Lennox pressure switch problems 25"H2O low-pressure switch and 1. The source of pressure switch problems can sometimes be a pain to track down. Checked and replaced the pressure switch set. Lennox 14T64 - Dual Setting Pressure Switch, 14T64- 14T64 is an official OEM Dual Setting Pressure Switch for Lennox HVAC equipment. 3 out of 5 stars Troubleshooting showed that the air pressure switch was almost certainly the problem. If this helped you, feel free to Venmo some love to https://venmo. The Damaged pressure switch hose. The defrost board shows "pres switch lockout". Clean or replace if necessary. If its anything older or lower tier then they may not have a switch in stock and i know here in Ontario we are having some issues getting parts right now so you may want to be pro active about it. All of the information in this pressure switch replacement video is applicable to the following brands: Lennox Tools needed: 1/4 inch socket Connect With Us! Fit a jumper across the two terminals on the pressure switch *after* the burners igniteif the burners stay on after that, then it is indeed the pressure switch that is opening. During calibration, when the inducer first powers up, the pressure jumps to 0. Mar 26, 2018 · Lennox 104371-01, Pressure Switch, Actuates at 0. Nov 9, 2024 · Lennox 100087-12, High Pressure Switch, Actuates at 590 PSI; Resets at 418 PSI. From Lennox, the part is no longer available and has been superseded. I wanted to expand on our recent gas furnace troublesho Lennox 104549-06, 2-Stage Pressure Switch, Set Point High 0. It's a dual pressure switch, with a high and low setting. Jan 13, 2024 · 6 flashes: Pressure switch cycle lockout If I bypass the pressure switch (after the inducer starts), the furnace runs fine and no indicator lights. Our free Furnace DIY manuals and videos make repairs easy and fast. The inducer’s speed at a given firing rate is a function of the vent system resistance. ; Set Point Low 0. Oct 24, 2024 · If your Lennox furnace won’t fire up, first check the pressure switch, as it’s often the cause. Emptied the condensation pipe and cleaned the buildup Took out the flame sensor and sanded it, it did not have the white residue buildup others complained of Unplugged and reseated the igniter plug Dec 2, 2020 · So, I disconnected the hoses and blew through them and I can hear the clicking noise when blowing through the pressure switch hose, indicating that the switch itself works. I tested the pressure switch and confirmed it switches from open to closed after inducer turns on (multimeter goes from OL to continuity, Ohms go from OL to 1. Nov 17, 2024 · A malfunctioning furnace pressure switch can lead to significant problems, affecting both heating efficiency and safety. High pressure switch labelled to close at . 51 W. PRESSURE SWITCH CON NECTIONS DISCHARGE AIR SENSOR CONNECTIONS DAMPER CONNEC TIONS FUSES SYSTEM OPERATION LEDS REMOTE VACATION SWITCH; CONNECTIONS FOR HZA Figure 1. How To Fix. Nov 21, 2016 · Lennox furnace tripping 228 code - pressure switch calibration and occasional high pressure switch not closing. 🧛♀️ Reactions: user_12345a This 14T64 Pressure Switch is a genuine replacement part for furnaces and is available now from Repair Clinic. Ensure the furnace has power and there is sufficient gas supply. E229 - Ignition on high fire. The original pressure switches have been replaced with a newer design switch. Pressure Switch Problems Before you look anywhere else, you should begin with the pressure switch itself. 65" W. 2 and voltage goes from 0 volts to 26 Feb 4, 2024 · I'm a homeowner and we have a LENNOX ML196UH090XE48C-51 furnace that out local company installed in October 2021. Reply reply Oct 25, 2014 · With that said, if it was a drainage issue, I would think you would be receiving codes that the pressure switch would not close. Jan 1, 2018 · Gas and Oil Home Heating Furnaces - Lennox pressure swith problem - Hello all, I am a new member. NOTE − When unit is initially started, steps 1 through 11 Dec 23, 2022 · Lennox. If it is then pressure switch is the issue. Please advise Contractor's Assistant: I'm sorry to hear that you're experiencing an alarm code 271 on your Lennox furnace. Code 3: Pressure Switch Fault. Resumes normal operation after fault is cleared. The flue pipe and the drain line. According to the blinks of 10. E225 High-pressure switch failed open Oct 27, 2013 · The two pressure switches are used to calibrate the inducer (every installation is different due to flue design, length, etc), and to provide a safety for equipment failure, blocked flue pipes, etc. There are two hoses to this particular switch, red and black. 