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Old 07-07-2018, 03:03 PM   #1
joe direnzi
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Fresh Water Tank on 3721rl 2018

Hi all. Anyone know how to drain the fresh water tak on a 2018 3721rl.thank you
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Old 07-07-2018, 03:12 PM   #2
waynemoore
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The drain should be in the rear under the tank. Have to look under the rig.
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Old 07-07-2018, 03:30 PM   #3
joe direnzi
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thanks wayne and ann.found three drains under 5er,none are marked .I guess tank is in rear of camper?
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Old 07-07-2018, 07:11 PM   #4
rmthelen
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Originally Posted by joe direnzi View Post
thanks wayne and ann.found three drains under 5er,none are marked .I guess tank is in rear of camper?
Yes, tank is at the rear and should be one hose to drain fresh water. The other two should be one red and one blue for hot and cold lines and they are your low point drains for draining the system prior to winterizing.
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Old 07-07-2018, 07:26 PM   #5
DQDick
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If the new ones are the same as they've always been, in the rear of the rig will be a hose hanging down with a twist off cap on the end. That's the fresh water drain.
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Old 07-08-2018, 07:59 AM   #6
WeBeFulltime
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Yes, tank is at the rear and should be one hose to drain fresh water. The other two should be one red and one blue for hot and cold lines and they are your low point drains for draining the system prior to winterizing.
The 3721RL should have a residential refrigerator that should also have an ice make line drain under the Monty probably forward of the axles toward the middle from side to side. I THINK mine is blue colored.
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Old 07-08-2018, 08:06 AM   #7
jeffba
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The 3721RL should have a residential refrigerator that should also have an ice make line drain under the Monty probably forward of the axles toward the middle from side to side. I THINK mine is blue colored.
our Ice maker low point drain is Blue
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