Rinnai code 12 indicates several issues within the Rinnai water heater and that there is a lack of flame or flame failure within the system. Flame failure may indicate the lack of gas supply, not using the proper gas type, cleaning, broken elements within the heater, and more. Contents show.Anyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document an...Rinnai 98rchpi showing code 14 when turning on the showerhead, however when using other faucets for water like basin and kitchen work normal. if I turn on the basin hot water first and then turn on th … Technical Bulletin-107 Troubleshooting Code 14 and Code 57 On KB Series Condensing Tankless Water Heaters. Code 14 will be displayed on the controller if the PCB does not see continuity through the thermal fuse circuit (thermal fuse and overheat switch #1) during the start sequence. May 12, 2023 · Ensure that the proper Rinnai venting material was installed. This includes the right size, length, and materials. Check that the condensation collar was installed properly. Jul 1, 2023 ... Noritz Boiler Error Code 14 #noritz #boiler # ... Rinnai Tankless Water Heater Error Code 14. Smart Inland•945 views.This will be a 4 part video on the Rinnai tankless heater code 12. There is a few things that have to checked when a Rinnai gives a code 12.You can call Rinn...Rinnai Fault Code 14. Fault: Over heat thermal fuse. Applies to: Rinnai Infinity 26 Touch REU-AM2626, WDLInfinity 26 REU-AM2626, WDInfinity 20 REU-AM2024, WDInfinity 16 REU-AM1620WD, Infinity 12 REU-AM1220 WD, B26 REU-A2626 WB, B20 REU-A2024WB B16 REU-A1620WB Units. Your Rinnai continuous flow water heater has a self …Dec 30, 2019 · Call rinnai tech support. You have a bad sensor or a bird built a nest in the exhaust and is now roasted duck. check the flame color. Should be 95% blue. Oct 4, 2023 ... Resolving Codes 11 and 12 on a Rinnai Tankless Water Heater. 20K views · 7 months ago ...more. Rinnai America Corporation. 4.85K.Struggling with Error Code 10 on your Rinnai tankless water heater? Watch our step-by-step tutorial to learn how to troubleshoot and resolve combustion air o...4.5/5 stars from 2 reviews. Rinnai E110CRP Residential Condensing combination, propane gas boiler is compact, wall mounted, and designed for easy installation as a retro-fit to traditional less efficient boilers and can deliver whole house heating and domestic hot water heating for homes with up to two bathrooms.Jan 19, 2018 · Rinnai 98rchpi showing code 14 when turning on the showerhead, however when using other faucets for water like basin and kitchen work normal. if I turn on the basin hot water first and then turn on th … Mar 29, 2023 · Rinnai is a popular brand of tankless water heaters that provides efficient and reliable heating solutions for homes and businesses. However, like any other electronic device, Rinnai tankless water heaters can also encounter issues or errors. - The local building codes stipulating the installation rules. - The local building codes concerning the air intake and outlet systems and the chimney connection. - The regulations for the power supply connection. - The technical rules established by the gas utility company concerning the connection of the gas connection to the local gas mains.Struggling with Error Code 10 on your Rinnai tankless water heater? Watch our step-by-step tutorial to learn how to troubleshoot and resolve combustion air o...Rinnai FC824 Pdf User Manuals. View online or download Rinnai FC824 Installation And Operation Manual ... 14. FC510 Control Panel Layout. 16. FC824 Control Panel Layout ... Program On/Off Timer(S)(FC824 Only) 21. FC824 Timer. 22. Override Func on. 22. Required Maintenance. 23. Troubleshoo Ng. 26. Diagnos C Codes. 