The condensate trap is absolutely mandatory for a high-efficiency gas furnace. If the drain line is connected to a plumbing drain leading to sewer it should have a trap and a downhill vent. Additionally, the inducer motor would suck air through the drain if it weren’t trapped, which could affect combustion, and would prevent proper drainage. General Electric Zoneline® instructions . Keep that in mind, …  Reader Stuart Oakner suggested the Mighty Pump (below) as a method for clearing clogged or blocked air conditioning or heat pump condensate drains. Examples of Model Building Codes Condensate Disposal Regulations & Recommendations. The vent is also where the air in the steam system leaves. 1301.17.3 Water supply system test. P3104.3 Vent Connection to Drainage System. Puerto Rico and the U.S. Virgin Islands enforce one or more of the I-Codes. The subject of steam trapping is dealt with in detail in the Block 11, ‘Steam Trapping’. We interpret this provision to defer to the equipment manufacturer's installation instructions. See ANSI/ASHRAE/IES Standard 90.1-2010 & 2012 IECC, "Insulation Requirements in Commercial Buildings for Mechanical and Service Hot-Water Piping", ASHRAE Standard 90.1-2010, Section 220.127.116.11 HVAC System Pipe Insulation, lists HVAC piping requirements and as an EXCEPTION, excludes from that requirement ", ICC, International Code Council, 500 New Jersey Avenue, NW Watch out: in our OPINION and as we discuss in these articles, while a trap on a condensate drain line, usually provided quite close to the condensate collection pan itself, can reduce the chances of sewer gases backing up from a condensate drain that has been connected to the building DWV vent piping (not a procedure we recommend), a conventional P-trap in the condensate drain will not protect against all … Thank you for your enquiry, someone will be in touch soon. Must be used where pipe ducts pass through unheated roof voids. Watch out: in our OPINION and as we discuss in these articles, while a trap on a condensate drain line, usually provided quite close to the condensate collection pan itself, can reduce the chances of sewer gases backing up from a condensate drain that has been connected to the building DWV vent piping (not a procedure we recommend), a conventional P-trap in the condensate drain will not protect against all sewer gas backup possibilities. A 80 % furnaces makes no condensate thus the trap becomes a dry trap in the heat season. Apologies for the delay. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. 110mm Condensation trap, for fitting in vertical rigid PVCu pipe ducting. It appears that this condensate drain only drops into that vertical standpipe an inch or two and if there is still a decent opening around it to let air into the standing drain line then you got an air gap between the end of the condensate drain and the P-trap below so it should be okay. 814.3 Point of Discharge. In some areas of the United States, a âgel-likeâ or âslime-likeâ substance may be seen in the base pan. 609.7 Condensate Drain Trap Seal A water supply shall be provided for cleaning, flushing and resealing the condensate trap , and the trap shall discharge through an air gap in accordance with Section 608 . from the 2003, 2006 and 2009 International Residential Code $58.20. Additionally, the inducer motor would suck air through the drain if it weren’t trapped, which could affect combustion, and would prevent proper drainage. - ICC IMC 307.2.5 & IRC M1411.3.3 Drain Line Maintenance code for 2015, original source: http://www.iccsafe.org/, Devices or methods for providing condensate drain cleaning or de-clogging are discussed in this companion article: CONDENSATE DRAIN CLEAN & DE-CLOG, The following HVACR condensate disposal recommendations summary cites, paraphrases, & comments on the widely adopted 2006 ICC model building code section on condensate disposal, section 307 , For the two Types of Condensate: Fuel burning devices vs Evaporators & cooling coils. Storage tanks shall be tested in accordance with the Section 1301.10.11. usually during start-up). Is placing an air handler on top of mason bricks sitting inside the drip tray proper installation procedure? 125mm Condensation trap, for fitting in vertical rigid PVCu pipe ducting. Only 5 left in stock - order soon. This could arguably be considered a wet-vent with this type of application, which is why appropriate fittings would be required. Condensate leak Condensation Drain Trap (Goodman Janitrol) Replaces Part Numbers:B28108-11, CARB281081.. $40.39 Ex Tax: $40.39. Using distilled vinegar or hot water with a mild dish soap, you can flush out the drain. 