Cold Weather Storage
If the watermaker will be exposed to freezing temperatures, it is necessary to introduce antifreeze.
Propylene glycol antifreeze (also known as RV antifreeze or potable water antifreeze) can be used for
cold storage or storage up to 1 year.
❶ Starting with the watermaker off, fill your 5 gallon bucket with propylene glycol antifreeze.
❷ Put the hose labeled “Flush water intake” into the bucket and turn the Sea Water valve to the “Flush
water intake” position (valve should be horizontal).
❸ With the engine at operating RPM, turn on the High Pressure Pump by using the switch on the panel
labeled “H.P. Clutch.”
❹ Watch the brine dump and turn off the High Pressure Pump as soon as you see antifreeze.
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Keep a close watch on the 5 gallon bucket to be sure it does not run dry.
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Depending upon Seawater Lift Pump installation, it may be necessary to drain water from hoses
and lift pump before exposing to freezing temperatures.
Sea Clear Watermakers™ Manual - Version 3-B
Page 15
