Heat Pump Hvac Condensate Drain Line Design

Its job is to efficiently funnel condensation away from your hvac unit.

Heat pump hvac condensate drain line design.

Carson dunlop associates sketches left illustrate both acceptable and not recommended locations for the discharge of an air conditioner or heat pump condensate drain line discharge. Condensate lines are typically made of plastic commonly pvc or sometimes metal although plastic is prefered. If you spot any of the tell tale signs of a condensate line or drip pan clog the average homeowner is more than capable of clearing simple clogs if confident. This is commonly seen in residential and commercial sites where no floor drains were provisioned to drain condensate.

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. Clear condensate line clogs. The piping from the cooling coil to the condensate pump reservoir should be installed with minimum 1 8 inch slope to enable gravity flow. This drain deserves an f.

As indoor air circulates through the evaporator coil dust dirt and other airborne particles can be trapped by moisture. Uniform mechanical code section 310 0 310 1 condensate disposal. Build up of this debris can be carried off as condensate drains from the coil. If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line.

With no overflow safety switch no clean out and no vent one is just asking for several thousand dollars of damage due to condensate water backing up and overflowing the cooling coil drain pan flooding out this interior furnace closet. Questions why it s not advisable to pump condensate into a sewer drain mar 16 2014 anonymous said. No trap clean out no vent. Plumbing code citation for installation of air conditioning condensate drain piping.

Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit. It can air lock because there is no vent after the trap. Little giant condensate pump. This will kill any algae mold or mildew that has formed in the pipe.

The growth can clog the drip pan or even rinse into the condensate drain lines causing a clog in the piping. Signs the ac drain line is clogged. Condensate pumps shall be used where gravity drains are impossible to install. Over time it can become trapped in your condensate drain line causing blockage.