Hi EL, hope you are having a nice day
On 23-Nov-03 At About 09:43:27, EL wrote to All Subject: Re: White-Rodgers Thermostat question
E> From: EL
E> The purpose of the anticipator is to shut of the heater a bit before E> the air temperature reaches the value that you set at the E> thermostat. E> It is nothing more than a small adjustable heater E> located within the thermostat.
This part is correct to a point.
E> The reason that this prevents E> temperature over-shoot is that when the furnace is told to stop E> heating there is still heat stored in the furnace that must still be E> transferred to the house.
this is where you go wrong. The thermostat reacts slowly due to the temp of the wall and it's location. so if you didn't have the anticipator it would overshoot.
-=> HvacTech2