85 W. This goes on for sometime and heat stage 2 is activated and keeps failing) At that time, furnace goes into soft lockdown. See figure 2. -Blew through all condensate lines and trap. Just had it installed in August this year. DeltaTech. I blew out the hoses, the problem did not go away. The heat pump uses an aluminum coil, and it's only 1 years old so I doubt it's because of corrision and a leakage in refrigrant. We see E227, E229 and E271 for sometime. You can also view EL195UH090XE48C-3 parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Furnace model. Updating Price Add To Cart. This electronic sensor's probe is Nov 12, 2024 · Code 101: Pressure Switch Open. It often arises due to: Blocked or obstructed vents; A malfunctioning inducer motor; A faulty pressure switch; To troubleshoot, check for any blockages in the vent system. Dec 2, 2024 · If this code persists, consult a technician, as it can point to more serious problems. Get your furnace back up and running with DIY instructions and OEM replacement parts. Simmons. A bad pressure switch disrupts the furnace’s ability to maintain steady heating. When the switch closes, you’ll read 0 volts. To test a pressure switch, locate it near the draft inducer motor. You need to properly diagnose the Lennox G51MP to solve your furnace problems. Need Assistance Lennox Furnace Pressure Switches Problem? Many furnace problems require the expertise of an experienced professional for troubleshooting. Disconnect the hoses and check for blockages. Cat # : 10U40 Model/Part # : 103884-01 Nov 24, 2021 · I don't know if it's always been happening but my problem is in the start up sequence when we turn up the thermostat by 4C in the morning. Remember, the pressure switch doesn’t close until the inducer motor comes on and provides the necessary suction for the pressure switch to close. Either you have a condensate drainage problem or the pressure switch is the problem - needs manometer and multi-meter to diagnose if there is nothing simple/obvious. I have read that these units have common pressure switch issues. Sep 10, 2024 · Pressure Switch Testing. Lennox had several furnaces go out with a redesigned pressure switch. I called a Tech. In this article, we look at what the pressure switch does, the parts it works alongside and what to do when it is open and not operating correctly. HEATING SYSTEM Lennox Duralok Plus™ Heat Exchanger Assembly Lennox developed heat exchanger assembly consists Lennox 102312-03, Low Ambient Pressure Switch, Actuates at 450 PSI; Resets at 240 PSI. If the pressure switch wasn't closed under that pressure, the pressure switch is faulty. Find the right Lennox Furnace Model SLP98UH090XV48C-7 replacement parts for your repair. Impact on Heating Efficiency. Dec 5, 2021 · dirkbmx, thanks for the post. During the entire trial (5 times) my voltage remained at 28V without budging. It worked like a charm. If its an slp98 / 99 then any lennox dealer will have pressure switches on hand for an easy fix. I recommend that you DO NOT change the pressure switch. Thread Tools. 90 104371-09 / 11U72. Dec 13, 2019 · Lennox SL 280 low pressure switch error E229 E223 E227Common problem in Lennox HVAC units. After I took grills off the unit I found out that the condenser coil was very Mar 2, 2023 · I have a Lennox heat pump (ml14xp1) that's been tripping the low pressure lockout for a while now. Put the dip switch back to default, and the furnace is currently working only in single stage. Jan 7, 2022 · One tech is out with COVID this week so he sat at home and waited 5hrs on hold with Lennox Tech Support. A HVAC technician spent about 2 hours to diagnose the issue. Oct 21, 2023 · In order to optimize the lifespan of your home’s furnace and prevent toxic gas build-up, repairing the furnace pressure switch is an essential key when things go awry. Switch off the power to the unit by turning off the corresponding breaker. Sale E271 - Soft lock-out - Exceeded maximum number of retries. Jul 21, 2013 · My Lennox compressor (11yrs old) stops running every few weeks in summer. c This furnace comes with 3 different pressure switches, based on your altitude. If either of the switches doesn't make, the system will allow ignition and flame, but then flame Find the right Lennox Furnace Model EL195UH090XE48C-3 replacement parts for your repair. Furnace is producing condensate