jborzak
Georgia
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Joined: 07/15/2008
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I have read about bypassing the water heater for flushing reasons but I can't find any bypass valve. Where? Or do not all have them? I have also read about fresh water, grey water, and black water drains. I can only find one big grain. Is possible they are all in place?
Its a 1997 Travelmaster, ford E350, I believe a 22 footer, made by Shasta.
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jborzak
Georgia
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Silly newbie, grey and black water same place different valves. I got that part. Water heater bypass and fresh water drain are still mia.
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KEBrown
Kansas
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Joined: 10/15/2007
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Waterheater bypass valves are typically on the back side of the waterheater itself; so they'll most likely be under your couch or cabinet or whever your waterheater is installed. Also, complete systems drains are usually found on the floor, just after the fresh water tank but before the pump, two after the pump and usally two at every faucet, shower, etc..one each for hot and cold water. You also have a complete hot water heater drain plug outside on the front of the water heater; usually a 1/2" plastic plug. Hope this helps.
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Bobbo
Memphis, TN
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Joined: 09/16/2007
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The easiest way to find the drains is to crawl under the rig and look for plastic tubing that comes through the floor and just ends. Note where that is and go into the rig and look directly above it.
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'07 Winnebago Outlook 31C on a Ford E450 Super Duty Chassis
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Handbasket
Asheville, NC
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Joined: 01/17/2003
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Picking a few nits.... Water heater bypass valves are generally for winterizing, not flushing. The water heater drain is of different material depending on the brand of WH, at least current ones are. Plastic for Atwood, metal for Suburbans, and the plug on the Suburban has a tank-protecting anode rod on the inner side. Fresh water drains come in two (?) varieties... tank, and plumbing. FW tank drain is usually on the tank at the lowest point. FW plumbing drains are more likely to penetrate the floor, with the actual valves probably above.
But these are generalities, and manufacturers sometimes have their own way of doing it, and it may vary with era, too.... 
Jim, "I know what you're thinking, and you should be ashamed of yourself."
'06 Tiger CX 'C Minus' on a Silverado 2500HD 4x4, 8.1 & Allison ('Loafer's Glory'); '07 Forester 2.5 ( the 'HANDBSKT'); '95 Toyota SR5 V-6 4x4 pickup, ARB locker, Bilsteins, Warn hubs & M8000, etc;
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jborzak
Georgia
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I have crawled all around under the thing. Traced the white water line from the tank to the pump, no drain. I did find the white drain (Atwood) for the water heater and the valves inside the cabinet. Still searching for fresh water drain. The white hose coming off the fresh water tank is at the bottom but goes up slightly then to the pump. I don't think it should do that but can't shorten until I drain the tank.
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ron.dittmer
Near Chicago
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Joined: 02/26/2007
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Maybe you can search for similaries between yours and mine.
Fresh Water Drain
The outlet port of my fresh water tank is a valve with two hoses going from there. One hose goes sideways to the pump, and one goes straight down to the street. The valve handle in one direction, the water goes to the pump. A half turn the other way, and it goes on the street. I am not sure, but at 1/4 turn, it might retain the water inside the tank.
Hot & Cold Plumbing Drains
At the lowest point in my RV (the floor), in my main outside storage compartment, there are two valves that drain plumbing water on the street. Pipes go to the valves from the side. Drain tubes exit the valves straight down to the street. You need to have all faucets open (hot & cold) for the water to drain. Kitchen sink, bathroom sink, and both the inside & outside showers. This done during and after the hot water tank is being drained. Not before.
Bought new in June 2007, Phoenix Cruiser-2350
Fits inside our garage.
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Dusty R
Charlotte Michigan 48813
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Joined: 04/05/2003
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Our Itasca fresh water tank drain is at the opposite end of the tank from the pump.
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jborzak
Georgia
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I did find a grey valve before the pump. Turning it or pulling it does nothing. It may have to do with the line from the tank going up 6 inches before going back down. I'm pretty sure it should be flat on the floor like the rest of the white hose. I'll either have to pump the tank or run the faucets until its dry again. No clue the previous owner might have had a reason for this but I don't know.
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Bordercollie
Garden Grove, CA, USA
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Joined: 03/07/2002
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The hot and cold water "low drains" may be found in various places depending on the brand and floor plans. On our Tioga they are behind an inspection plate located outside the bathroom. They are hard find and to reach and you need to open them fully to drain the lines and(important)close them fully or your electric water pump will cycle on and off continuously after you fill the water tank and when you flip on the water pump switch.
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