27. Electrical …Rinnai is one of the most trusted brands when it comes to gas appliances, especially water heaters. However, like any other appliance, it can break down and will need professional ...8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour Two btu per sq ft for degree difference for a slab4.2/5 stars from 94 reviews. Enjoy an endless supply of hot water with the RUCS65iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnai. Only the size of a small suitcase, the RUCS65iN is compact, easy-to-install and perfect for indoor locations. Uniform Energy Factor (UEF): 0.85.Call rinnai tech support. You have a bad sensor or a bird built a nest in the exhaust and is now roasted duck. check the flame color. Should be 95% blue.Rinnai fault code 11 – No ignition. Check to make sure the gas is turned on at the water heater, gas meter or tank. Ensure the igniter is operational. If gas is being supplied to the tankless water heater and the …Rinnai Fault Code 14. Fault: Over heat thermal fuse. Applies to: Rinnai Infinity 26 Touch REU-AM2626, WDLInfinity 26 REU-AM2626, WDInfinity 20 REU-AM2024, WDInfinity 16 REU-AM1620WD, Infinity 12 REU-AM1220 WD, B26 REU-A2626 WB, B20 REU-A2024WB B16 REU-A1620WB Units. Your Rinnai continuous flow water heater has a self …Page 14 40 in. (1 m) from the front, and the area shown above the furnace in the figure to the left. Rinnai recommends 10 in. (254 mm) clearance from the top and on both sides for servicing. Figure 7: Service Clearances... Page 15 Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile ...4.2/5 stars from 94 reviews. Enjoy an endless supply of hot water with the RUCS65iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnai. Only the size of a small suitcase, the RUCS65iN is compact, easy-to-install and perfect for indoor locations. Uniform Energy Factor (UEF): 0.85.If you're looking for help fixing your Rinnai Water Heater, look no further! Our comprehensive Rinnai Water Heater error code guide will explain common issue...Rinnai www.rinnai.us RCE-606A . RCE-606A Warm Air Outlet: Bottom front louvers Fan CFM Output: Low: 99 High: 198 Operation: Finger touch control buttons Temperature Control: Electronic thermostat HI-LOW/OFF, Up/Down switch 2°F increments Temperature Range: LOW=55°F 60°F~80°F HI=High CombustionWhen it comes to coding platforms, LeetCode is often mentioned as one of the top choices for programmers and coding enthusiasts. However, there are also other coding platforms avai... flowing inlet pressure at the incoming test point on the Rinnai water heater should read 5” W.C. - 10.5” W.C. on natural gas and 8” W.C. - 13.5 W.C. on propane gas. If the pressure is lower, the gas supply is inadequate and the unit will not operate correct operation/sizing and correct as required. Gas Pressure Setting Heater Rinnai RCE-229A Owner's Operation And Installation Manual 28 pages Silent servant convector vent-free space heater Heater Rinnai RCE-460PTR Service Manual 71 pagesRUCS Models. Our RUCS models — part of Rinnai’s Luxury Series — offer the highest output of our condensing line of tankless units. They deliver sleek, modern design and a range of features and benefits to fully satisfy the hot water demands of larger homes.I also get a code 14 if our washing machine, which is around 30 feet from the heater, is set to hot or warm water. I don't get a code 14 if I just open the hot water at the tap full blast or run the dishwasher. The gas pipe to the heater is sized properly, and I'm getting 7.8 in WC of pressure at the heater. I've set the water pressure to 70 psi.1 Operating Instructions. 2 Care and Maintenance. 3 Fault Codes. 4 Installation Instructions. 5 Parts List. Download this manual. Owner's Operation and Installation Manual for the. ES38 (RHFE-1004RFA) Gas Direct Vent Wall Furnace.Rinnai is continually updating and improving products; therefore, specifications are subject ... Local, state, provincial and federal and national fuel gas codes must be adhered to prior to and upon installation. 1. Disconnect electrical power supply. 2. Turn off gas supply. 3. Remove 4 screws securing the front panel. ... 8/14/2013 8:38:20 AM ...You can read the resistance across the sensor. Should be 12kOhms at 77*. Reverse acting, 7200 @ 100* & 23000 @ 50. If you remove the sensor and kinda toggle it back and forth it may free up and operate...for a while, but I'd have another sensor on the way.CANADIAN DEALS! RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. Our prices verses the exact same model at Homedepot.ca . RUR199iN - $2,899 - Nat Gas Compare at $3853 - SAVE $954You might think that postal codes are primarily for sending letters and packages, and that’s certainly one important application. However, even if you aren’t mailing anything, you ...You can read the resistance across the sensor. Should be 12kOhms at 77*. Reverse