Will this work mounted on its side, or does it have to be upright?

Dear Tydi, Thank you for your inquiry. Regarding this issue, this whole house scale inline water system can only be installed upright. If you need any further assistance, please feel free to contact us at 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri). Thank you. Kind Regards Mia Lauren Customer Service Rep

Dear customer, Thank you for your inquiry. Regarding this issue, this system includes a filter cartridge and 3/4" NPT inlet/outlet connections. Please contact us at 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri) if you have any other questions. Thank you. Kind Regards, Mia Lauren Customer Service Rep

what is the reason for only installing on the hot water line? Would like to use for entire house, cold water also.

Hi, Thanks for your interest in our AP431 filter product. Please note that this is only designed for cold water line; it is designed to protect water heater placed after it, thank you. If you have contacted us via email but received no reply, please check the Spam/Junk Folder first. Thank you. If you have any other inquiries, please feel free to contact us. 1-888-352-3558 Kind Regards Mia Lauren Customer Service Rep

Are other parts or items needed? Or can you really filter your entire house water with just this? Where do you install it?

Hi, Thanks for your interest in our product. Please note that this is a scale inhibitor. When using this scale inhibition system, we recommend installing a pre-filter as well.You need to install it behind the water meter. https://www.amazon.com/dp/B08XXJSN29/ If you have any other questions, please feel free to contact us. Enjoy the rest of your day! Kind Regards Mia Lauren Customer Service Rep

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Waterdrop AP431 AP430SS Whole House Scale Inhibitor Filter, Heater Softener System, Prevent Scale Build Up On Hot Water Heaters, Pipes and Boilers

Waterdrop AP431 AP430SS Whole House Scale Inhibitor Filter, Heater Softener System, Prevent Scale Build Up On Hot Water Heaters, Pipes and Boilers

Product ID: 313369634

Details

Brand
Waterdrop
External Testing Certification
RoHS
Material
Stainless and
Product Benefits
Inhibits
Product Dimensions
2.5"D x 2.5"W

🔧Durable 304 stainless steel adapter

⚙️10 GPM high flow rate

🛡️Food-grade polyphosphates inhibit scale

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457228Fr

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Description

💧 Protect your home’s water flow and save on costly repairs with smart scale inhibition!

BUILT TO LAST - Premium anti-rust stainless steel construction guarantees durability and long-term performance.
HASSLE FREE MAINTENANCE - Replace cartridges every 6 months with easy installation tips for seamless upkeep.
EFFORTLESS SCALE DEFENSE - Food-grade polyphosphates actively prevent scale buildup, protecting your entire water system.
UNINTERRUPTED WATER FLOW - 3/4" NPT inlet/outlet supports a robust 10 GPM flow rate, ensuring stable water pressure throughout your home.
MAXIMIZED APPLIANCE LIFESPAN - Extend the life of your water heater, dishwasher, and boilers by maintaining peak efficiency.

The Waterdrop AP431 AP430SS Whole House Scale Inhibitor Filter uses food-grade polyphosphates and a durable stainless steel adapter to prevent scale buildup in water heaters, pipes, and boilers. With a high flow rate of 10 GPM and a 6-month cartridge lifespan, it enhances appliance efficiency and longevity while maintaining stable water pressure. Designed for easy installation on cold water supply lines, this system offers a cost-effective, maintenance-friendly solution for whole-home scale prevention.

Specifications

ASIN	B08LPBPVPS
Best Sellers Rank	#30,222 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #49 in Under-Sink & Countertop Filtration
Brand Name	Waterdrop
Customer Reviews	4.3 4.3 out of 5 stars (901)
External Testing Certification	RoHS
Included Components	3/4” NPT inlet/outlet connection, Scale inhibition system *1
Item Dimensions D x W x H	2.5"D x 2.5"W x 12.5"H
Manufacturer	Waterdrop
Manufacturer Part Number	WD-W65
Material Type	Stainless Steel and Food-grade polyphosphates
Model Number	WD-W65
Number of Items	1
Product Benefits	Inhibits Lime-Scale Growth
Set Name	Single
UPC	840814194058
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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457228Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Congo.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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