Quote:
Originally Posted by alank
I do my 40M and do the air blow out first, then follow that up with antifreeze through the AquaHot, (required by AquaHot) washer, both stools. The dishwasher isn't used so water was shut off after winterizing the first year with antifreeze. A shorting wire is used on the icemaker to open the valve and clear it with air. I've developed a full page set of instructions that I follow closely and leaves nothing out. Takes less than 3 gal. of antifreeze to do the job.
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An extra point or two for using air first, you must think of all places that may have water. The black tank flush system has water that doesn’t get cleared by pumping antifreeze, but is easy to do with air. The city water inlet in the wet bay doesn’t get cleared by pumping antifreeze, easy with air and turn the tank fill valve to clear that line to the tank. After that I connect air to the reel hose to clear that and the rest of the system. Your reel hose and lines are ahead of the pump and won’t get antifreeze.