Question 1

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

Accepted Answer

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

Question 2

Filter included?

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

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

ASIN	B08LPBPVPS
Best Sellers Rank	#21,267 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #37 in Under-Sink & Countertop Filtration
Brand Name	Waterdrop
Compatible Water Purifier Models	3M AP430SS
Customer Reviews	4.2 4.2 out of 5 stars (921)
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-8065S
Number of Items	1
Product Benefits	Inhibits Lime-Scale Growth
Set Name	Single
UPC	840814194058
Unit Count	1 Count

AP431 Whole House Scale Inhibitor with Adapter

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