and draining freely. If the burners still go off, then it is not actually a pressure switch problem. Two years ago i had a pressure switch problem and again last week the same problem. You can also view ML193UH090XP36C-57 parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Furnace Trouble shooting Lennox furnace when red light off green slow flashes one of the reasons is stuck pressure switch close prior to inducer activated this video Sep 16, 2023 · Resetting the Lennox AC Through the High-Pressure Switch (Lennox 13acx, EL17XC1, EL16XC1, XC13, 16ACX, ML18XC2, 16ACX, ML14XC1) Some Lennox models have a high-pressure switch that allows for a manual reset. View Profile View Forum Posts A gas furnace pressure switch problem could be caused by the following: Your vent could be stopped up with a bird’s nest, wasp nest or debris. WINTER15. Tools Required Lennox 49L9101, Pressure Switch, Actuates at 0. Code 101 indicates that the pressure switch is open, signaling an airflow issue. The Furnace Isn’t Getting Gas. 90 for Lennox HVAC equipment. Ensure the inducer motor is functioning properly. Are you saying this pressure switch closes at 0. Feb 12, 2021 · Repairing my Lennox furnace with an E225 code. This switch monitors air pressure in the venting system. E227 - Low pressure switch opened during trial for ignition or run mode. 11 − Set the thermostat to desired setting. I had the same code last winter with my two stage Lennox pressure switch. I was wondering what other possible causes can a low pressure switch be turned on for? Oct 2, 2013 · Lennox 11U64 - Pressure Switch . You can easily restart your unit through these steps. The red is the main pressure switch hose, measuring -2. It is rarely the problem and it is all too easy to get a pressure switch that will close at the wrong pressure, which can easily cause dangerous conditions in the furnace. inducer and ignitor start, flame goes to H1, fan starts at 450cfm, inducer speeds up, flame goes to H2, fan starts ramping up but at around 750 the limit switch shuts everything but the fan down. When bypassing the switch and turning the heat pump in the heat mode, the pressure measured about 600. Lennox 104371-01, Pressure Switch, Actuates at 0. About a month ago I had to clean the flame sensor as I was getting the watchgaurd LED signal, status LEDs slow alternate flash. Shipped factory assembled with all controls installed and wired. Nov 21, 2024 · Pressure switch problem (the switch that ensures proper airflow) 2: Flame sensor issue (the sensor that detects the presence of a flame) 3: Limit switch tripped (a safety switch that shuts off the furnace if it gets too hot) 4: Ignition failure (the furnace is unable to ignite the gas) 5 Jan 27, 2022 · Lennox furnaces starting and shutting down or not working may be due to a failing gas valve or unresponsive pressure switch. The compressor has a pressure relief device inside of it to protect the compressor from high-pressure abuse. Code 202 displays a pressure switch fault. 65 W. C. Apr 10, 2022 · Thanks for the quick response! I just checked the install manual and Lennox says that a 70K furnace with 2 inch pipe and 6 bends should work. Feb 13, 2017 · I ended up buying a pressure switch from a local lennox parts supplier and replaced it myself. Using a multimeter, test the pressure switch’s continuity. There was a problem filtering reviews right now. The 103613-03 is for 0-4500'. Jan 12, 2024 · Hello I did a call earlier this week on a Lennox EL296 series furnace with heat pump. 2. Turning off the unit at the AH breakers for a few minutes solves the problem for a week or so. Pressure switch seems to be weak point of the lennox furnace it can be replaced with honneywell part to solve the issue long term. Many times the tube is plugged up with water. Jan 14, 2015 · Wow, inducer assembly and pressure switch - that's one pricey experiment. My furnace is about 10 years old and has mostly worked the last few years without problem. DO NOT LEAVE THE JUMPER IN PLACE THAT IS A KEY SAFETY ITEM AND THIS IS ONLY A BRIEF 2 Dec 15, 2017 · The furnace has a 0. Show Printable Version; 11-14-2015, 04:35 PM #1. 