acting, 7200 @ 100* & 23000 @ 50. If you remove the sensor and kinda toggle it back and forth it may free up and operate...for a while, but I'd have another sensor on the way.Error Code 14 on your Rinnai tankless water heater indicates a break in the thermal fuse circuit’s continuity during the start-up cycle. Let’s take a look at the complete troubleshooting guide.Cutting NOTICE the intake hose may result in noise. Air intake hoses Rinnai Corporation EX17CT, EX22CT Manual... Page 14 Hose Joint - 1.5 in (38 mm) inner dia. Hose Joint - 2.0 in (50 mm) inner dia. Pipe Stopper A Pipe Stopper B Pipe Clamp 2 sets 3 sets 4 sets Wall Fixture Screw A Screw B Rinnai Corporation EX17CT, EX22CT Manual...May 12, 2023 · Ensure that the proper Rinnai venting material was installed. This includes the right size, length, and materials. Check that the condensation collar was installed properly. RUCS Models. Our RUCS models — part of Rinnai’s Luxury Series — offer the highest output of our condensing line of tankless units. They deliver sleek, modern design and a range of features and benefits to fully satisfy the hot water demands of larger homes.Jan 10, 2024 · Struggling with Error Code 14 on your Rinnai tankless water heater? Watch our step-by-step DIY guide to troubleshoot and fix the issue with your unit's therm... I have discussed this code and how you can fix it in my Rinnai Code 55 Reset article. So make sure to check it out for more detailed information. So make sure to check it out for more detailed information.Rinnai Error Code 14: Understanding and Troubleshooting. Explaining the Issue: Potential Causes of Error Code 14: Troubleshooting Steps: Rinnai Error Code 17: Understanding and Troubleshooting. Defining the Issue: Possible Causes of Code 17 Error:PRO Network Webinar Recordings. March 2024 - Topic: Program Overview, New product introduction: SENSEI RX & REHP (Electric Heat Pump) November 2023 - Enhanced PRO Finder on rinnai.us, Podium Promotion, Service Finance Guest Speaker, Heating product overview. November 2023 - Enhanced PRO Finder on rinnai.ca, Podium Promotion, …Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings. ... 14.05 in / (357 mm) Product Weight: 38.5 lb / (17.5 kg) Gas Type: Natural Gas: Installation Type: Indoor: Recirculation Capable: Yes: Uniform Energy Factor (UEF) 0.81:Press the Select button. MODE. Eco. Page 14. 14. Rinnai I-Series Condensing Solo Boiler User's Information Manual. MODE. Eco. MODE. Eco ... When an error code ...Rinnai, Navien, Noritz, Rheem, Takagi. How to flush/descale tankless water heater. Fix/Repair Rinnai Error Code 11, 12, 14. Flushing/Descaling - Ignition Rod...Rinnai Code 11 indicates an ignition issue in tankless water heaters; Causes may include problems with gas supply, venting system, or flame rod; Thorough inspection and proper maintenance can help resolve and prevent Code 11 errors; Understanding Rinnai Code 1114 Thermal Fuse • Check for restrictions in air flow around unit and vent terminal. • Check for low water flow in a circulating system causing short-cycling. • Check for foreign materials in combustion chamber and/or aust piping. • Check for clogged heat exchanger. 16 Over Temperature Warning • Check sensor wiring for damage.Hi I am having trouble with a Rinnai direct vent wall heater RHFE-1004f (note it is a room heater, not a hot water heater). The unit shuts off and displays error code 14. Hi I am having trouble with a Rinnai direct vent wall heater RHFE-1004f (note it is a room heater, not a hot water heater). The unit shuts off and displays error code 14. I also get a code 14 if our washing machine, which is around 30 feet from the heater, is set to hot or warm water. I don't get a code 14 if I just open the hot water at the tap full blast or run the dishwasher. The gas pipe to the heater is sized properly, and I'm getting 7.8 in WC of pressure at the heater. I've set the water pressure to 70 psi.Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters. Each Rinnai unit uses a temperature controller (either MC-91-1 or MC-91-2) on the front panel to display various configuration options for installation as ...If you’re ready to try your hand at coding, you’re in luck, because there is no shortage of online classes and resources available. Read on to discover some of the easiest ways to ...Fault Codes ..... 