Trying To Winterize
I have a 2018 HC 345RL. I am trying to winterize it. Did the low water drains and drained the water heater. Turned on water heater by pass and turned on winterize valve. Hooked up jug of antifreeze with short hose to top inlet. Turned on water pump, opened a faucet but it will not suck up any antifreeze. What am I missing.
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