2024 Lennox code 31

31L1301 VALVE, GAS LP. Cat # : 31L13. Model/Part # : 31L1301. Sign in for pricing and availability. This product is used in several different models. Print. Quantity: Add to Cart. Save to List.. Caltrans i80 conditions

The 24VAC iComfort Wi‐Fi® thermostat is an electronic communicating, color display touchscreen and 7-day programmable thermostat. It stores system parameters and settings in non-volatile memory (i.e., it retains data when electrical power fails or is turned off).I have a 90% efficient Lennox furnace, pictured below. Last night the heat stopped working. It actually had stopped working maybe a couple days ago too, but it fixed itself after a few minutes--I should've investigated then. Anyway, here's the current behavior: Thermostat calls for heat. LED indicator displays H (heat) and "A475" (the cfm).From https://www.justanswer.com/ythiJustAnswer Customer: Hi there,Pearl Wilson: Assistant: Hello.Pearl Wilson: Assistant: How can I help?JustAnswer Customer:...Lennox XP21 Series Pdf User Manuals. View online or download Lennox XP21 Series Installation And Service Procedure, Installation Instructions Manual ... 31. Heat Pump Control (A175) Jumpers and Terminals. 31. System Status, Fault and Lockout LED Codes. 33. ... Fault and Lockout LED Codes. 14. Component Field Configuration and Troubleshooting ...Got a Lennox system with an S30 thermostat for the master and 3 iharmony stats for the other 3 zones. For the past week or so, the zones disappear, leaving me with just “Upstairs” as a single controllable zone. What I’ve noticed is that if I instruct Alexa to change the temperature in one of the zones it works just fine, and all 4 zones ...I had a new G71 installed last week and in the site glass I see I think 2 different codes flashing thru the window... A959 and then C2.. Tried to find a way to look them up in the owners manual and then on the net but have yet to find out what these 2 mean. Any help would be great. Thanks --:confused: Seeing error code 31 on your thermostat means it hasn’t been able to communicate with your furnace for more than three minutes. Multiple components communicate with the thermostat, so you can find this error code when any of them malfunction or fail. The Lennox Code of Business Conduct outlines expectations for Lennox employees, officers, and members of the Board of Directors in accordance with our values, policies, and both the letter and spirit of applicable laws. The Code of Business Conduct provides resources for reporting concerns and seeking guidance. Our recently updated Code:On: November 13, 2023. Lennox furnaces have built-in safety features and the ability to communicate error codes. You should learn and prepare yourself for a list of expected …The 24VAC iComfort Wi‐Fi® thermostat is an electronic communicating, color display touchscreen and 7-day programmable thermostat. It stores system parameters and settings in non-volatile memory (i.e., it retains data when electrical power fails or is turned off).To address Lennox Alert Code 11, follow these steps: 1. Cycle System Power. The first step in clearing Alert Code 11 is to cycle the power of your Lennox HVAC system. This can be done by turning off the system completely, waiting for a short period (usually about a minute), and then turning it back on.I have a LENNOX furnace model #C23-31-1, serial number G23023-75-2. covering both heat and air-conditioning. It was controlled by a LUX PSP511a programmable Thermostat. ... It's flashing code 31. I noticed the filter was quite dirty, so I changed that. The blower will run for 90 seconds, or I can force it on via the thermostat, ...Lennox Elite C33, C33-31B-2, 2.5 Ton, Piston (R410A), Uncased Copper Upflow Evaporator Coil. Cat # : 85M11. Model/Part # : C33-31B-2. ... Find by City or Zip/Postal Code Find Available for Pickup Today. Out of Stock at Your Nearby Stores. Please check other cities' zip/postal codes for same-day availability. ...When you need Expert furnace repair, you can rely on our highly trained technicians at Service Experts Heating, Air Conditioning & Plumbing. We'll repair your furnace and quickly get your heat running again. Call us at or schedule an appointment online today. Save $50 on a Paid Service. Written 100% Satisfaction Guarantee.ICD Code G40.81 is a non-billable code. To code a diagnosis of this type, you must use one of the four child codes of G40.81 that describes the diagnosis 'lennox-gastaut syndrome' in more detail. G40.81 Lennox-Gastaut syndrome. G40.811 Lennox-Gastaut syndrome, not intractable, with status epilepticus.This article is for you if you're having issues with your Lennox furnace and have noticed an error code 312. Error code 312 indicates a communication issueThe XC25 offers industry-leading efficiencies of up to 26 SEER, which can help to save you