otrfun wrote:
Just curious how many folks drain their freshwater (FW) tank, then refill the FW tank with RV antifreeze to winterize their system? I tried this method for the first time a week or so ago. It took about 4 gallons of antifreeze to get the antifreeze level in the FW tank high enough so I didn't pull air into the water pump.
I did that ONCE, never again.. And you will find out why (Perhaps I can help you ) come spring
Liek you the tank outlet is about 4 gallons above the bottom of the tank,, In my case so is the fresh tank drain So come spring getting all that pink **** out of the tank was a job and a half... This is why I switched to teh DRY method by the way (Described later)
How I wound up getting it out.....
I pulled one of the 1/2 inch plugs that was in the side of the tank, Pulled out the unsused outlet strainer (the tank has dual outlets)
inserted a small (1/2 inch OD) siphon hose and siphoned it all out.. Major pain in the anatomy... Rinsed and siphoned a few more times and finally got enough that I could no longer taste it. Then sanitized by filling the tank with 1/4 cup Bleach to 15 gallons of water, Then drained and re-filled with water and baking soda (abou 1/2 cup to one cup disolved in warm water) then drained and refilled with Fresh then Drained and refilled once more with City water.
NOTE each fill you flush the lines as well.
Dry method:
Open all valves including low point, Screw blow out adapter into city water inlet, Drain fresh tank to drain level.
using an air compressor and regulator (50 PSI) blow Gabriel Blow.. I use a six gallon 150 PSI tank job.. When you run out of air, pause,, While pausing force cycle the Ice Maker (gravity will draw the water out of the lines) bypass and drain the water heater,, Drain the water pump inlet strainer and while it's open run the pump one minute then shut off.
Now blow again, like 5 more times, till you no longer get water out of the lines.
Now dump waste tanks (Use a blue boy tote if you must) and add PINK to all drains, toilets and about a pint or so to each waste tank.
Come spring.. Skip the siphoning part and go straight to the Bleach water.