12 Installation Instructions ... 14 Parts List ..... 32 Consumer Support ..... 42 French Version ..... 45 Register your product at www.rinnairegistration.com or call 1-866-RINNAI1 (746-6241) 2 Rinnai Corporation ES38 Manual ... Rinnai is continually updating and improving products. Therefore, specifications are subject to ...You can read the resistance across the sensor. Should be 12kOhms at 77*. Reverse acting, 7200 @ 100* & 23000 @ 50. If you remove the sensor and kinda toggle it back and forth it may free up and operate...for a while, but I'd have another sensor on the way.Hi I have a Rinnai rhfe-1004f wall furnace, I keep getting a code 14 (overheat) there is no filter blockage or problem, what I see happening is the convection fan doesn't continue to run after burner shut off to dissipate heat from cabinet it turns off when burner does and top of cabinet gets warm with no air flow.Rinnai code 12 indicates several issues within the Rinnai water heater and that there is a lack of flame or flame failure within the system. Flame failure may indicate the lack of gas supply, not using the proper gas type, cleaning, broken elements within the heater, and more. Contents show.No Gas Supply or Inadequate gas pressure. Step 1: Check Gas Line Valves. Step 2: Check Gas in the tank. Step 3: Maintain water heater pressure specifications. Step 4: Address Undersized Gas Systems. Loose Gas connections or Improper venting (Recirculation of Exhaust Gas) Step 1: Understand the Issue.After flushing water heater, the procedure to reset LC codes: •Push the two switches (A and B) on PC Board at the same time for five seconds. •Water heater will return to normal operation and LC# count returns to 0. This hard reset procedure is not in owners/installation manual or tech sheet.flowing inlet pressure at the incoming test point on the Rinnai water heater should read 5” W.C. - 10.5” W.C. on natural gas and 8” W.C. - 13.5 W.C. on propane gas. If the pressure is lower, the gas supply is inadequate and the unit will not operate to specification. Check the gas meter regulator and pipework forIt was cleaned twice by plumber in trying to address this code. But over the 5 years, I cleaned it every 18 months. Maybe not enough. Thanks . T. ... Contact Rinnai support to troubleshoot and have a quality electrical test meter ready to go. ... Nov 14, 2017 Messages 2,376 Reaction score 1,211 Location Lafayette, CA.View and Download Rinnai Energysaver RHFE-1004T service manual online. Energysaver RHFE-1004T gas heater pdf manual download.The installer increased the line sizes, checked all the regulators, and I personally checked the pressure coming into the unit and get a solid 12.69 inches of water column, which in the required range of 10-14". The made quite a few changes, and while my propane stove works great, the Rinnai doesn't.Rinnai water heater error code 17 reset, do you hear a beeping sound? if the error code is 17 this is what you need to do to reset. The most common error cod...Rinnai FC824 Pdf User Manuals. View online or download Rinnai FC824 Installation And Operation Manual ... 14. FC510 Control Panel Layout. 16. FC824 Control Panel Layout ... Program On/Off Timer(S)(FC824 Only) 21. FC824 Timer. 22. Override Func on. 22. Required Maintenance. 23. Troubleshoo Ng. 26. Diagnos C Codes. 27. Electrical …A code 10 on your Rinnai tankless water heater can mean that your flue is blocked or that it was not installed correctly. One of the ways to check to see if the problem is with your flue is to disconnect the pipe and turn the water heater on.Struggling with Error Code 10 on your Rinnai tankless water heater? Watch our step-by-step tutorial to learn how to troubleshoot and resolve combustion air o...Adrian is an ISCET licensed professional that has completed the National Appliance Service Technician Certification Exam and has the expertise to diagnose and repair any appliance.using Rinnai conversion kits. (See page 62) RHFE-556FTRA RHFE-556FTRA RHFE-556FA RHFE-556FA MODEL GAS TYPE DIAMETER OF ... Code, ANSI Z223.1 or the Canadian Installation Code, CAN/CGA-B149. 2. For information on gas type, see data plate on the appliance. ... 