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Old 05-11-2016, 09:15 PM   #1
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Hot water heater or lack there of

I've got a 2012 Berk and it has the Girard tankless heater. Ever since I've had this unit water temp has been very hard to keep consistent especially in the shower. This past few days I was boon docking with only my fresh water tank and never was I able to get anything hot, barley warm at best. Is there something wrong, are these things junk? I need to figure something out my family is doing a month trip soon and I don't want to fight water daily.

Thx.,!!
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Old 05-11-2016, 09:38 PM   #2
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I also had issues with the 1st generation Girard. Forest River swapped it out with the 2nd generation and things improved significantly but they are very sensitive to air in the water lines. The air seems to confuse the flow sensor. So the best advice I got from a Girard rep was to purge the lines by running water until there is no sputtering. Mine is especially sensitive when using the fresh water tank as it seems to pick up more air from the tank. I would suggest you keep the tank at least half full to avoid this.


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Old 05-11-2016, 10:10 PM   #3
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When I needed to replace my hot water heater (damaged) I had the option of going to a tankless one vs a 10 gal Suburban one. After reading countless comments abt the very problem you had, I opted to go with the standard one.... Haven't regretted it for one second..


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Old 05-11-2016, 11:31 PM   #4
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I have a 2012 390bh60 and up until last summer I never had
consistent hot water. After attempting every fix on this forum and going through countless hours of testing with the Girard engineer .... I finally have the solution


1 make sure to purge the system of any and all air. This must be done on the tank side as well as city water side.

Open all tapes and valves until the flow smoothly. This includes the ones by the water.pump as.well.as the one located.below the washer and being water heater.

I no longer use the barrel style pressure regulator since the flow rate is too low. I purchased a Watt high flow.regulator.from Lowe's .... see photos.

Must important is to by pass the temp sensor on the heater. From the factory the unit is set for auto/low setting. When you bypass the sensor it becomes a high/low setting.

The sensor is located.by removing the outside access panel for the heater. On the top left you will see a disc.shaped sensor with 2 wires coming into it. You simply remote the two blade connectors and connect to two wires directly. See photos
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Old 05-11-2016, 11:39 PM   #5
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Man oh man that's a lot of work to get hot water..... I simply plug in, turn water heater on and by the time I finish setting up I have hot water.... Have never run out even when washing clothes...


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Old 05-12-2016, 08:47 AM   #6
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I had an issue with my Charleston having little hot water when cold outside and some hotwater when over 70 outside, Called Gerard and they had me pull the rheostat out and check the resistance and found all go, the looked under the washer and dryer and found the never hooked up the ground which forces the heater to low. Attached the ground wire and my my what a difference, now a little hard to keep water from getting to hot, but sure do like having Hot water which can be controlled.
Hope it helps
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Old 05-12-2016, 11:35 AM   #7
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How did you know that was ground for the water heater?


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Old 05-12-2016, 01:31 PM   #8
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The procedure that I described about came directly from the Girard engineer.

Once we identified the problem ... one that is extremely common with this heater .... it was a 5 minute fix.

It is still a bit of a challenge to get the proper flow rate for.the desired temp ... but once I do, I have hot water until.the lake runs dry
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Old 05-12-2016, 02:09 PM   #9
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About the ground, at the back of the water heater the wire from the thermostat wire rolled up in a ball and never connected. The Girard engineer chuckled and told me with no wire attached it defaults to low. All the wires were color coded. All you have to do is look at the back of water heater. Mine was very easy because the heater is right under the washer and I could pop the board off under the washer and see them all.
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Old 05-12-2016, 02:12 PM   #10
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You can also just look at the fame on the water heater and have someone inside adjust the thermostat and see the flame get bigger or smaller, mine did no change.
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