A separate drain line from the pan channels the water to the proper place.
Hvac drain pan float switch.
Little giant 599125 acs 4 in line condensate drain overflow shut off switch 24 vac 72 leads.
A float switch is essentaially an electronic water sensor for your hvac system.
In order for the switch to open it must be positioned in a location that is dry normally and will reliably fill with water when a drainage issue occurs.
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.
As water level in the auxiliary or main drain pipe rises due to a clogged air conditioning condensate drain the switch shuts off the system thus preventing water from overflowing and causing damage to doors walls and ceilings.
Including formed plastic and galvanized sheet metal.
Flood prevention switches are simple to install easy to service and extremely reliable.
The float switch a safety device that shuts the system down when condensation overflows into the drain pan can fail for a number of reasons according to smith.
Ac acfloatswitch amazon floatswitch how to install and connect ac float switch rectarseal ss2 in this video i show how to install ac float switch.
A separate float probe assembly swivels to accommodate drain pans having sloped sides.
Universal secondary drain pan condensate float switch cs 3.
The water needs to be removed from the fitting that holds the float by either turning the float up or over to allow the water to flow back into the air handler s drain pan.
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If there s a clog in the drain line the ac leaks into the pan.
Water dripping through the ceiling and an air handler sitting in a drain pan full of water directly above it is more common than you think says christian smith an hvac contractor.
If the float switch is glued in place the water can be sucked out with a shop vacuum by removing the float and then sucking the water out.
Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks.
The condensate cop features a large over clamping area that fits easily over the edge of all types of drain pans.
Luckily most hvac companies install a drain pan and float switch to help you avoid these sorts of problems.