75-0. Service was out first thing Monday morning--the technician stated that the problem was High Pressure Lockout. Look for obstructions in vents, inspect the inducer motor, and examine pressure tubing. Feb 27, 2009 · Fireplaces, Wood Burning and Heating Stoves, Flues and Chimneys - Lennox Furnace pressure switch - I have a Lennox G51MP furnace and have problem that is driving me crazy. The LED lights indicate that the high-pressure switch is preventing the heat pump from turning on. The most co Jan 9, 2020 · The first step is to find a replacement pressure switch. It is possible that the switch itself is defective and cutting off at too low a pressure. The first step is to check hose for obstruction. You can also view SLP98UH090XV48C-7 parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Furnace model. "Cut it twice and it is still too short". Outside temperature here in KC was around 100. For a while I used to go to furnace room whenever the heating stopped, turn off the system and remove one of the pipes of the switch and blow into it, and also blow into the drain pipe to remove any backlog. Its a heatpump but gives no problem in winter. Free shipping on orders over $99 Your Zip: 23917 Furnace: Lennox EL296UH090XV48C - 06 Installed: August 2015. Oct 16, 2021 · 1. when you look at furnace, you might hear inducer motor cut on for a couple of seconds and stop. Use a manometer to measure the pressure Oct 21, 2022 · The pressure switch hose connects the pressure switch to the exhaust vent in your furnace. He was quick to recommend replacing the pressure switch, but we already replaced it and bypassed it during tests. Jan 22, 2024 · The solution to the problem was simply to replace the pressure switch. The hose is needed so the pressure switch can detect the pressure in the exhaust vent. The 228 code is a pressure switch calibration code. GAS VALVE SHOWN IN ON POSITION MANIFOLD PRESSURE ADJUSTMENT SCREW MANIFOLD PRESSURE OUTLET FIGURE 2 9 − Replace the upper access panel. When the pressure exceeds or falls below the set limits, the pressure switch sends a signal to the control board to either start or stop the system. Learn how to recognize and fix these problems. High pressure switch not closing after inducer fires off. D. This 14A45 Pressure Switch is a genuine replacement part for furnaces and is available now from Repair Clinic. Please try again later. Jan 14, 2024 · Not normal. Hey HVAC technicians! Today we’re going to talk about How to Diagnose a Bad Furnace Pressure Switch. Often times due to wear and tear a pressure switch hose develops a hole in it. Apr 30, 2024 · Furnace not heating: Low thermostat settings, a failed igniter, or a dirty or faulty pressure switch can prevent the furnace from producing heat . 65 with my manometer. Lennox 101599-04, 2-Stage Pressure Switch, Set Point High 1. Replacing the damaged hose with a new hose should resolve the issue. Lennox add-on indoor coils, high-efficiency air cleaners and humidifiers can easily be added to furnace. Attached 2 pictures from that area of the furnace Apr 1, 2024 · Read: Lennox Furnace Problems. Understanding these consequences can help you take the necessary steps to maintain your system. Hi, sorry didn’t reply to this earlier. 10 − Turn on all electrical power to to the unit. 5 IWC? If so, since you were reading 0. Check condensate lines and trap for blockages and make sure ice isn't building up at exhaust termination reducing flow. If you are seeing 3 flashes from the control board indicating a pressure switch issue, it means there is a problem in that control circuit. That indicates that the pressure switch is, in fact, closing, and that the pressure switch is not the problem. I have a Lennox g61mp-36b-071rev09 furnace purchased in 2010. Cat #: 68W11 Model/Part #: 102312-03. Was on hold with technical support for over an hour and gave up. Contractor's Assistant: Do you know the model of your LENNOX heater? How old is it? Customer: it is model #ML-193UHE. 61 W. Jun 28, 2002 · Troubleshooting high pressure problems (in cooling). You can cut the intake pipe off by the furnace (not the exhaust) and blow from outside with a shop vac (if it has a blower feature) and see if you get good flow. -Cut exhaust and fresh air intake off. This electronic sensor's probe is PRESSURE SWITCH CON NECTIONS DISCHARGE AIR SENSOR CONNECTIONS DAMPER CONNEC TIONS FUSES SYSTEM OPERATION LEDS REMOTE VACATION SWITCH; CONNECTIONS FOR HZA Figure 1. Last retry failed due to pressure switch opening. for my unit, di Nov 14, 2015 · Thread: Lennox G51MP Pressure switch problem. . Checked draft and ensured vent was clear. Depending on your model is what i would recommend. When the pressure switch is open, your meter will read 24 volts. Inducer revs up to speed immediately and there is no sloshing water noise. Low pressure switch labelled to close at at . Furnace won't stay on: A defective control board, pressure switch, or flame sensor may cause the furnace to shut off shortly after starting . That model has known issues with pressure switches but have a tech come, he should check if the pressure switch is getting the correct pressures during startup. Pressure switch failure is much less common. 