Hvac Safety Switch
This is where an ac float switch comes in.
Hvac safety switch. Most building codes require a furnace switch or disconnecting means within sight of the furnace itself. Checking for water in a pan under the unit could tell you the drain is clogged. Simply empty the pan and flush out the drain line and the unit may start operating again. This is the switch used disconnects the power to the furnace turning it on and off as needed.
It shuts my ac system off. Usually indoors at or right on the indoor air handler blower unit this switch is normally always on except during equipment servicing. Many a c units have a water safety switch to stop them from operating if water could leak into your home and ruin ceilings and floors. Also sometimes called an ac safety switch ac float switches can be installed in the drain line of the air conditioner and if water begins to accumulate in the drain line a small ball valve inside the switch will begin to float.
What it does it gives your ac system the ability to detect if it has a clogged drain and if the switch detects a clogged drain scenario it immediately shuts the system off. A furnace switch is more accurately called a furnace disconnect or furnace disconnect switch. Introducing the float switch a float switch is essentaially an electronic water sensor for your hvac system. A c indoor air handler service switch.
Jose de la portilla of lennox learning solutions shares how hvac safety switches work and ho.