chris
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Post by chris on Sept 22, 2015 18:41:01 GMT -8
I just replaced all of the lines in my trailer with pex .5 inch and works great. I live in Alberta and need to winterize. I eliminated the low spot bleeder valves and want to blow out the system and put in antifreeze.
Any ideas on the best way to go about this. I have a compressor.
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Post by vikx on Sept 22, 2015 21:27:55 GMT -8
Blow the lines with a helper who opens the faucet(s), no more than 45PSI. There is a hand pump apparatus to pump antifreeze thru the city water inlet after you blow the lines. Run each fixture until pink flows.
If you have a 12 volt pump, it can be pumped dry. Run antifreeze thru by connecting a jug of antifreeze to the pump inlet. There is a Winterizing Kit available that makes it easy. Pump thru the pump and to faucet(s) and toilet if you have one. The pink coming thru will treat your traps. (if you have any)
In any case, do not fill the fresh water tank with antifreeze! It's next to impossible to flush in the Spring.
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Ten
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70 Shasta 16SC + 1964 Airflyte
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Post by Ten on Sept 23, 2015 1:22:50 GMT -8
A paint tank with a line rigged to connect to the hose fittings works wonderfully. They will usually have a regulator that can drop the line pressure to where you need it. 20 psi is plenty, all you have to do is push the anti freeze in. Remember that if you do not have a bypass setup, there is no way to stop from pushing all the antifreeze into the water heater (if applicable), and it is not necessary to have it full of 6 gallons of antifreeze. To avoid this, do the cold side first as much as is possible, then it is possible to push back from the faucets to the hot lines.
Don't forget your drain traps.
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