90, 11U72- 11U72 is an official OEM Pressure Switch . Sep 13, 2024 · Troubleshooting Lennox furnace pressure switch issues, such as clogged pressure switch hoses, and improper installation. ; Resets at 0. This indicates the pressure switch can’t detect the correct airflow. Consider these steps: Ensure the venting system is clear of obstructions, such as debris or snow. However, these parts can malfunction from time to time, causing your switch to become stuck. The black hose goes to a port in the collector plate right above the red hose, and is marked with a (+). 8 IWC, that proves there's acceptable draft and the inducer assembly didn't need replacing. Each unit factory test operated to ensure proper operation. Sep 21, 2009 · Gas and Oil Home Heating Furnaces - Lennox 80UHG Pressure Switch Problem? - Hi, I think I know what my problem is but I just wanted to get a second opinion. 5"WC consistently. Check operation of the low-pressure switch to see if it is stuck closed on heat call longer than 150 seconds. Yeah it's worth it. However, I felt the blower started running differently after he left. I am hoping this does not cause the same problem as the older one. Both times the problem was resolved by disconnecting the hose from the Jan 11, 2014 · Lennox M# G43UF-36B-070-09 Pressure switch keeps dropping out. (I know its a digital Fluke, but it didn't move) Sep 21, 2009 · Gas and Oil Home Heating Furnaces - Lennox 80UHG Pressure Switch Problem? - Hi, I think I know what my problem is but I just wanted to get a second opinion. Lennox Pressure Switches and Carrier Pressure Switches are two popular furnace pressure switch brands, but it is best to purchase based on your furnace model number. 40"H2O. Harmony III zoning system Zone Control Panel Discharge Air Sensor (DAS) A discharge air temperature sensor (88K38) monitors the supply air. The most common reasons for replacing this switch are if the furnace does not heat or only runs for a few minutes. Shop now and get same-day shipping on this 14A45 Pressure Switch. Furnace starts then stops? This video provides step-by-step instructions for replacing the pressure switch (or vacuum switch) on Lennox furnaces. The pressure switch comprises many parts that work together to keep your home safe throughout. Measure operating pressure. Inside fan was blowing, but outside compressor was silent. Mar 3, 2009 · Gas and Oil Home Heating Furnaces - Lennox G40 pressure switch problem? - I have a 6yr old Lennox G40 (UH36A-070 to be exact). Oct 23, 2021 · Furnace issue: heat will not cut on and blow. The maximum length they recommend is 58 feet with a concentric termination and ours is only 30. High Pressure switch failed open. There is a manual reset roll-out switch in Lennox g51mp. Zaphod Beeblebrox. 45, and I read . 90 and I read 1. Nov 4, 2018 · In This HVAC Video, I go over How the Gas Furnace PRESSURE SWITCH Works, How to Tell if There Is a Problem, and What Are The TOP 10 Pressure Switch Problems Find the right Lennox Furnace Model ML193UH090XP36C-57 replacement parts for your repair. Aug 18, 2023 · For example, the indicator light on an older furnace may indicate a problem such as: Pressure switch problem; Pressure switch error; To check if your pressure switch is stuck closed when it shouldn’t be, disconnect one of the wires from the pressure switch. Jul 7, 2024 · But anyway, I've seen a couple of YouTube videos showing a simple method for draining the lines by first disconnecting tubing from the pressure switch (which I can see in the lower-center area inside the front cover) and then using a Shop Vac to gently/partially suck water from the end of the drain tubing (3/4" pvc into the floor drain in my Customer: troubleshoot lennox. If you’re on city natural gas, there are a couple of ways to check: Feb 22, 2023 · If it gets partly plugged then the inducer fan sucks harder and you can get nuisance pressure switch tripping problems. If your Lennox furnace is still not igniting, the next thing to check is the gas supply. It says in many online videos that the pressure switch shutting down is the sign that another problem exists in the furnace. Then the inducer speeds up and the