Hi, Reno. My trailer has three valves. The third valve is for adding antifreeze to the system. You connect a vinyl tube to the inlet by that valve and stick the other end of the tube into a gallon jug of antifreeze. Turn on the pump and it pulls the pink stuff right into the piping (with a faucet open, of course).
- Jack
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Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH, Progressive Dynamics Converter, Fan-Tastic Fan, LiFePO4 battery 12V DC Electrical System
2014 F150 Platinum 4x4 3.5L EcoBoost SCrew
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