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From the manufacturer
Features
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Sanitary Quick Change (SQC) design allows for fast and easy filter cartridge change-outs without contacting and potentially contaminating filter media or using a filter wrench. |
Built-in scale inhibitor technology to help reduce scale buildup in water heaters. |
Scale reduction helps extend the life of dishwashers, water heaters and washing machines. |
Help protect your hot water heater or boiler from scale build-up.
This Aqua-Pure inline system replacement cartridge features scale inhibition technology to reduce scale build-up in valuable equipment.
• Helps inhibit scale buildup in standard and tankless hot water heaters
• Helps extend the life of water using appliances like dishwashers and washing machines
• Helps protect pipes and fixtures from corrosion
• Cartridges are as easy to change out as changing a lightbulb
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| AP430SS | AP902 | AP903 | AP904 | |
| Customer Reviews |
3,286
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447
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882
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868
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| Price | $119.53 | $335.99 | $377.13 | $464.39 |
| Where Located | Water Heater | Point of Entry | Point of Entry | Point of Entry |
| Replacement Cartridge | AP431 | AP910R | AP917HD | AP917HD-S |
| Filter Life | Up to 6 months | Up to 12 months | Up to 12 months | Up to 12 months |
| Micron Rating | N/A | 5 | 5 | 5 |
| Reduces Sediment/Particulates | ✓ | ✓ | ✓ | |
| Reduces Chlorine Taste and Odor | ✓ | ✓ | ||
| Reduces Scale | ✓ | ✓ |
Reviews with images
Don't forget the shutoff valve.
Just installed on new tankless water heater. Notice on photo my plumber installed shutoff on wrong side of filter. This means I'll have to shut water down to house at the street meter to change out filter at 6 month maintenance intervals. Of course, I'm calling plumber back to put another valve in to correct this.
Top reviews from the United States
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Reviewed in the United States on November 13, 2023
Reviewed in the United States on July 11, 2022
I recommend this product.
The water filter system was easy to install, and I am delighted with the results. The water tastes good and is clear. I installed the Aqua-Pure scale inhibition AP430ss inclined to my water heater. In addition, I installed the AP904 whole house water filter with the scale option.
Since the installation of these two products, the house scaling issue has been eliminated. I am also noticing scale deposits are clearing in my dishwasher.
Both products were installed on June 29, 2022. As noted in the attached shower head picture, there is no scaling. Before, it would have been running from each spray.
The one thing that I did and recommend is to drain and flush your hot water tank. Also, make sure you select the filter with the scaling option.
The water filter system was easy to install, and I am delighted with the results. The water tastes good and is clear. I installed the Aqua-Pure scale inhibition AP430ss inclined to my water heater. In addition, I installed the AP904 whole house water filter with the scale option.
Since the installation of these two products, the house scaling issue has been eliminated. I am also noticing scale deposits are clearing in my dishwasher.
Both products were installed on June 29, 2022. As noted in the attached shower head picture, there is no scaling. Before, it would have been running from each spray.
The one thing that I did and recommend is to drain and flush your hot water tank. Also, make sure you select the filter with the scaling option.
Images in this review
Reviewed in the United States on May 9, 2018
It is not a filter. It is a water treatment system.
The stainless steel head is robust and a nice solid chunk of metal. Easily could withstand brazing/soldering, on the spot, with the cartridge off.
The 3/4" NPT inlet and outlet has nearly a clear flow path, so your GPM, will not be reduced. Install a ball or gate valve in front to permit easy cartridge changeouts.
The tee must be orientated to the water flow, use the arrow on the side of the tee, for the water to get treated while flowing.
There is an elevated tab in the tee with a single hole for directing a small portion of the water down into the center whole of the cartridge.
The water slowly dissolves a small amount of food-grade polyphosphate from the beads and, using the venturi effect, the water is then pulled back through the 8 holes in the cartridge perimeter and through the 3 holes in the tee, surrounding the center tab, to mix with the flowing water.
Only 2 to 3 ppm is needed to treat for scale.
