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Are Your Pumps Ready: Winterizing Pumps

Jun 10, 2022

By webfx

Here’s How to Winterize Your Pumps

Winterizing jet pumpsself-priming lawn pumpscity pressure booster pumps and centrifugal pumps is essential when protecting them from freezing in the winter.  Once the temperature drops below 32 degrees, pumps are at risk of experiencing freeze damage such as a cracked casing.  Luckily, there are 3 easy ways to properly winterize a pump, which saves them from needing replaced in the spring.

A good bet would be to turn off the power supply to the pump.  Next, completely drain all water from the pump by opening the drain plug.  After the water is drained, blow the system out to ensure there is no remaining water anywhere in the pump.

A better bet would be to shut off the power supply, drain the pump entirely, and blow it out.  Then, fill the pump with Food Grade Propylene Glycol to avoid the freezing of any remaining water.  Drain the Propylene Glycol in the spring. Please note: Propylene Glycol is potable; whereas, Ethylene Glycol is extremely poisonous and is deadly to use in freshwater applications.

The best bet – and only guaranteed method – would be to disconnect the pump from power, completely drain the pump of all water, blow it out, and store it in heating through the winter. Additionally, an above ground pump or submersible pump running on a VFD needs to be handled with special care, which means the transducer needs removed prior to system blow out.

Turn Off Power Supply To Your Pump Open A Faucet To Drain Water From The Tank Drain Water From Pump By Opening The Drain Plug On The Bottom Side Of The Pump Housing Before Using Pump Again Replace Drain Plugs And Ma