Get rid of the thermostat cover and look for issues
First, eliminate the thermostat cover and ensure the subbase is installed level on the wall. If it’’ s not, the mercury switch inside won’’ t work appropriately, which can impact the precision of the temperature level readings. Your subbase will either have leveling posts where you can lay the level, or a flat location at the bottom or leading where you can set the level (Photo 1). Move the subbase around till it’’ s level and after that tighten up the installing screws.
.How to adjust thermostat.
Next, change the heat anticipator, which tweaks the point at which the thermostat switches off the heater burners. Find the heat anticipator change lever arm (Photo 2). If the heating system is biking on and off frequently, move the lever far from the ““ longer ” setting by one calibration mark. If the space temperature level is either too cold or too hot for extended periods, move the lever better to the ““ longer ” setting by one calibration mark. Let the heater run for 2 to 3 hours and, if essential, repeat the above change. You might require to change your thermostat if the issue continues.
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