hundreds of dollars in utility costs every year. The XC25 has also been designated as one of the Most Efficient ENERGY STAR-Certified products in 2017. Green and energy conserving, products that are recognized as the Most Efficient of ENERGY STAR in 2017 ...2:31 amSystem heat−to cool−to 80inside 57% heat/cool away 0 Ⓒ Ⓑ Ⓐ Ⓓ Ⓔ Ⓕ 75 modes /schedules 78 tue | Mar 31, 2015 Figure 1. Temperature Dial Feature A. This is the maximum heat position indicator on the dial. This object will be red/ white in color. Selecting this object will bring up the temperature adjustment dial for the heat ...Seeing error code 31 on your thermostat means it hasn’t been able to communicate with your furnace for more than three minutes. Several components communicate with the …Heating vs. Cooling: What Costs More . Have you noticed how your energy bills soar whether you're trying to keep cool in the blazing summer heat or warm during winter's icy grip?Order food online at 31 Lennox, Dublin with Tripadvisor: See 509 unbiased reviews of 31 Lennox, ranked #4 on Tripadvisor among 2,808 restaurants in Dublin.Solving your Lennox iComfort thermostat error codes can be tricky. Here's what may be causing the error code and how to resolve it.Do not touch any electrical switch; do not use any phone in your building. Leave the building immediately. Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. If you cannot reach your gas supplier, call the fire department. 07/10 506443−01.31L1301 VALVE, GAS LP. Cat # : 31L13. Model/Part # : 31L1301. Sign in for pricing and availability. This product is used in several different models. Print. Quantity: Add to Cart. Save to List.Oct 4, 2021 · That’s why we’ve put together this helpful guide on the five most common codes, which include: 312—reduced airflow affecting indoor blower speed. 201—furnace can’t communicate with indoor blower motor. 292—indoor blower motor won’t start. 207—hot surface igniter is open. You might be able to resolve some of these errors on your own. Hello, I have been trying to get my furnace (Lennox g61mpv-36b-071-08) fixed for days. I have had 2 technicians look at it and decided to tackle it myself.The standard 80% AFUE means the SL280NV can reduce your heating costs, compared to an older furnace. We have higher standards. Others think so, too. Year after year, leading institutions choose to award Lennox for its innovative initiatives in the heating and cooling industry which helps homeowners define what perfect air means to them.Resolving Error Code 31. Seeing error code 31 on your thermostat means it hasn’t been able to communicate with your furnace for more than three minutes. Multiple components communicate with the thermostat, so you may find this error code when any of them malfunction or fail.Lennox Merit ML196E, ML196UH045XE24B, 96% AFUE, 44000 BTU, 2 Ton, 1 Stage Heat, Constant Torque Upflow/Horizontal Gas Furnace. Cat # : 19A31. ... Find by City or Zip/Postal Code Find Available for Pickup Today. Out of Stock at Your Nearby Stores. Please check other cities' zip/postal codes for same-day availability. ...Code equipment is not stuck ON. • Check accuracy of the thermostat temperature sensor. • Select heating system mode to heat the indoor space to above 40ºF. 31 Critical •Thermostat The thermostat has lost communication with a system component for more than three minutes. • The applicable system component (indoor, equipment interface orhow. 1796 posts · Joined 2011. #2 · Feb 19, 2013. 31 = pressure switch. Checking for a debris build up inside the ID assy port that the hose from the PS is attached to, is a more common DIY fix. Make sure nothing is blocking your vent exhaust or intake. Beyond that it can be 30 or more other possibilities.I have a Lennox G61MPV that was serviced a couple months ago. Has been working great until this morning. No heat in the house! Diagnostic code was flashing 4+3. I then removed bottom panel and put it … read moreHope that I was helpful, courteous and kind. If you had another question, feel free to ask it now and ill do my best to reply asap Otherwise, All I ask is that you take just a few seconds and remember to rate the question positively with the stars on the top left. There should be an option that says something along the lines of "Rate your expert" Hopefully I earned 5 stars today =).Offering industry-leading efficiencies of up to 26.00 SEER, Lennox air conditioners can help you save hundreds of dollars every year in utility costs. And since some of the units are ENERGY STAR ® certified, they may even qualify you for federal energy tax credits and local utility rebates. In addition, a number of Lennox air conditioners work ...636-456-5041. 