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Old 07-09-2020, 10:11 AM   #1
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2008 23' Safari SE
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Average time for furnace to heat up? 2008 Safari

Hello fellow members

I recently purchased a 2008 23 Safari and have spent the last couple of weekends getting to know her and camping. Everything is going great but i do have a question for othes with the same water heater/furance as mine. It takes a good 30/40 minutes for it to heat up hot water. My understanding is it should be closer to 20 minutes to heat up the 6 gallon capacity it holds.

Are others seeing similar heating times or is there something a miss with my unit?

Thanks for you inputs
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Old 07-09-2020, 11:21 AM   #2
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Your furnace doesn't heat the hot water.

My water heater will produce hot enough water for a shower in 10 to 15 minutes.
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Old 07-09-2020, 12:25 PM   #3
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Hot Water Heater

Hi PNWBRIT,

Welcome to the forums and congratulations on your "new" rig! We've got a 2008 Classic so we've probably got the same hot water heater.

As CRH pointed out the Furnace and Hot Water heater are separate systems. The furnace makes forced hot air to warm the trailer interior. The Hot Water heater just makes @6 gallons of hot water for you.

Our Water heater has 2 sources to heat the water, electric or gas. We can use the heat sources independently or together. Running both electric and gas simultaneously will cut down the heat up time. Obviously you'll need shore power to run the electric and propane to function the gas side.

Play around with it and get a feel for how they function. We've found that the recycle time to heat a tank of water to be pretty reasonable, but it's not instant like an on demand system.

All the best and Have fun!

Tom - S/OS #025
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Old 07-09-2020, 02:31 PM   #4
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Also were you judging time off of electric heat or propane?
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Old 07-09-2020, 04:04 PM   #5
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Sorry guys, Water heater is what i am inquiring about. Something seems off with mine.

I am fairly certain my water heater is gas powered only. It has a single on/off switch under the vanity sink in the rear that starts an ignition sequence to the heater under the rear bed. It is definately running off the Propane tanks. You can hear it heating up the tank just like a household water tank but it takes quite a long time to get hot water results especially considering its capacity is 6 gallons.

Thanks
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Old 07-09-2020, 09:20 PM   #6
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Hot Water Heater

PNWBRIT - Ok on the single source for heating...my thoughts then would be that heating a 6 gallon tank of water from room temperature or less, up to the 120-130ish range is probably gonna be in that 20-30 minute range.

Visualize putting a 6 gallon pot of water on your stove and bringing it up to temp...gonna take a few minutes to get there. Once it's up to temp then it's simply cycling as needed to maintain the set point.

I did look over at AirStream for a Owners manual: https://www.airstream.com/wp-content...manual-249.pdf

That may help...Page H-4 talks about the Water Heater specifically, but it doesn't offer any heating times.

All the best!

Tom - S/OS #025
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Old 07-10-2020, 10:22 AM   #7
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Its definately a Single source Propane boiler. Picture attached is the switch i have to turn it on. Without the propane tanks open the boiler will not work. Model is G6A-8E

Thank you for the replies. Logically i agree i think, 6 gallons on the Stove would take a little while to boil, also with it being propane only it would be longer vs have elec/gas combination
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Old 07-10-2020, 03:46 PM   #8
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My guess is your unit's hot water heater has debris in the tank which inhibits the heat transfer (as well as may ultimately end up blocking the faucet outlet screens). Here is a link that explains how to clean the tank:

https://www.youtube.com/embed/TL7AtXJYNcc
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Old 07-10-2020, 05:09 PM   #9
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Ok some good ideas and Iíll throw one out there, a good way out there.

Your propane orifice is PARTIALLY blocked.

Iíve pulled several pieces of debris from said propane orifice thru the years.

If youíre handy itís not difficult to R&R to inspect. Clean with LOW PSI air or solvents. No mechanical picks or probes.

Remember itís a long shot but what the heck.

Might as well pull entire burner and assure that the heat exchanger U tube is not harboring left over critters.
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Old 07-11-2020, 01:45 PM   #10
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Thank you. I think you are correct. In fact upon a closer inspection there was quite a bit of smoke coming out of the exhaust of the heater when I fired it up last night. It’s pretty black and sooty all around that area, a complete cleaning and service is likely in order.
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Old 07-11-2020, 01:45 PM   #11
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Thanks for the tip. Yes I will give the entire system a going over.
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Old 07-11-2020, 02:14 PM   #12
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Darren at My RV Works has a YouTube channel with multiple water heater videos. This one may have some guidelines to assist. On his website many service manuals too.

Carbon blackened exhaust, yeah that's not good.

Good luck,

Gary

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Old 07-12-2020, 08:39 AM   #13
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Thanks for posting this video. After taking the system apart I found a small wasp hive near the exhaust vent and likely a wasp in the burner tube. After cleaning this out and adjusting the tube the system appears to be running well, the now the flame is a bright blue and is a lot quieter. Not to mention it appears to heat 6 gallons in around 25-30 minutes.

Will probably clean the tank out and order a new LP regulator for the tanks anyway as Iím sure sure on the last service but we managed to get some washing up done and 4 people showered yesterday without any issues. Quite pleased

Thanks again everyone for the comments. Appreciated
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Old 07-12-2020, 09:42 AM   #14
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Well done. Water Heater 101.

Semi related. I had the gas furnace on one year and it made a popping sound like a slight miss not a big WOOSH POP. Pulled the exhaust and the burner manifold out. Stink bugs found a nice home under the burner screen and their carcass was flopping around interrupting the flow.

Learning some basics on these three systems, hot water, furnace and fridge goes along way to happy camping.

Darren has many videos on his channel.

Changing a propane regulator, watch for POSSIBLE hose connection confusion due to hose end vs regulator end. Some are NPT some have a little fitting that is NPT to gas flare IIRC. Just look carefully.

Gary
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