Add water to class A while boon docking
For some reason the onboard pump works to transport water inside the coach, but won't when trying to use the suction port to fill the water tank from a non pressurized system. Anything I could check t...
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Are you talking about a short open stub tee'd into the tubing between the tank and pump? If so that suction line is for pumping RV antifreeze through the system when winterizing.
Take a cup of water and stick the suction line in it. Then have somebody turn on a faucet and see if the water gets sucked out of the cup.
Take a cup of water and stick the suction line in it. Then have somebody turn on a faucet and see if the water gets sucked out of the cup.
