Zoeller includes this warning in the service checklist for the example manual we cite:Ībrasive material and adverse chemicals could possibly deteriorate impeller and pump housing And harsh or caustic chemicals may also damage the pump. Use of chemical additives and treatments, depending on the chemical, might not harm the pump but shouldn't be necessary. If, for example, your system uses a loose cover that's a very common and correctable source of sewage smells. So I'd start by checking those features of your installation. Vent gases and odors to the atmosphere through vent pipe.Gas-tight seals are required to contain gases and odors.For **example**, referring to Zoeller's Instruction Manual for the company's effluent/sump/de-watering pump (notice this is not a sewage grinder pump), for a wide range of Zoeller pump models (( Zoeller Pump Model 55 / 59, 70, 73, 75, 139 Series, 140 / 4140, 145 / 4145, 160 / 4160 Series, 180 / 4180, 191, 371, 372, 373 Series effluent & de-waatering pumps as well as Zoeller pump models 211, 212 Series, 270 / 4270 Series, 280 / 4280, 290 / 4290 Series sewage pumps (again these are not grinder pumps),)) available from the company's online literature library, you'll read that to control odors the company cites two features: In that case odors shouldn't be coming out of your pump system. I'm guessing the latter since you refer to "black water odor". Pete, you don't indicate which Zoeller pump you have instaalled, nor am I sure (since you use the term "sump pump") if we are discussing a de-watering sump pump installation or a sewage (blackwater) ejector pump. Can I use a chemical like the ones used to keep black water odor under control in travel trailers and motor homes,to keep my sump pit from smelling, w/out damaging the pump.Thanks in advance for you help.Pete Reply: Question: Use of chemical treatments to control odors at a Zoeller sump pit ? A venting system defect, missing check valve, or a leak, for example, may be at fault. Mike, rather than pouring chemicals I'd look for the problem source to find a more long lasting and safer solution. Is there anything I can do to prevent this odor? It does have a large 4" vent that goes straight to the roof and we sealed all the cover plates and holes with silicone sealant but the smell is still strong and leaks into our hallways where customers come through. I know bleach reacts with ammonia creating a toxic gas so I didn't want to put anyone at harm. We have a terrible smell coming from a larger septic grinder pump and I was concerned about what chemicals I can pour down the drain to eliminate the smell. One is for a small break room and the other services two large bathrooms. We have two septic pumps in our building. Question: septic pump grinder pump smell complaints & advice Even if such chemicals give odor relief the effect can only be temporary as they will be ejected when the system is used. OPINION: do not rely on drain cleaners (that can damage the pump) nor on chemical additives or deodorants poured into the grinder pump system.Pour clean water into the sewage grinder pump or ejector pump pit sufficient to pump out sewage water before leaving the system out of use for a month or longer.Check for a clogged vent on the sewage grinder pump (not present on all systems).Check for a loose, damaged, leaky, or lost cover gasket at the sewage grinder pump.Check the grinder pump for a valve failure, causing sewage backup. See that more complete article if you are having trouble tracking down the source of sewage or septic smells at or around a building. The following advice is excerpted from SEPTIC / SEWER ODOR SOURCE TABLE. What to check when troubleshooting odors or smells from a sump pit, effluent pump, or sewage ejector pump system: Sewage grinder pump leaks & odor complaints We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. We discuss sewage grinder pump types, sizes, voltages, horsepower, installation and maintenance. This article series gives installation and maintenance advice for Sump Pumps, Sewage Ejector Pumps, Septic Grinder Pumps, Sewage Pumping Stations, & How to find and fix the source of smells coming from a sump pump it, effluent pump system, or sewage grinder or sewage ejector pump installation. How to diagnose & cure sewer smells at septic or sump pumps. Sewage grinder pump / sewage ejector pump or sump pump odor diagnosis & cure: We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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