Went back to Lowes, got another one, and it did exactly the same thing. Please reply with a couple of photos of your compressor and a closeup of the regulator. Thanks again. Is the unit still under warranty? One more Q the new switch looks to have a inlet for a pressure tube, do i just disregard that since the mini switch is already inline in the tank. One, it will most likely be hard to find anyone in a Lowes store that knows anything about their compressors and the parts you mention can be ordered as after market. Or, acquire any 60-80 gallon vertical, and with minimal mods, you can use it. Im much more concerned with the over-pressurization and would like your thoughts on a cause for it not shutting off correctly. I have an 8-gallon, 1.8 hp, 150 max psi kobalt compressor that is just over 5-years old. As to whether its worth fixing, depends on how much you want to spend, whether you use the compressor a lot so youll miss it if you dont have one, and of course, what is actually wrong with it. Having said all that, for light use, no worries. I had a piston and the fan break on the pump for my Kobalt 0300841. It would depend on how much damage, I expect. I really like this compressor. I have a 60 gal Kobalt air compressor that is spitting a fine mist of oil out of the breather. Do you know where to get a wcdqyl.03.75 pressure switch for a Kobalt model 0320541 5 gal. My first thought was that a belt was misaligned, but this is, I believe, a direct drive compressor. In the drive to make compressors cheaper off-shore manufacturers use cast manifolds for the discharge components, and few companies sell them. While unloading from my pickup the compressor fell on the head assembly cover and I broke and bent a few heat sink fins and broke out the area that the air filter screws into. Does Kobalt make a silencer or after market muffler for this beast? My 26 gallon quiet tech compressor was laid down for transport and now it wont start. We have a 20 gallon, 1.8 hp, 150 max psi, 4.0CFM@90psi. If youve taken things apart and put them back together successfully, and are creative in terms of making gaskets when you may not be able to find an OEM version, then away you go. I have the exact same problem and cant find a replacement knob or regulator. my compressor is about 12 years old and since it got a problem and I did ordered pressure switch, tank check valve, 90 degree elbow brass, felt filter, hose, now should I order gaskets kit to fix it ? Why would it sound like its gonna die on me while trying to fill back up with air? The closest match was a 90* right valve which I will retrofit Hopefully. That tells me the extra volume is useless unless I shut the motor off and use the extra time before pressure is too low to run a tool. So, whats with your manifold? Thanks for the photo. Any fixes?!? If that isnt the issue, and it persists after ensuring that the unloader works, then see this page and check the motor capacitor(s), wont you? It is my experience that pulling a compressor pump apart can damage the pump gaskets. You are not the first person to vent about this problem, and I expect you wont be the last. I am checking as it appears as though the upload button has a glitch. Any change? I only run it at 75lb I never run it any higher than that for what I use it for. Four hundredths isnt a lot but its definitely enough to prevent this thing from threading up. Miguel, remove the covers and make sure that the pressure switch is installed in the tank first. I also didnt know that you couldnt get parts or it was this hard. The knob split from its threaded ring.So I will need a knob, and any parts other than the spring, such as a needle plunger.Any ideas where I can look this up? Otherwise, measure the dimensions of the piston ring, and source it by Googling replacement piston rings and locate one with the same dimensions. Thanks again. I cant tell from your photo, but the larger black line terminating into the tank below the pump line fitting, where does the other end of that line connect, please? Thanks. 208-240 volt. If any can be adapted to fit into your Kobalt, all you need to be sure about is that the specifications are the same. Free is a good price. So, empty tank and the compressor starts and runs, air in the tank, and the compressor will not start, is that right? He then had me cap it and the compressor caught fire. I tried tapping the thread but its already too far gone. So far, Ive been lucky, and havent had that issue. So, I shut it down. Took it out, cleaned it and reinstalled with thread tape and it still leaks! Do you have a Kobalt air compressor? Have a look. Thank you very much Willyr , so do I need to buy both head and cylinder gasket or which one . The compressor build pressure very slow seems like it take 10 mins plus to get to max pressure will not keep up with spray guns or tools. I called the help line and they told me there was no such part replacement. Maybe I can look closer to see if I can pinpoint the burning smell later this week. Have the same air compressor model & looking for a replacement manifold/regulator. Lowes certainly doesnt, and parts for the low cost regulators are almost impossible to find too. Be careful as regulators are not normally meant to operate in reverse. I have also emptied the air out of the tank several times with the same results. There could be a number of reasons, most covered on the pages already on this site. WellI dont have a tool that can get in to the gap between the knob and the ring to tighten it. Good luck. 175 psi. I just realized that this may be an issue that I caused. Good luck with finding that part for that model compressor. So I ran a hose from the Kobalt tank, and reversed the regulator on the Craftsman. Ive had the Kobalt 20gal air compressor (LK20175) for a couple of years now. I agree, I havent taken it apart but I did spray wd-40 and it does seem to run smoother. Are you looking for a compressor pump for this compressor, Jimmie? If you wish to critique Kobalt at the source, you will want to contact Lowes head office, as Kobalt is their house brand air compressor among many other items. If the tank pressure is higher than the 75 PSI youve got the regulator set for, and air is blowing up around the regulator, presumably from the regulator body and not a leak at the fittings or pipe, then I would surmise your regulator needs a new diaphragm. Repeatedly, starting this compressor say, with 40 or 50 psi in the tank. I have had this compressor about 18 months then it started cutting of at 70-80 lbs. To be honest, I absolutely loathe this exact compressor for commercial work. It may be that this is a proprietary manifold, and you may not be able to replace