24/7 emergency support. REQUEST SERVICESolving Error Code 411. Error code 411 is an urgent priority to resolve. You’ll see this error …The EL17XP1 is compatible with the E30 Smart Thermostat, giving you easier access, control, and comfort. With efficiencies of up to 17.00 SEER and 9.60 HSPF, equivalent to 16.20 SEER2 and 8.20 HSPF2, the heat pump delivers significant energy savings.Here's how a furnace ignitor works: Thermostat begins call for heat. Furnace ignitor and blower become triggered. Ignitor heats to as hot as 2,500 degrees Fahrenheit and ignites burner gas. A furnace ignitor should last roughly three to five years before it breaks and must be changed out. It can stop working sooner if you don't replace your ...2:31 amSystem heat−to cool−to 80inside 57% heat/cool away 0 Ⓒ Ⓑ Ⓐ Ⓓ Ⓔ Ⓕ 75 modes /schedules 78 tue | Mar 31, 2015 Figure 1. Temperature Dial Feature A. This is the maximum heat position indicator on the dial. This object will be red/ white in color. Selecting this object will bring up the temperature adjustment dial for the heat ...Flame Sensor. Cat # : 19D31. Model/Part # : 105856-01. Sign in for pricing and availability. This product is used in several different models. Print. Quantity: Add to Cart. Save to List.Lennox Elite EL280E, EL280UH110E60C, 80% AFUE, 110000 BTU, 5 Ton, 2 Stage Heat, Constant Torque Upflow/Horizontal Gas Furnace. Cat # : 17D31. ... Find by City or Zip/Postal Code Find Available for Pickup Today. Out of Stock at Your Nearby Stores. Please check other cities’ zip/postal codes for same-day availability. ...Current Promotions. WHITE-RODGERS CLEARANCE SALE. & Nest Thermostats. Available while supplies last. See Details. SPRING SPIF PROMOTION. Receive individual bonuses. up to $200! See Details.©2018 Lennox Industries Inc. Dallas, Texas, USA VRF. 2 Shipping and Packing List Package 1 of 1 contains; 1 - Wired Controller 2 - Plastic spacers ... ing and electrical codes and ordinances. This is a 12 VDC controller. Do not in-stall on voltages higher than 12 VDC. Do not operate controller with wetSolving Error Code 411. Error code 411 is an urgent priority to resolve. You’ll see this error …Lennox CB29M-31-1P - Lennox Air Handler CB29M-31-1P- Lennox Air Handler CB29M-31-1P. We only ship within the United States. Your Zip: Enter a US zip code. HELP. MENU. CONTACT & SUPPORT. Live Chat: Online Now. SIGN IN. 0. CART.I have a Lennox Icomfort and getting a code 31, a month, dont know the problem so I have no idea, nope - Answered by a verified HVAC Technician. We use cookies to give you the best possible experience on our website. ... I am getting a system alert Code 31 on IComfort S30. I've seen this a few times over a couple of months.The furnace's control panel will have a power switch on its side, which looks like a wall light switch. Make sure to turn off the circuit breaker switch corresponding to the furnace. 2. Remove the front panel of the furnace. Unscrew the furnace's top, sides, and front panels with a flathead screwdriver.I have a Lennox G61MPV that was serviced a couple months ago. Has been working great until this morning. No heat in the house! Diagnostic code was flashing 4+3. I then removed bottom panel and put it … read more2:31 am heat−to cool−to 80inside 57% heat/cool away 0 Ⓒ Ⓑ Ⓐ Ⓓ Ⓔ Ⓕ 75 modes /schedules 78 tue | Mar 31, 2015 living room Figure 1. Temperature Dial Feature A.This is the maximum heat position indicator on the dial. This object will be red/white in color. Selecting this object will bring up temperature adjustment dial for the heat ...Understanding error codes 411, 225 and 31 on your Lennox iComfort thermostat can be tricky. Learn what's causing the error code and what you can do.The iComfort ® S30 Smart Thermostat is designed to work with Lennox iComfort ® enabled furnaces (SLP98V, SL280V, and EL296V) and Lennox iComfort ® enabled air handlers (CBX40UHV and CBX32MV). While the iComfort ® S30 is designed for use with Lennox iComfort ® enabled equipment, the iComfort ® S30 can be used with the Equipment Interface ...Our Italian-inspired menus. Breakfast. Monday to Friday, from 9 am to 11.30 am. LUNCH. Monday to Friday, from 11.30 am to 3 pm. . BRUNCH. Saturday, Sunday and bank holidays, from 9 am to 3 pm. Dinner. Everyday from 3 pm to 6 pm.The home owner ordered a new pressure switch and put it on still getting the same code. I checked all of the pressure tubes etc and vent..everything seems clear and clean. I finally called Lennox tech support..after being on hold for 1.5 hours they went through a few things with me and told me theCH23 Indoor Coils CH23-21. Minimal air resistance for better performance. 