Rheem EcoSense by 4.2 GPM Tankless Water Heater LP Gas - Unanswered Questions, Problems & Issues

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What does the red LED on the circuit board flashing 6 times mean?
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Be the first to answer 7/7/2012 4:57:20 PM • Rheem EcoSense... • Posted on Jul 07, 2012 • Be the first to answer
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I have rheem ecosense hot waterheater flashing c7
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Be the first to answer 12/22/2010 3:11:20 AM • Rheem EcoSense... • Posted on Dec 22, 2010 • Be the first to answer
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Rheem ECO-180XN WON'T WORK AFTER INSTALLING
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Be the first to answer 9/5/2009 11:24:45 PM • Rheem EcoSense... • Posted on Sep 05, 2009 • Be the first to answer
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? i just bought a house that has a rheem rtex-06tankless hot water heater but no owners manual water gets warm but not hot and i know nothing about tankless hot water heaters
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Be the first to answer 10/23/2018 10:38:24 PM • Rheem Water... • Posted on Oct 23, 2018 • Be the first to answer
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Im looking for a manual for a RHEEM 13AJN48A01, I just want to know how to clean is since its outside
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Be the first to answer 7/10/2018 12:27:21 AM • Rheem Water... • Posted on Jul 10, 2018 • Be the first to answer
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How to replace forced draft fan on Ruud tankless water heater
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Be the first to answer 6/1/2018 1:06:38 PM • Rheem Water... • Posted on Jun 01, 2018 • Be the first to answer
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I initially had a P1 error code on my rheem tankless heater and shut it off for 5 minutes, turned it back on and now it is displaying green priority light. What should I do??
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Be the first to answer 5/21/2018 5:05:24 AM • Rheem Water... • Posted on May 21, 2018 • Be the first to answer
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I have a rheem power vent hot water tank #21vp50-1, serial #rn0793005074. The ignitor lights but gas does not turn on. A few months back we replaced the ignition control but now this is happening.
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Be the first to answer 5/20/2018 5:25:37 AM • Rheem Water... • Posted on May 20, 2018 • Be the first to answer
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Rheem tankless water heater RTG-66DVP low water pressure going through it when turned on
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Be the first to answer 4/17/2018 4:01:33 AM • Rheem Water... • Posted on Apr 17, 2018 • Be the first to answer
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Dip tube for Rheem PVW50 water heater
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Be the first to answer 2/27/2018 10:08:30 PM • Rheem Water... • Posted on Feb 27, 2018 • Be the first to answer
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I have a rheem 71-305 no hot water but when the pressure drops to 20 it turns on then it quickly builds up and it turns off again
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Be the first to answer 2/22/2018 12:00:01 PM • Rheem Water... • Posted on Feb 22, 2018 • Be the first to answer
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I have a Rheem RTG-74PVN and I’m trying to hook up a new control UMC-117 to b able to adjust water temperature to go higher than 120F. How do I adjust dip switches
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Be the first to answer 1/31/2018 9:35:43 PM • Rheem Water... • Posted on Jan 31, 2018 • Be the first to answer
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My lights got cut off and now back on my and now my water heater is not getting hot it's a Rheem model number is 71-40D B how long will it take to get hot or why hasn't gotten hot I don't hear it as if it's on what do I do was working before
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Be the first to answer 1/27/2018 2:49:36 AM • Rheem Water... • Posted on Jan 27, 2018 • Be the first to answer
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I have. Rheem water heater model xe50m06st4501 m10139 installed 10/15. All of a sudden I have no hot water. Outside breaker is not tripped. Help
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Be the first to answer 11/25/2017 2:47:42 AM • Rheem Water... • Posted on Nov 25, 2017 • Be the first to answer
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I have a rheem rf 200 92 tank the pilot stay lit but the heater does not ignite and theirs no hot water what could the problem be
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Be the first to answer 10/12/2017 4:01:41 PM • Rheem Water... • Posted on Oct 12, 2017 • Be the first to answer
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We have a Rheem tankless hot water tank in our RV and when we turn it on, it looks like it is heating up but the minute you go to use it there is a beep and E1 code. Any sugguestions?
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Be the first to answer 9/30/2017 5:26:48 PM • Rheem Water... • Posted on Sep 30, 2017 • Be the first to answer
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All three lights on my Rheem water heater turn off. What does that mean and how to fix it?
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Be the first to answer 8/6/2017 10:31:25 PM • Rheem Water... • Posted on Aug 06, 2017 • Be the first to answer
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Rheem rrgg a/c heater combo unit cleaning evap core need instrusion on getting to the core
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Be the first to answer 7/23/2017 9:37:39 PM • Rheem Water... • Posted on Jul 23, 2017 • Be the first to answer
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Hi i have a rheem 26 which after a few minutes running comes up with the following error c9 12. Can you help. Thankd
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Be the first to answer 7/14/2017 3:09:20 AM • Rheem Water... • Posted on Jul 14, 2017 • Be the first to answer
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Rheem RTU serial# 2M7943ADAAF351007426 what year is this??
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Be the first to answer 7/14/2017 2:12:46 AM • Rheem Water... • Posted on Jul 14, 2017 • Be the first to answer
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