pressure goes to about 1. Customer: We have a Lennox furnace and we just received an alarm code 271, gf low press switch open. You could have a bad, dragging, dirty or slow running draft inducer. Free shipping on orders over $99 Your Zip: 23917 Oct 25, 2023 · A pressure switch is a vital component of your HVAC system that monitors the pressure levels in the system and ensures its safe and efficient operation. Jan 7, 2017 · My company is a Lennox dealer, I haven't heard of any recalls on equipment nor have I really seen an abnormal number of pressure switch failures but I will definitely keep an eye out. Apparently these are "Costa Rica" switches that tend to fail often, and can be replaced with a model 14T64; the part sells on eBay for ~$50 and is a very easy replacement. Feb 12, 2011 · Need a very accurate low pressure manometer and special fittings on the pressure switch to see if there is enough draft and probably an experienced Lennox tech to test that. The unit has redundant 2-tube pressure switches. SOME of these have had intermittent problems in a few cases. The required suction is listed on the pressure switch. May 23, 2023 · E224 Low-pressure switch failed closed. -Blew out all hoses. -Pulled out inducer motor and collector box and checked for obstructions- NONE Lennox 11U72 - Pressure Switch . pressure switch stuck closed ,low pressure switch open, not sure of the model top of the line 5-6 years old, - Answered by a verified HVAC Technician Furnace pressure switch troubleshooting. Sep 25, 2014 · GEN-LENNOX AIR Pressure Switch . Reply 01-07-2017, 02:26 PM #4 Lennox 103884-01, High Pressure Switch, Actuates at 640 PSI; Resets at 475 PSI. If not then it may be another issue related to venting the exhaust. 12 with my manometer. Nov 18, 2012 · On February 4, 2016 my high efficiency Lennox 3 year old furnace stopped heating my house, and the thermostat displayed Error Code 224 , which is Pressure Switch. Apr 10, 2008 · Sunday my 3-month old Lennox XP-16 quit working. Check the pressure line connecting the switch with the draft inducer motor chamber. Which is why I made this video that go Find Lennox Furnace Pressure Switch Repair parts using our appliance model lookup system with diagrams. 37"H2O. Jan 8, 2014 · Yes the pressures switches have been redesigned but the control boards have had changes made also. Shop now and get same-day shipping on this 14T64 Pressure Switch. He blew out the hoses as well, and told me there was a small obstruction. 22"H2O high-pressure switch. 4. Filter results by part category, part title and lawn mower symptoms. Pressure switch testing is crucial for ensuring proper furnace operation. 25 W. At this point, the low-pressure switch is already closed and the high-pressure switch is open. 8 − Move switch on gas valve to ON. Inspect vent and combustion air inducer for correct operation and restriction. 6 out of 5 stars There was a problem filtering reviews right now. This is NOT likely. Needless to say, if you don’t have a proper fuel supply, your furnace will not ignite. The tube that runs from your pressure switch to the draft inducer could be plugged up. If the hose is damaged, cracked, or disconnected, then the pressure switch will stay open and your furnace won’t heat up. Heat pump was not keeping up and gas side kept shutting off with E223, E225, E227 codes. Nov 14, 2007 · D: Pressure switch opened 5 times in one heating cycle Just by doing some research I have done the following. 65 (Elev 0-4,500FT) 4. The problem did not reoccur. Overall, the codes mean that low pressure switch failed to close (hence inducer stopped and furnace stopped. Typically, this alarm code indicates that the GF (gas furnace) low-pressure switch is open. Since October this year, we've been having limit switch problems. The filter is new. Furnace Pressure Switch Not Closing Oct 3, 2020 · When I switch the thermostat back to cool, the heat pump works fine. 22 W. Here is a quick breakdown of the steps involved in replacing a gas furnace pressure switch once you have sourced your new part. Take a look at things that can affect the pressure switch performance. You can avoid expensive repairs by troubleshooting Lennox G51MP pressure switch problems before calling a professional. Cat #: 93W01 Model/Part #: 100087-12. Oct 29, 2023 · In this video I am replacing a failed high pressure switch/sensor on Lennox AC. Watchguard-pressure switch opened 5 times during one heat cycle. 50 W. kkwkj kscn cypot eudq cokphw spz incgtp kxpeknl hmzrf pervj