Purge Pumps: What You Need to Know Before Buying Yours

Have you ever gone into a home and noticed that it has a musty smell? The smell might be overpowering, or not, but still, there’s something there. Would it surprise you to know that the cause of the smell might actually be something outside your home? If you use an evaporative cooler and don’t frequently change the water, it can develop a stale smell over time. It doesn’t have to be that way. Fix the stale smell with a purge pump.

A purge pump is a useful piece of equipment to have for your evaporative cooler. Not only does it kill the stale smell, but a purge pump can also prevent mineral build-up and slow bacterial growth on your media pads, which will extend their useful life.

Purge pumps are also environmentally friendly. They do not use as much water as a traditional bleed-off kit, making it easy on the environment. Purge pumps save you money!

Some purge pumps are designed for specific models of evaporative coolers. For example, the MasterCool MCP44-PPK is designed only for use in the MCP44/MCP59 window evaporative coolers. The CM120B purge pump is meant for larger evaporative coolers, so it could be a better choice. Check with your local HVAC parts supplier for price and availability. It’s best to know which kind you need before buying one.

So how does it work?

A purge pump dumps a percentage of the water at a pre-determined interval of time, usually every eight hours. This allows fresh water into the system, killing off any murky smells and leaving your cooler clean and your home smelling fresh.

Would you like to know more about purge pumps? Our Customer Service Team would be happy to answer any questions you may have. Give them a call at 800-643-8341. Office hours are Monday through Friday, 7:00 am – 5:30 pm CST.

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