33822 My "guess" is that the reason those pumps are excluded is an effort to avoid leak and mold damage liability. Steam traps used to drain condensate from steam mains, are shown in Figure 10.3.14. ? Add to Compare. Are there currently any plumbing codes that prevent A/C condensate from being used for toilet flushing? NO CHARGE FOR HUB DRAINS OR CONDENSATE DRAINS Emergency Floor Drain (2" Trap) 0.0 x = GRAND TOTAL OF FIXTURE UNITS Source: Uniform Statewide Building Code as Amended by the City of Virginia Beach January 2007. Here is an excerpt from the Uniform Mechanical Code pertaining to the disposal of air conditioning condensate: Condensate from air washers, air cooling coils, fuel-burning condensing appliances, the overflow from evaporative coolers and similar water supplied equipment or similar air conditioning equipment shall be collected and discharged to an approved plumbing fixture or disposal area. I worry about relying on the condensate pump and flexible tubing as the primary drain source vs. a hard piped system into the homes plumbing. 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. ! Vent and branch vent pipes shall be graded, connected and supported to allow moisture and condensate to drain back to the soil or waste pipe by gravity. International: (202) 370-1800, Website: http://www.iccsafe.org/, Electronic / Digital products including copies of the ICC codes: 888-ICC-SAFE (888-422-7233), ext. Where a product has multi speeds, a typical installation has been used for the below calculations. Catalogue Pages, (Your current electricity cost in pence per hour. nuisance." Drain, waste, and vent piping used for gray water and rainwater nonpotable water systems shall be tested in accordance with the applicable provisions of Section 312. Later on that night, we were eating dinner, when I hear water pouring in one of our bathrooms, I go look, and discover that water is POURING in through the roof. This topic has moved to CONDENSATE DISPOSAL, IMPROPER - live link shown just below.  "GE Zoneline® Owners Manual and Installation Instructions, Heat/Cool Model 2900, Heat Pump Model 3900", General Electric Corporation, [copy on file]. Z-Flex Z-Vent 3" Horizontal Condensation Drain Pipe (2SVEDWCF03) 4.7 out of 5 stars 6. [P] 888-ICC-SAFE (888-422-7233) In the drain line, the condensate and any incondensable gases must flow from the drain outlet of the plant to the steam trap. When we arrived home we immediatly turned the A/C back down (we had set it high since we werent going to be home). Not suitable for use with flexible ducting. While most manufacturers don’t specify this on this gravity ductless drains, it is something to look out for. My warranty company will not cover modification to my condensate drain line because the "items not covered" in my contract list the condensate pump." The condensate trap is absolutely mandatory for a high-efficiency gas furnace. Page 1 of 1 Start over Page 1 of 1 . The secondary drain had a wet switch installed in the outlet port. Fitted with 20mm pipe connection for running off condensate. Quoting. The only thing above the roof that had water was the A/C. $44.95. Carson Dunlop's sketch (left) shows the proper locations for disposal of air conditioner or heat pump condensate. Model codes that I reviewed don't require that line to be insulated. Must be used where pipe ducts pass through unheated roof voids. But, what also I noticed was that the primary condensate drain had been capped off with no outlet. For the primary condensate drain the installer piped 3/4" pvc into a condensate pump, which will discharge into a nearby vanity sink prior to the trap via 3/8" vinyl plastic tubing. Features & Benefits: Length: 85mm Material: grey PVCu. Air Conditioning Condensate Handling defects lead to condensate spillage, leaks, mold. 110mm, 125mm and 150mm Condensation Traps, for fitting in vertical rigid PVCu pipe ducting. Calculate estimated running costs for this product using the tool below. Mr. Kahn is a licensed home inspector in New York and can be reached at Website: CONDENSING BOILER/FURNACE CONDENSATE DRAIN, Al Carson, Carson Dunlop Associates, Toronto, ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, 307.2: "... Condensate shall not The slow dissolving enzyme gel will outperform and outlast conventional tablets and strips. Is this an acceptable form of condensate drainage? B&G … blown into the unit from the outside and settle in Think about it – when have you ever see… I don’t look codes up but for the past 51 years you have never been able to connect a condensate drain to a vent stack unless the trap is a wet trap which means there must be a liquid seal in the trap 365. A condensate tank/feedwater unit is not designed to be pressurized. broad. