Buy Aqua-Pure AP431 Scale Inhibition Replacement Cartridge, Easy Change

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List Price: $41.38
Sale Price: $31.51
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The first one I tried to screw in, the first thread stripped and I couldn't get it to screw in straight. Be very careful as the threads are soft plastic. So I had to throw that one away and carefully screw in the second one. No idea if this actually does anything. We have a softner/conditioner that does a great job on our well water, but when the plumber installed our hybrid water heater he put this scale filter in as we'll.

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This is a great product and at a great price. This is a simple option for hard water, without all the negatives of water softeners. Basically, instead of dumping a bunch of salt into an expensive water softener twice a year, this product introduces a bit of polyphosphate into the hot water feed, typically before an instant water heater (boiler in our case). The polyphosphate prevents scale buildup on the heat exchanger, which is what a water softener does, at a fraction of the cost, and without the slimy feel of softened water

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the Aqua-Pure cartridge is a necessary ingredient in keeping my instant hot water system working properly.

It's very easy to change and very efficient.

Honest reviews on Aqua-Pure AP431 Scale Inhibition Replacement Cartridge, Easy Change

I ordered 2 cartridges and they were at my home in Canada within 7 days. The best price anywhere is on amazon.com. This water system

Is a must for anyone with a tankless hot water heater. It helps to prevent the build-up of scale inside your unit. $35 is a cheap price to pay every year to maintain your system

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I think this hardwater prevention cartridge works. I have read that it is a must for people who have tankless water heaters, who don't also have water softeners. Personally, I think you should buy a water softner over this device if you can afford it and are okay maintaining it. That said, I am using this device on the water line flowing into my water heater. I also have a hot water filter ) on the outlet side of the water heater to catch the stuff released into the water heater. That filter catches a lot of slimy rust and hardward. The only issue is that I need to change the filter quarterly. However, the aqua-pure seems to last six months. Overall, I think this is a good product, but you have to get it installed or install it yourself. Then, you probably want to filter the other side. I think a water softner (Morton Salt #MSD34C 34M Water Softener Unit) would work better, but this solution is less expensive to purchase and maintain.