Reply
 
Thread Tools Display Modes
Old 11-22-2015, 09:27 AM   #21
Senior Member
 
Wolverine 1945's Avatar
 
Join Date: Jul 2014
Location: SouthWest Michigan
Posts: 3,692
Quote:
Originally Posted by 5picker View Post
i agree and will add reinstalling also keeps bugs, spiders or anything else out of an empty tank.
right on !!!
__________________

__________________
Wolverine 1945 is offline   Reply With Quote
Old 11-22-2015, 10:30 AM   #22
Senior Member
 
Join Date: Feb 2015
Posts: 114
Part of proper winterizing is to put moth balls in the refrigerator, heater, water heater compartments . It keep the spiders and bugs away from the propane. They love that. So no need to put the plug back in till spring. To each their own. I know over the last 40 years I have seen so many campers make so many things complicated it makes my head spin.
__________________

__________________
FOREST RIVER FW 8524RLWS
2010 FORD F 150 5.4
#1-18' Nomad #2- 20' Mallard #3- 27' Sunline #4- Four Winds C #5- Innsbruck 40' PARK # 6- 28' Amerilite #7- Forest River 26.5 FW ( 1st FW)
SULTINI is offline   Reply With Quote
Old 11-22-2015, 11:04 AM   #23
Senior Member
 
Mikegjax's Avatar
 
Join Date: Aug 2013
Location: Orange Park Fl.
Posts: 1,329
Quote:
Originally Posted by Trevor43 View Post
The electrolytic action with air and humidity in an empty HW tank.........can you explain that?......a friend was asking.
This may explain it better than I can. I also believe in an oz of prevention and better safe than, well you know. In any case do what works for you.

What causes galvanic corrosion?
For galvanic or dissimilar or electrolytic corrosion to occur, three conditions must be met:
  • The metal join must be wet with a conductive liquid
  • There must be metal to metal contact
  • The metals must have sufficiently different potentials
Wetting the join
The conductive liquid or electrolyte could be rainwater or even water from condensation. The greater the conductivity the more severe the galvanic effects. Salt or industrial pollution significantly increases the conductivity of water so galvanic effects are normally more severe near the coast or in heavy industrial areas. Low conductivity, pure rainwater will only cause slight galvanic effects. One complication is that during evaporation, water films become more conductive so initially benign water may cause quite active galvanic effects as the liquid in the crevice under a bolt or clamp becomes more concentrated. Water may be excluded by design or the use of adhesive sealants.
Metal to metal contact
Galvanic corrosion can only occur if the dissimilar metals are in electrical contact. The contact may be direct or by an external pipe or wire or bolt. If the dissimilar metals are insulated from each other by suitable plastic strips, washers or sleeves then galvanic corrosion cannot occur. Paint is not a reliable separator from direct contact although painting all of the noble metal is quite effective. Painting the active metal causes drill holes at coating defects.
Potential differences
All metals dissolve to some extent when they are wetted with a conductive liquid. The degree of dissolution is greatest with active or sacrificial metals such as magnesium and zinc and they have the most negative potential. In contrast, noble or passive metals such as gold or graphite are relatively inert and have a more positive potential. Stainless steel is in the middle although it is more noble than carbon steel. T
__________________
2014 Solera 24R
USN Retired
Mikegjax is offline   Reply With Quote
Old 11-22-2015, 11:14 AM   #24
Senior Member
 
nomad297's Avatar
 
Join Date: Jul 2015
Posts: 1,241
Quote:
Originally Posted by Mikegjax View Post
This may explain it better than I can. I also believe in an oz of prevention and better safe than, well you know. In any case do what works for you.

What causes galvanic corrosion?
For galvanic or dissimilar or electrolytic corrosion to occur, three conditions must be met:
  • The metal join must be wet with a conductive liquid
  • There must be metal to metal contact
  • The metals must have sufficiently different potentials
Wetting the join
The conductive liquid or electrolyte could be rainwater or even water from condensation. The greater the conductivity the more severe the galvanic effects. Salt or industrial pollution significantly increases the conductivity of water so galvanic effects are normally more severe near the coast or in heavy industrial areas. Low conductivity, pure rainwater will only cause slight galvanic effects. One complication is that during evaporation, water films become more conductive so initially benign water may cause quite active galvanic effects as the liquid in the crevice under a bolt or clamp becomes more concentrated. Water may be excluded by design or the use of adhesive sealants.
Metal to metal contact
Galvanic corrosion can only occur if the dissimilar metals are in electrical contact. The contact may be direct or by an external pipe or wire or bolt. If the dissimilar metals are insulated from each other by suitable plastic strips, washers or sleeves then galvanic corrosion cannot occur. Paint is not a reliable separator from direct contact although painting all of the noble metal is quite effective. Painting the active metal causes drill holes at coating defects.
Potential differences
All metals dissolve to some extent when they are wetted with a conductive liquid. The degree of dissolution is greatest with active or sacrificial metals such as magnesium and zinc and they have the most negative potential. In contrast, noble or passive metals such as gold or graphite are relatively inert and have a more positive potential. Stainless steel is in the middle although it is more noble than carbon steel. T
I learned this in middle school. I wonder why so many people have no idea how electrolysis works.

Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
nomad297 is offline   Reply With Quote
Old 11-22-2015, 12:13 PM   #25
Senior Member
 
BillyBass's Avatar
 
Join Date: Feb 2013
Location: Brownsville
Posts: 593
I take a wet vac and I take a part of the garden hose tape it to the hose then when it's drain I run the hose thru it to get the sediament out of it
__________________
2012 21' FR Micro Lite FBRS
2005 GMC Sierra 1500
2012 24 nites 2016 16 nites
2013 25 nites 2017 19 nites
2014 14 nites
2015 16 nites
BillyBass is offline   Reply With Quote
Old 11-22-2015, 12:48 PM   #26
Senior Member
 
Join Date: Feb 2015
Posts: 114
This is such a simple thing to prevent. Leave the plug/anode rod out leave the T/P valve open the water left in the bottom of the water heater will evaporate in no time. WA LA!!! dry interior no corrosion. BAM.
__________________

__________________
FOREST RIVER FW 8524RLWS
2010 FORD F 150 5.4
#1-18' Nomad #2- 20' Mallard #3- 27' Sunline #4- Four Winds C #5- Innsbruck 40' PARK # 6- 28' Amerilite #7- Forest River 26.5 FW ( 1st FW)
SULTINI is offline   Reply With Quote
Reply

Tags
drain, heater, suburban, water, water heater

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



» Virginia Campgrounds

Reviews provided by




ForestRiverForums.com is not in any way associated with Forest River, Inc. or its associated RV manufacturing divisions.


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 03:17 PM.