On most models, you can simply pull the thermostat straight away from the wall. Pull firmly, being careful not to rip the base off the wall at the same time. Some thermostats might have a button or latch that you need to press to release the cover. Removing this cover should reveal the wires and terminals.
What will removing a thermostat do?
When you remove the thermostat, you remove that restriction and the coolant flows faster, taking on less heat and actually increasing the engine temperature. That’s because the thermostat creates a small restriction in the cooling system which allows the coolant to take on more heat.
Can I remove an old thermostat?
Most thermostats can be removed from their base by gently pulling them away from the wall. You should not pull hard enough to remove the base from the wall. If the cover does not easily detach from the base there may be a screw to remove or a button or latch to release.
Do wall thermostats need batteries?
Wall thermostats typically use AA or AAA alkaline batteries or 3V button-style lithium batteries. The battery of the thermostat keeps your programming saved and prevents your heating and cooling control system from turning off when the power goes out.
How do you take the wires out of a thermostat?
You may find it helpful to have a small Phillips head screwdriver and small regular screwdriver handy to remove the wires from the old thermostat. Some thermostats also use push in terminals which have a release button that needs to be pressed gently with a ballpoint pen or small screwdriver to release the wire.