14. Do not use this room heater if any part has been under water. …5. Attach the pressure gauge to the burner test point, located on. 8. If a controller is installed, turn the unit ON with the controller. Select the maximum delivery temperature and open all. 9. Set the unit to “Forced Low” combustion by setting No. 7 …Technical Bulletin-107 Troubleshooting Code 14 and Code 57 On KB Series Condensing Tankless Water Heaters. Code 14 will be displayed on the controller if the PCB does not see continuity through the thermal fuse circuit (thermal fuse and overheat switch #1) during the start sequence.Error Code 14 on a Rinnai tankless water heater can show up by various factors. The following are the leading factors: Thermal Fuse. A vital safety component, the thermal fuse, may have malfunctioned or blown, causing the thermal fuse circuit to lose continuity. Error with the Overheat Switch.Check that the gas is turned on at the water heater, gas meter, or cylinder. If the system is propane, make sure that gas is in the tank. Ensure appliance is properly grounded.Rinnai Tankless Water Heater Code 14 typically indicates a water flow issue. This error code suggests there may be insufficient water flow to activate the heater, possibly due to a clogged inlet filter or a problem with the water flow sensor.Rinnai is continually updating and improving products; therefore, specifications are subject ... Local, state, provincial and federal and national fuel gas codes must be adhered to prior to and upon installation. 1. Disconnect electrical power supply. 2. Turn off gas supply. 3. Remove 4 screws securing the front panel. ... 8/14/2013 8:38:20 AM ...Rinnai is one of the most trusted brands when it comes to gas appliances, especially water heaters. However, like any other appliance, it can break down and will need professional ...Mar 19, 2024 · Don't let Rinnai Error Code 14 leave you in the cold! Troubleshoot and resolve with expert tips for uninterrupted hot water. 4. Attempt to operate the water heater. If the unit operates replace the thermal fuse. If the code 14 is posted again go to step 5. 5. If the code 14 is posted after step 4, gain access to the PCB wiring. Do not disconnect any connectors from the PCB. Place a jumper wire* on the PCB from connector G, Pin 8 (white wire) to connector B, Pin 1 ...Save up to 80% today with the top Western Digital coupon codes from PCWorld. 15% off SSDs, hard drives & My Passport. 15% off Western Digital Student Discount. PCWorld’s coupon sec...A code of ethics is necessary because it allows individuals to know what is expected of them as acceptable behavior. It provides guidelines on making decisions that are in line wit...Page 14 40 in. (1 m) from the front, and the area shown above the furnace in the figure to the left. Rinnai recommends 10 in. (254 mm) clearance from the top and on both sides for servicing. Figure 7: Service Clearances... Page 15 Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/SCA Z240 MH Series, Mobile ...If you have a Rinnai tankless water heater, you may find yourself with an error code 14. This code indicates that there is a problem with the condensation discharge pipe. In this blog post, we’ll discuss what to do if you get this error code and how to prevent it from happening in the future.Struggling with Error Code 10 on your Rinnai tankless water heater? Watch our step-by-step tutorial to learn how to troubleshoot and resolve combustion air o...Summary: To fix Rinnai code 11, first inspect the gas line and check the gas pressure. Clean or replace the igniter and flame sensor, then inspect the venting. Additionally, check the inlet and outlet valves, as well as the pressure relief valve. Finally, bleed the line and call a professional if necessary.Rinnai E75CRN Residential Condensing combination, natural gas boiler is compact, wall mounted, and designed for easy installation as a retro-fit to traditional less efficient boilers and can deliver whole house heating and domestic hot water heating for homes with up to two bathrooms. Warranty 12 yrs on Heat Exchanger/ 2 years on Parts/ 1 Year ...High Efficiency View Energy Guide. RE199iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations; Rinnai products provide ...Check heat exchanger and all piping for leaks. If no leaks found, wipe out any water inside cabinet, dry off leak sensor, and restart unit. If error code reappears, unplug sensor and fire up the water heater. If unit operates without the sensor, replace sensor and screw.