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Add to Wish List. condensate pumps, and the detection and hazards of air conditioning system condensate leaks in buildings. "The information in this guide is a summary of requirements Please contact your relevant International Distributor for pricing and availability details. Air-conditioning condensate waste pipes shall connect indirectly to the drainage system through an airgap or airbreak to a properly trapped and vented receptors dry wells, leach pits, or the tailpiece of plumbing fixtures. eCodes@iccsafe.org. The waste pipe shall have a slope of not less than 1/8 inch per foot (10.5 mm/m) or one percent slope and shall be of approved corrosion-resistant material not smaller than the outlet size as required in either Section 310.3 or 310.4 below for air-cooling coils or condensing fuel-burning appliances, respectively. Condensate or wastewater shall not drain over a public way. For the secondary drain system he installed a wet switch within the pan below the unit which will turn the unit off upon water detection. We did not find cleaning requirements for condensate drip trays cited in the model building codes surveyed to date. It coats the pan, p-trap and drain piping with a lubricative film to improve flow and prevent future soil adhesion. There's a p-trap. Not suitable for use with flexible ducting. This will be listed on your electric bill), (The average number of hours per day fan to run in Trickle mode), (The average number of hours per day fan to run in Boost mode), Air Replacement Non-Vision Door Grilles with Matching Flanges, Decoration Frame for Centrif Duo & Quadra, Double Air Brick Adaptor Rectangular Duct, External Terminations Louvre Grilles with Spigot, Round 1.5m Ducting length Insulated/Uninsulated, Round 1m Ducting Length Insulated/Uninsulated, Vent-Axia Wins Domestic Ventilation Product of the Year at H&V News Awards, Vent-Axia Welcomes Green Homes Compliance Scheme, Vent-Axia’s ‘COVID-19 Support Campaign’ Shortlisted in HVR Awards, Ventilation a Vital Step to Gyms Reopening in Government COVID-19 Guidance. Condensate or waste water shall not drain over a public way. closet. Length: 85mm My question is: Is it in violation of building or installation codes to not have a condensate drain line? My OPINION is that the pump itself - the container and motor, sold as a unit - is separable from the drain piping or tubing. The IMC states that condensate drains should be trapped according to manufactures specs HOWEVER, wording was added in IMC 307.2.4.1 that states that ductless systems must either have a check valve or a trap in the condensate line. The vent ensures that the tank does not see pressure. Air vents are particularly important when equipment configuration causes air build-up or when the capacity of the air venting function of a steam trap is insufficient (i.e. 1301.17.1 Drainage and vent pipe test. Condensate drain lines are commonly tied to vents and/or drains. Downloads Check it periodically and clean, if necessary." The section of the code that pertains to the maximum trap-arm (also called a “dirty arm”) length has strict provisions designed to prevent a siphon from forming in a drain. Reader Question: 7 Feb 2015 Diane S said:In SC, does the condensation line of an attic HVAC unit need to be insulated? Material: grey PVCu. For simplicity, the maximum distance between a trap and its protecting vent has been presented in the form of a table for decades.  "Whirlpool WGPH45 Packaged Heat Pump, Product Specifications", Whirlpool Corporation, [copy on file]. Must be used where pipe ducts pass through unheated roof voids. Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. discharge into a street, alley or other areas so as to cause a For example: "In some installations, dirt or other debris may be Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. In a properly sized drain line, the plant being drained and the body of the steam trap are virtually at the same pressure and, because of this, condensate does not flash in this line. We discuss air conditioning, heat pump & condensing boiler or furnace condensate drain leaks, locations, causes, repairs. This is usually a T-shaped vent which has a PVC cover. The result is the accumulation of dust, debris, algae or mold in a dip in the drain that leads to clogging and potentially to a backup and leak of condensate out at the air handler.In the photo the white flexible condensate drain tubing is being routed down from above where a split system A/C unit is to be hung on the wall.
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