From past uses at a different home, I've gotten about 20,000 gallons out of a cartridge with still some beads rattling in the bottom when replacing the cartridge.
I would say that if you used less than 2,000 gallons a month then one cartridge should easily last a year.
The cartridge threads are plastic and you can easily cross-thread them if you get in a hurry replacing the cartridge. Just make sure you get the threads started straight and it screws up with no problems.
The threads do no provide the seal, it is the o-ring so once hand-tight that is tight enough.
Polyphosphate Power! ... Evil Calcium Trembles!
Reviewed in the United States on May 9, 2018
Works with magic and unicorn tears. :o)Reviewed in the United States on May 9, 2018
It is not a filter. It is a water treatment system.
The stainless steel head is robust and a nice solid chunk of metal. Easily could withstand brazing/soldering, on the spot, with the cartridge off.
The 3/4" NPT inlet and outlet has nearly a clear flow path, so your GPM, will not be reduced. Install a ball or gate valve in front to permit easy cartridge changeouts.
The tee must be orientated to the water flow, use the arrow on the side of the tee, for the water to get treated while flowing.
There is an elevated tab in the tee with a single hole for directing a small portion of the water down into the center whole of the cartridge.
The water slowly dissolves a small amount of food-grade polyphosphate from the beads and, using the venturi effect, the water is then pulled back through the 8 holes in the cartridge perimeter and through the 3 holes in the tee, surrounding the center tab, to mix with the flowing water.
Only 2 to 3 ppm is needed to treat for scale.
From past uses at a different home, I've gotten about 20,000 gallons out of a cartridge with still some beads rattling in the bottom when replacing the cartridge.
I would say that if you used less than 2,000 gallons a month then one cartridge should easily last a year.
The cartridge threads are plastic and you can easily cross-thread them if you get in a hurry replacing the cartridge. Just make sure you get the threads started straight and it screws up with no problems.
The threads do no provide the seal, it is the o-ring so once hand-tight that is tight enough.
Images in this review
Top reviews from other countries
Derek Ryder
Just installed, with high hopes
Reviewed in Canada on July 23, 2023
Derek Ryder
Reviewed in Canada on July 23, 2023
I have high hopes for this unit from 3M. It's downsides:
1) It seems very expensive for what you get. There's a metal Tee junction pictured above; it has some very fancy internals. There's a cartridge that you screw onto it. That's it; that's everything in the package. You can buy replacement cartridges for ~$40, so you're paying at least $60 for this metal Tee.
2) The price is highly variable, depending on when you look at it on Amazon. I've seen it as high as $130 and as low as $90 from this supplier.
3) The supplier ships via UPS and half the time, UPS can't find my house (they couldn't for this one). If you reliably get deliveries from UPS, this shouldn't be an issue for you. It was for me.
4) Polyphosphate systems aren't supposed to be able to handle "really hard" water. But there's no indication what the maximum hardness is to install this particular system (and I don't know how to measure the hardness of my water)
The benefits, so far:
1) On day 1, there was a minor odour in my well water, but that went away by day 3.
2) I find softened water "slimy" somehow. This has not affected how soapy my showers are, or how the water feels.
3) In my short time using it, there appears to be a lot less scale forming on things like kettles. But it is early. Scale takes time to deposit and build up. I know how much I have been descaling various things in my house. Call me in 6 months.
4) It's super easy to install (or retrofit). Just make sure you have isolation valves on each side and a drain valve, too, as you need to shut water off around it and depressurize the line to replace the cartridges.
5) It's super quick and simple to change out a cartridge;
6) Replacement cartridges are widely available, and you can even get them from different manufactures, for about $30. I'm happy to spend $60 a year to get rid of scale.
There are other copycat systems available (that use identical cartridges) that are cheaper. Given that what you're really paying for is the metal Tee, maybe they could be considered.
Images in this review
Francisco Fernandez
Librate de las escamas de carbonato de calcio
Reviewed in Mexico on May 21, 2021Ricardo TP
Disminuye dramáticamente formacion de zarro
Reviewed in Mexico on August 10, 2021