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Old 08-03-2018, 02:27 PM   #1
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Location: Irvine, CA
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Arrow VIAIR's NEW VIAIR RV Winterization Kit!

VIAIR recently launched our NEW VIAIR RV Winterization Kit! Our new and convenient RV winterization kit (P/N 90145) will protect your RV’s water system from freezing during the long winter months. The kit is to be used with our 400P-RV (P/N 40047) or 450P-RV (P/N 45053) tire inflators. Our easy do-it-yourself winterization kit, when paired with our RV tire inflator, will help avoid costly springtime repairs from damaged water lines due to winter freezes.

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Old 10-03-2018, 08:07 AM   #2
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Join Date: Oct 2018
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viair rv winterization

What PSI is maintained through the water system with this kit combined with the 400P?
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Old 10-05-2018, 12:17 PM   #3
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Location: Irvine, CA
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Hi Jdawz, Please see our instructions below and details in Red about proper PSI.

Blow Out the System w/Compressed Air
1. Disconnect from outside water source.
2. Turn off all power and shut off propane.
3. Bypass your water heater.
4. Open all faucets.
5. Open the system drain valves letting the water empty.
6. Flush the toilet to clear any water from the line.
7. Connect the “blow out plug” to the city water inlet—
not the fresh water tank.
8. Adjust the regulator to no more than 30 psi. (This
helps avoid damaging the water lines.)

9. Connect the blow out plug to the female quick
connect coupler on the regulator.
10. Turn on the compressor and let it run until all water
is blown from the faucets and drain valves.
11. Shut off the air compressor and disconnect the blow
out plug from the water inlet.
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air, winter

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