1.5 to 5-ton capacities. Cased. Horizontal configuration. Large-face area coil allows for high efficiency operation. Copper-rifled tubing and enhanced aluminum fins improve transfer. Long lasting, painted galvanized cabinet and plastic drain pans. Thank you from #Team31Lennox. Book a table at 31 Lennox. To make a reservation with us for food and drinks, please complete the form below. If there is no availability for your desired time or party size then please call us on 0896112764 and we will try to accommodate your group. Page 26: Alert Codes And Troubleshooting An unknown device is seen on the subnet in or outside of configuration − [any unit] mode. Clear by reconfiguring the system. Press and hold Lennox Logo, press setup tab, press start, and press confirm. If problem persists, then check all DEVICE connections to make sure they are icomfort−compatible.Lennox CB30M-31-1P - Lennox Air Handler CB30M-31-1P- Lennox Air Handler CB30M-31-1P. We only ship within the United States. Your Zip: Enter a US zip code. HELP. MENU. CONTACT & SUPPORT. Live Chat Offline: Email Us. SIGN IN. 0. CART.Building Codes In the USA, installation of gas furnaces must conform with local building codes. In the absence of local codes, units must be installed according to the current National Fuel Gas Code (ANSI‐Z223.1/NFPA 54). The National Fuel Gas Code is available from the following address: American National Standards Institute, Inc. 11 West ...The XC25 offers industry-leading efficiencies of up to 26 SEER, which can help to save you hundreds of dollars in utility costs every year. The XC25 has also been designated as one of the Most Efficient ENERGY STAR-Certified products in 2017. Green and energy conserving, products that are recognized as the Most Efficient of ENERGY STAR in 2017 ...These new regulations mandated higher minimum SEER ratings, with different standards for different parts of the country. North. Split Systems-. Air Conditioners: 13 SEER. Heat Pumps:14 SEER, 8.2 HSPF. Packaged Units-. Air Conditioners: 14 SEER. Heat Pumps:14 SEER, 8.0 HSPF. Southwest.Buy the Lennox evaporator coils you need to better service your homeowners. Shop from brands like Lennox, ADP, Allstyle, and Aspen on LennoxPros now. ... 31 Inch (9) 20.5 Inch ... Please check other cities' zip/postal codes for same-day availability. Find a nearby store using a city or zip/postal code above.1. Have a new construction house, and lived here about 2.5 yrs. Turned on my furnace last night worked fine. This morning, it kept turning on then kicking off with no burners coming on. I noticed the red light was flashing 3 times. Looked up some info and pulled the hose off and noticed the part it plugs into on the fan was all corroded.4.1. (49) * Based on sound pressure levels during operation of Lennox's CBA38MV-036 with factory-installed filter compared against 3-ton units of the leading competitors representing the majority of the total air handlers of like class sales volume in North America at equivalent external static pressure when set up per Section 4.5.3 of AHRI ...2017 Lennox Industries Inc. Dallas, Texas, USA ATTENTION SERVICE PERSONNEL ... The unit size code for the air-handler has not been selected. Configure unit size code. E292 The air-handler's blower motor will not start. Check for seized ... 9/12/2017 9:02:31 AM ...It is saying lost communication with device alert code:31. Lennox about three years. One day. I have tried nothing - Answered by a verified HVAC TechnicianUnderstanding error codes 411, 225 and 31 on your Lennox iComfort thermostat can be tricky. Here's what may be causing the error code and how to resolve it. 636-456-5041. 24/7 emergency support. REQUEST SERVICE Lennox (NYSE: LII) is a leader in energy-efficient climate-control solutions. Dedicated to sustainability and creating comfortable and healthier environments for our residential and commercial customers while reducing their carbon footprint, we lead the field in innovation with our cooling, heating, indoor air quality, and refrigeration systems.This will damage the iComfort®S30 and void the warranty. Install HD Display/Mag-Mount on outside walls or in direct sunlight. Install Smart Hub to indoor unit or equipment that could induce unit vibration to the unit. Exceed 300 feet (91m) run when using 18 GAUGE thermostat wire or larger.I have a Lennox G61MPV that was serviced a couple months ago. Has been working great until this morning. No heat in the house! Diagnostic code was flashing 4+3. I then removed bottom panel and put it … read moreCode equipment is not stuck ON. • Check accuracy of the thermostat temperature sensor. • Select heating system mode to heat the indoor space to above 40ºF. 31 Critical …Code equipment is not stuck ON. • Check accuracy of the thermostat temperature sensor. • Select heating system mode to heat the indoor space to above 40ºF. 31 Critical …GitHub Copilot, which leverages AI to suggest code, will be general availability in summer 2022 -- free for students and "verified" open source contributors. Last June, Microsoft-o...I have a Lennox G71MPP with codes h100, A1032, h70, A798, not till now, the thermostats is a Garrison digital, the - Answered by a verified HVAC Technician. We use cookies to give you the best possible experience on our website.Solving error codes 411, 225 and 31 on your Lennox iComfort thermostat can be tricky. Here's what may be causing the problem and how to resolve it.The Lennox S40 Smart Thermostat not only provides the most precise and perfect air, it also gives peace of mind. This truly digital product is part of a fully communicating home comfort system. Sensors in the equipment allow the thermostat to diagnose issues and automatically make system adjustments to more precisely and efficiently maintain ...Get professional furnace and air conditioning installation, maintenance, and 24-hour repair services with SNAP Heating & Air Conditioning. Our licensed and experienced technicians are available around the clock to provide prompt and reliable service to keep your home comfortable all year long.Lennox 31W62 (LB-115012A) Vent Extension Kit For LG/LD/KG/ZG 024-090, ZG 092-150 & SG 036, 060 Units. The Vent Extension Kit is used when unit vent is too close to fresh air intakes per building codes. The vent kit also prevents ice formation on intake louvers. This kit is approved for installations where the vent pipe extends no further than 3 ...All Lennox product is set up with a systematic coding system for both model ... -31 = 2½ tons -275 = 20 tons -41 = 3 tons -300 = 25 tons ... Voltage Code Since 1968 all Lennox equipment that operates on voltage other than 120-volt/60 hertz single phase, is …Mar 8, 2024 · How to Read a Lennox Serial Number – Details. Style #1: 10 Characters – Numbers and One Letter – 1974 to Present. Style # 2: 9 Characters – Letters & Numbers – Late 1970s to Early 1990s. Style #3: 10 Characters – Numbers and Letters – 1960s and 1970s. Style # 4: 10 Characters – All Numbers. do not supersede local or national codes in any way. Au-thorities who have jurisdiction should be consulted before installation. ... Matching Lennox Furnace - Cabinet Width Designation CBCB CCD Coil & Furnace Cabinet Height - in. 21 17-1/22 1 17-1/22 12 1 24-1/2 Shipping Data - lbs. 56 67 67 61 60 70 79.Understanding error codes 411, 225 and 31 on your Lennox iComfort thermostat can be tricky. Learn what's causing the problem and how to resolve it.Alert code 31 The applicable system component (indoor, equipment interface or damper control module or outdoor unit) hasn’t communicated with thermostat for more than three minutes. Fault clears after communication is restored.How to determine the date of production/manufacture or age of Lennox ® brand HVAC Systems. The industry average service design life for most forced air furnaces is 15-20 years, and the industry average service design life for most air conditioning condensing units is 10-15 years. The average service design life of boilers can vary from as ...Lennox mini split systems are an excellent way to provide compact, yet effective temperature control for your home. Some models are built for air conditioning only, while heat pump models can deliver both heating and cooling. Get professional furnace and air conditioning installation, maintenance, and 24-hour repair services with SNAP Heating & Air Conditioning. Our licensed and experienced technicians are available around the clock to provide prompt and reliable service to keep your home comfortable all year long. That's for your gas manifold. The one for the furnace is on the outside most of the time it's wired to a light switch.It doesn't matter though when you take the panel off it shuts the power off to the system because there's a little black button that the door presses to turn the power on.Make sure the gas manifold is in the on position and then proceed to put everything else back on ...CB19-31 P, Upflow/Downflow, Air Handler, Multi-Speed, 2.5 Ton. Cat # : 69G71. ... Evaluate, align, and develop your talent with Lennox U™ ... Please check other cities' zip/postal codes for same-day availability. Find a nearby store using a city or zip/postal code above.Lennox technicians have the experience necessary to get the job done right the first time. Find a local Lennox air conditioner and furnace dealer near you. ... Postal Code. Zip Code. Rebates up to $1,700. or no payments for 6 months. Learn …Get professional furnace and air conditioning installation, maintenance, and 24-hour repair services with SNAP Heating & Air Conditioning. Our licensed and experienced technicians are available around the clock to provide prompt and reliable service to keep your home comfortable all year long.Forum Rules. I have an XC21, SLP98V, with the iComfort s30 thermostat. System was just installed last June. First time used the AC this year. Turned it on last night and when I got up this morning the thermostat displayed critical system alert 901. Everything seems to be working fine otherwise.

