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Old 03-17-2018, 01:01 AM   #1
OldWest
T1N Westfalia
 
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Default Info: Hot Water Heater

There's a lot of information about our hot water heaters in the USA, so won't go into too much detail.

1. Models:

The early Westies had a three (3) gallon, manual light (matchstick) Suburban hot water heater.

Later Westies apparently had a four (4) gallon Suburban hot water heater. Not clear whether these all had electronic ignition, with the control near the generator switch control (near closet).

If anyone has the four gallon heater with control, it'd be nice to have photos.

There was a poster who replaced their three gallon heater with a four gallon heater and control.

NOTE: The typical Suburban 6 gallon water heater may not fit. Also, the doors of the various Suburbans may have different dimensions--so double-check dimensions if replacing door.

2. James Cook:

The James Cook does not have a Suburban hot water heater with the big ugly door. Instead, the James Cook has a small propane Truma water boiler mounted behind the bathroom mirror in the fiberglass top area, with the exhaust going through the rear part of fiberglass top.

3. Suburban Maintenance:

The sacrificial anode rod should be replaced annually or as required.

https://sprinter-source.com/forum/sh...ight=Hot+water

WARNING: Besides turning off propane, make sure to release water pressure BEFORE unscrewing anode rod--if not, the water pressure will launch anode rod like a missle.

WARNING: The water pressure valve should also be checked periodically for safety and replaced as necessary.

https://sprinter-source.com/forum/sh...5&postcount=10

QUIRK: The drain valve (underneath water heater, next to Kerstner black plastic box) may also act as a relief valve and drip.

https://sprinter-source.com/forum/sh...ghlight=shower

Camco Water Heater Tank Rinser is handy to flush sediment out as water hose won't fit into tank, or can make your own.

https://www.amazon.com/s/ref=nb_sb_n...ds=Camco+11691

4. Hot Water to Outdoor Shower:

Several Westy owners have modified water lines so the outside shower has hot water.

https://sprinter-source.com/forum/sh...highlight=Carr

https://sprinter-source.com/forum/sh...ghlight=shower

https://sprinter-source.com/forum/sh...ight=Hot+water

Several posters found a source for the attachment to the outside shower at McMaster Carr, Amazon, etc.. Thread below has document showing how to make complete shower hose.

Airstream used to sell the outside shower hose and showerhead as an accessory, but apparently no longer available.

https://sprinter-source.com/forum/sh...ghlight=shower

https://sprinter-source.com/forum/sh...ghlight=shower

https://sprinter-source.com/forum/sh...ghlight=shower

Last edited by OldWest; 03-17-2018 at 01:23 AM. Reason: Typos, add note re 6 gallon Suburban and door sizes
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Old 03-17-2018, 01:08 AM   #2
OldWest
T1N Westfalia
 
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Default Re: Info: Hot Water Heater

5. Winterizing:

http://sprinterwestfalia.com/winteri...-water-system/

Some RVers install a bypass valve to the hot water heater. Thought a Westy owner did but can't find posts. Generic link below.

http://www.rverscorner.com/bypass.html
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Old 03-17-2018, 01:14 AM   #3
OldWest
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Default Re: Info: Hot Water Heater

6. On-Demand Hot Water:

Discus replaced Suburban with an on-demand instant hot water heater. Does require higher water pressure to activate tank. Discus has an external Shurflo water pump instead of the submersible pump

https://sprinter-source.com/forum/sh...ight=Hot+water

7. Mini-Hot Water Heaters:

To eliminate propane, need to get rid of cooktop, hot water heater, and generator.

Diesel hot water heaters are expensive.

If have an inverter, a small.electric hot water heater might be sufficient. There are also 12v tanks.

https://sprinter-source.com/forum/sh...ight=Hot+water
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Old 03-17-2018, 01:21 AM   #4
OldWest
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Default Re: Info: Hot Water Heater

8. Additiion of Expansion Tank:

OneManVan added a small expansion tank to protect plumbing from excessive pressure.

https://sprinter-source.com/forum/sh...1&postcount=11
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Old 11-07-2018, 06:21 PM   #5
Kiltym
 
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Default Re: Info: Hot Water Heater

Just as a point of reference, we have a 4 gallon, with manual light pilot. We are # 182.

Model SW4P

Last edited by Kiltym; 11-07-2018 at 06:25 PM.
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Old 11-07-2018, 11:52 PM   #6
edfrompa
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Default Re: Info: Hot Water Heater

Re: Info: Hot Water Heater
Why would anyone want to heat "hot" water
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