Quote:
Originally Posted by glendodom
How do you force antifreeze into the black flush line?
Did you mount an back siphon valve in the convenience center on the flush line or behind the convenience center?
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When winterizing and you run the outside shower until you see pink stuff come out the shower hose, just connect the shower hose to the flush connection and run antifreeze thru that line.
The anti siphon valves in the links above have garden hose type fittings and can be connected directly to the external flush connection at the front side of the convenience center.