High-Pressure Condition: * Critical code 31 indicates that the high-pressure switch in your Lennox air conditioner has detected a high-pressure condition in the refrigerant system. High pressure can be caused by various factors, including: * Blocked or restricted condenser coils: Dust, debris, or dirt accumulation on the outdoor condenser coils .... Craigslist furniture san antonio tx

Lennox (NYSE: LII) is a leader in energy-efficient climate-control solutions. Dedicated to sustainability and creating comfortable and healthier environments for our residential and commercial customers while reducing their carbon footprint, we lead the field in innovation with our cooling, heating, indoor air quality, and refrigeration systems.Indoor unit A evaporator outlet temp.(T2BA) • If the temperature is lower than -9 degrees, the two-digit display will show "-9". • If the temperature is higher than 70 degree, the two-digit display will show "70".Alert code 31. The alert code implies that some of the applicable system units haven't communicated with your Lennox iComfort thermostat beyond three minutes. These system components include; indoor, damper control module, equipment interface module, or outdoor unit. The code disappears once the communication fault is restored.This video provides step-by-step repair instructions for replacing the flame sensor on a Lennox furnace. The most common reasons for replacing the flame sens...Got a Lennox system with an S30 thermostat for the master and 3 iharmony stats for the other 3 zones. For the past week or so, the zones disappear, leaving me with just “Upstairs” as a single controllable zone. What I’ve noticed is that if I instruct Alexa to change the temperature in one of the zones it works just fine, and all 4 zones ...A Good Spring Cleaning: An HVAC Maintenance Checklist for March . You've been hibernating all winter, but March is a time of year when things start shifting in a warmer direction.From https://www.justanswer.com/ythiJustAnswer Customer: Lennox Elite code e223Tim H.: HVAC Professional: Hi, Welcome to JustAnswer This code refers to Low-...Products that add to the performance of SL280V Variable-Speed Gas Furnace. * Based on sound pressure levels during steady-state, high-fire operation of Lennox SL280UHV070V36A and leading competitive units at mid-point temperature rise and minimum external static pressure when set up per Section 4.5.3 of AHRI 260-2001.The EL17XP1 is compatible with the E30 Smart Thermostat, giving you easier access, control, and comfort. With efficiencies of up to 17.00 SEER and 9.60 HSPF, equivalent to 16.20 SEER2 and 8.20 HSPF2, the heat pump delivers significant energy savings.Enter your postal code to find a Lennox ® Dealer in your area who can take care of your home comfort needs, or view a list of all Lennox Dealers .Lennox 31L8201 Honeywell VR8205M2476, Dual Direct Ignition Standard Opening Natural Gas Valve, 24 VAC, 1/2 NPT. en. English (EN) Français (FR) Search. Search. Store Locator ... Find by City or Zip/Postal Code Find Available for Pickup Today. Out of Stock at Your Nearby Stores ...Service alert code 31. Lennox approx 7 years pure air system. 4 days. A technician came and said that it had to do with - Answered by a verified HVAC TechnicianAlert code 31 The applicable system component (indoor, equipment interface or damper control module or outdoor unit) hasn’t communicated with thermostat for more than three minutes. Fault clears after communication is restored.10 years on compressor. 20 years or Limited Lifetime on heat exchanger (depending upon model) Lennox Merit ® Series products. 5 years on covered components. 5 years on compressor. 20 years on heat exchanger. Healthy Climate ® Indoor Air Quality Systems. 2 or 5 years on covered components (depending upon model).

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