just the regulator, but until we can see whats under the cover, we cannot be sure. Have to toss the whole unit away because I cant replace a simple, small part. Thanks for the comeback. Thank you. Wondering how you have a compressor of this vintage thats only been fired up once? It maxes out at 40 psi and the engine stays on trying to build it up. Then blows a breaker. Odd that a regulator blew apart, as the OEM regulator pressure rating is typically well above the maximum pressure the compressor can generate before the PRV opens to vent overpressure. I suspect that the weird noise is being generated by a gasket leak, and thats occurring because the new check valve works, and is generating some back pressure (normal amount) as a result. If you use your browser and search for compressor tank check valve youll find many. Visit a good plumbing store and youll find lots of brass fittings that you can assemble into any shape to suit the compressor. I discovered it will work plugged into one outlet, but not another. Flywheel for Husky Air Compressor, Replacement Regulator for Husky Compressor, Replacement Check Valve for Husky Air Compressor. Theyll cause a motor overheat unless the cord is of sufficient gauge for the distance. Sorry, I thought you meant ON/OFF switch in your earlier post, not the pressure switch. Keep the old one though as some of the parts on it will be usable as back for the new compressor. You are most welcome. I have a Kobalt Direct Drive Model 103798. I have the exact same compressor and cant find a replacement part for it. Depends on how handy you are. Where can I fin d these parts? Yeah, some fitting adapters will be necessary, then. I have a kolbalt model number 153-0142 and the pressure regulator leaks air. Nothing on the internet. My Kobalt air compressor VPK0880803 recently stopped building up pressure. I can do a jerry rig fix if I have to but would rather fix it properly. Odd that there is a belt, Caleb. I needed a fast fix so i headed over to the Home Depot and bought an inexpensive pressure regulator and a pressure gauge plus a fitting to get them all together. Suddenly l turn it on, and it sounds great until about 70# and then sounds bogged down, making other weird noises. Ive looked at the Makita Mac2400 Electric Air Compressor,2.5 Hp,115v, Size: 4.2 Gal., and it, based on reviews seems like a good unit. It recently started making this loud squealing noise and shutting down when trying to re-fill the tank with pressure still in it. Thanks. Bought a kobalt 26 gal quiet run compressor in April of 2018. The pin was all the way up, and pushing on it did nothing. If its a 120 VAC, and you are not plugging it right into a wall socket, that could even be the issue. I have a Kobalt Air Compressor Model# VLK1582609 1 1/2 HP Motor with 26 gallon Tank and 155 psig max pressure. Google replacement compressor tank drain and acquire a complete one. The reset trips because the motor is getting too hot. Get the cover off, and see where the wire from the ON/OFF switch goes. I have the same compressor as the OP with the same problem. Heres the thing, as long as you can attach the pump to the the tank, and plumb the pressure switch to read the tank pressure, you can use any tank you want. Need a wiring diagram for a kobalt 8 gal compressor. I would appreciate any suggestions. What can be causing this? If its the same hose, and the same coupler out of the compressor, and you are sure that there isnt something blocking the hose or either coupler / connector, then I would suggest that the regulator may have failed shut. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. I need a compressor for this kobalt compressor model # 215921 . Please add a comment with a photo of your pump/motor with the cover off so we can see what you are referring to. Thsnks. The compressor tank. Made for Lowes, the Kobalt line of air compressors is powered by electric motors and come in portable and fixed styles. Im trying to find a Kobalt Air Compressor model# 0332041, replacement regulator.Kobalt part#- WCFATY.04.05.The nomenclature on the compressor is 20 gal, 1.8 HP, 150 max psi.The attachment is the exploded view of the parts page and the part is #30.Ive contacted Kobalt, Sears, Lowes, and 3 online parts links with no success.Thank you in advance for your assistance. Pick any one that has the same port and thread sizes, and replace yours. If you have the old piston seal, measure it in all directions, and browse for replacement piston seals of the same dimenstion. I need help. Where do I find one. Shoot me an email and Ill send you the link. Right from the get-go that thing was LOUD, but it did what I needed it to do. I replaced the tank check valve, which eliminated the super long unload times, but it still wont unload for at least 3 minutes. Let us know please. Get them to replace the regulator or the whole compressor. Now it seems like it takes forever to fill back up, not from 0 psi but from the second that the tank pressure drops low enough for the motor to kick back on about 12-15 minutes to reach 150psi. I found the top of the adjustment knob and a spring on the garage floor, but nothing else.Personally, I have never heard of a regulator blowing apart, (it would seem that this could be an extreme hazard, with the pressure flinging parts about at a pretty good velocity.). Someone just scammed me into buying one but failed to mention all this was wrong. ).The black line in my original picture runs from the tank to a brass elbow adapter on the manifold.I replaced the check valve to make sure that no pressure was leaking back from the tank and overwhelming the unloading feature. Thats one dangerous situation. I have a 20 gallon kobalt air compressor model # 233885 the seal on the piston blew out where can I get a new piston assembly. I cannot find any bolt head with a hole in it like Brandon found in his December 6 comment. I have a 1.8 hp 8gal kobalt. Its only 6 months old. Thanks for the photo, Fred. Brian, if air is leaking from the unloader valve after the compressor stops, where is it coming from? I can send a picture of tank if you need that. I wasnt able to find a photo of the intake valve plate you refer to. With it nearby, Google compressor tank check valves, and acquire one that looks the same as yours. Installing gym floors, these $100 pieces of scrap only last a few days before this happens. I apologize for the lack of details in my first post. It is a replacement for an old horizontal compressor that I had below my workbench. Use of this site is subject to certain Terms Of Use. The manufacturer called me back five days later and said the part was out of stock and would not be in until sometime in December.