Oct 9, 2019 · If you have a thermostat with a heat anticipator and are experiencing dramatic temperature swings, you have come to the right place. The heat anticipator in simple mercury …

How do I adjust a thermostat so that the heat reaches the set temperature? My Honeywell round thermostat has a bulb with mercury in it and a coil of metal that seems to control when it …

Aug 15, 2022 · Honeywell heat anticipator adjustment If your home is heated with a Honeywell round thermostat, you may notice a small dial above the temperature settings. This dial is the …

Nov 18, 2022 · A heat anticipator helps your mechanical thermostat control the heat accurately. Here's how to adjust an anticipator if your furnace is shutting off to early or too late.

Simplified instructions for setting the heat anticipator in a Honeywell T87 and similar thermostats. This article series explains what a heat anticipator is on a wall thermostat, where to find it, …

Jan 11, 2024 · A quick question about the Honeywell T87 mercury thermostat: Can the thermostat be damaged if the heating system (gas valve) recommends an anticipator setting of 0.8 and …

Apr 19, 2023 · The heat anticipator allows the thermostat to properly time the furnace shut-off. Learn how it works and how to adjust it for proper operation.

Locate the heat anticipator adjustment scale and lever on the old thermostat (Fig. 1). Fig. 1. Mercury switch location. MERCURY SWITCH OLD THERMOSTAT ANTICIPATOR SCALE …

5. Remove the thermostat cover and mount the thermostat to the wallplate or subbase. 6. Remove and discard the red plastic insert securing the mercury switch. 7. Set the heat …

Page 4: Thermostat Mounting T822 Series • Owner's Manual Set heat anticipator (model T822K only) Move the adjustment arrow to the proper setting for your system (see table below).