Winterizing
So I winterized my new travel trailer yesterday and was just checking to make sure i was all squared away..I drained hot water tank and just kept plug off for winter..i turned bypass system for tank a...
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I previously used the pink stuff method described by the OP when I winterized in 2014 but since have used the air compressor method because it is a lot less messy and works just as well. Last year I used the air compressor method. This year I am going to use the air compressor method again. Essentially this involves: draining the 3 tanks, run the water pump dry, open the low point drains, drain the water heater, bypass the water heater, put 35 psi air on the city water inlet, and open each faucet in turn to blow out until you only get air. Blow out the toilet water supply. Blow out the black tank blow down line.
Leave the low point drains open until spring. Reinstall the water heater lower plug after it has been drained. Put some pink stuff in the sink drains and enough in the shower drain to get it into the gray tank discharge valve. Also put some pink stuff in the toilet and flush to get it into the black tank discharge valve. Leave a little pink stuff in the toilet. Next spring redo the heater bypass back to normal and close the low point drains.
Leave the low point drains open until spring. Reinstall the water heater lower plug after it has been drained. Put some pink stuff in the sink drains and enough in the shower drain to get it into the gray tank discharge valve. Also put some pink stuff in the toilet and flush to get it into the black tank discharge valve. Leave a little pink stuff in the toilet. Next spring redo the heater bypass back to normal and close the low point drains.
