Heat Pump Hvac Condensate Drain Line Design

No trap clean out no vent.

Heat pump hvac condensate drain line design. A c or heat pump condensate drains can become clogged leading to condensate leaks spillage or even bacterial hazards in a building. It can air lock because there is no vent after the trap. 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. Plumbing code citation for installation of air conditioning condensate drain piping.

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. Clogged air conditioner condensate drain lines can form another source of air conditioner or heat pump condensate leakage that can in turn lead to hidden water damage or in some locations an indoor mold problem or bacterial contamination. This drain deserves an f. Three quarters of an inch is sufficient for up to 20 tons according to the imc unless the drain outlet size is larger than in ch use t able 307 2 2 for condensate pipe sizing.

Uniform mechanical code section 310 0 310 1 condensate disposal. Attaches to co2 or nitrogen tanks. Drain s 2015 imc 307 2 2 requires that an air conditioning condensate drain inside diameter should not be smaller than in ch and should not be smaller than the drain pan outlet diameter. Questions why it s not advisable to pump condensate into a sewer drain mar 16 2014 anonymous said.

Most economical solution for hvac r drain lines. Little giant condensate pump. Why would a condensate pump line into a drain be a problem when the pump has a check valve which allows no back leakage of gas or water and if the drain ever clogged it would back up either way anyhow.