 can be a confusing one. Is it a pressure switch issue or a control relay issue? Greg Sanchez will help you understand how to best proceed.

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Code 31 or 13

Code 31, 2-Stage Furnaces

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