14 Thermal Fuse • Check for restrictions in air flow around unit and vent terminal. • Check for low water flow in a circulating system causing short-cycling. • Check for foreign materials in combustion chamber and/or exhaust piping. • Check for clogged heat exchanger. 16 Over Temperature Warning • Check sensor wiring for damage.. Dollar general rogersville mo
Mar 28, 2018 ... Maidaid Halcyon - Error Code 14 & Error Code 9. ... Code 14 Rinnai Tankless water heater diagnose and repair. Sick Kids ...National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or Natural Gas and Propane Installation Code, CSA B149.1. 9. After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas-fired burning appliance to …Rinnai, Navien, Noritz, Rheem, Takagi. How to flush/descale tankless water heater. Fix/Repair Rinnai Error Code 11, 12, 14. Flushing/Descaling - Ignition Rod...No Gas Supply or Inadequate gas pressure. Step 1: Check Gas Line Valves. Step 2: Check Gas in the tank. Step 3: Maintain water heater pressure specifications. Step 4: Address Undersized Gas Systems. Loose Gas connections or Improper venting (Recirculation of Exhaust Gas) Step 1: Understand the Issue.flowing inlet pressure at the incoming test point on the Rinnai water heater should read 5” W.C. - 10.5” W.C. on natural gas and 8” W.C. - 13.5 W.C. on propane gas. If the pressure is lower, the gas supply is inadequate and the unit will not operate to specification. Check the gas meter regulator and pipework forRinnai RU199i Cycles On/Off then code 12. I have a Rinnai tankless water heater that is about 3.5 years old. It's recently started intermittently throwing a code 12. The failure seems to occur only when showering or occasionally when the kitchen sink is running. I can fill the bathtub and the unit works just fine.Technical Bulletin-107 Troubleshooting Code 14 and Code 57 On KB Series Condensing Tankless Water Heaters. Code 14 will be displayed on the controller if the PCB does not see continuity through the thermal fuse circuit (thermal fuse and overheat switch #1) during the start sequence. Hi I am having trouble with a Rinnai direct vent wall heater RHFE-1004f (note it is a room heater, not a hot water heater). The unit shuts off and displays error code 14. 14 Thermal Fuse 16 Over Temperature Warning 52 Modulating Solenoid Valve Signal 61 Combustion Fan 65 Water Flow Servo 71 Solenoid Valve Circuit 72 Flame Sensing Device Scale Build-up in Heat Exchanger (when checking maintenance code history “00” is substituted for “LC”) LC# No Code (Nothing happens when water flow is activated.) 12 No ...4. Attempt to operate the water heater. If the unit operates replace the thermal fuse. If the code 14 is posted again go to step 5. 5. If the code 14 is posted after step 4, gain access to the PCB wiring. Do not disconnect any connectors from the PCB. Place a jumper wire* on the PCB from connector G, Pin 8 (white wire) to connector B, Pin 1 ...Check that the gas is turned on at the water heater, gas meter, or cylinder. If the system is propane, make sure that gas is in the tank. Ensure appliance is properly grounded.If you have a Rinnai tankless water heater, you may find yourself with an error code 14. This code indicates that there is a problem with the condensation discharge pipe. In this blog post, we’ll discuss what to do if you get this error code and how to prevent it from happening in the future.Key Takeaways. Rinnai tankless water heaters display error codes for easy troubleshooting. Error codes can indicate issues such as ignition failure, blockages, or sensor faults. Some issues can be resolved by resetting the unit or cleaning components, while others may require professional assistance. The Rinnai Continuous Flow Water Heater Fault or Error Code 14 Troubleshooting Guide. Rinnai gas continuous flow water heaters have an error code feature. 8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour Two btu per sq ft for degree difference for a slabEnsure that the proper Rinnai venting material was installed. This includes the right size, length, and materials. Check that the condensation collar was installed properly..