2930 61st Street
Menomonie, WI 54751
715-283-4422

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Performed furnace tune-up on 5-year-old FRP unit that was running continuously without maintaining temperature. Diagnosed error codes E250 and E311 indicating restricted airflow. Determined high MERV 10 filter was causing restriction; replaced with lower MERV filter which reduced supply temperature from 160° to 115°. Replaced high limit switch, verified proper gas pressure and CO readings. System now operating normally with improved airflow.

Performed furnace tune-up on 5-year-old FRP unit that was running continuously without maintaining temperature. Diagnosed error codes E250 and E311 indicating restricted airflow. Determined high MERV 10 filter was causing restriction; replaced with lower MERV filter which reduced supply temperature from 160° to 115°. Replaced high limit switch, verified proper gas pressure and CO readings. System now operating normally with improved airflow. Performed furnace tune-up on 5-year-old FRP unit that was running continuously without maintaining temperature. Diagnosed error codes E250 and E311 indicating restricted airflow. Determined high MERV 10 filter was causing restriction; replaced with lower MERV filter which reduced supply temperature from 160° to 115°. Replaced high limit switch, verified proper gas pressure and CO readings. System now operating normally with improved airflow.