Model # AP43010

Internet #100047160

null AP430SS Scale Inhibitor System

AP430SS Scale Inhibitor System

$85.18 /each

Frequently Bought Together

Product Overview

The Aqua-Pure AP430SS Scale Inhibition System helps extend the life of appliances that use hot water (e.g., water heaters - standard and tankless and washing and dishwashing machines), as well as plumbing fixtures (e.g., faucets, pipes and shower heads). Offers a controlled dosage of polyphosphates for maximum system performance and cartridge life (avg. cartridge life is 4-6 months).

California residents: see   Proposition 65 information

  • Easy to install and change-out cartridge
  • Maintains efficiency and helps extends the life of hot water systems
  • Manufactured from FDA CFR-21
  • Suitable for drinking and cooking water and all food application




Warranty / Certifications

More Products With These Features


Customer Questions & Answers

How long does it last?

How will I know when all the pellets are gone and the scale inhibitor cartridge needs replacing?
Asked by: RonC
That depends on how many solids (minerals) you have in your water and how much you use it (how much water flows through it). It's recommended that you replace the cartridge every 6-12 months.
Answered by: Bill
Date published: 2017-03-08

Is this product necessary for a new tankless water heater installation if the home has a water conditioner/softener/deionizer?

I am researching purchasing a tankless water heater. My home has a water deionizer and subsequently no hard water/scale issues with plumbing. I am unaware however, if this holds true with water heaters.
Asked by: USAFPJwidow
Probably not, but I'd check with your conditioner manufacturer/installer. Conventional water softeners use salt which might actually cause buildup in the water heater. This filter is used to remove scale to prolong the life of the heater.
Answered by: Bill
Date published: 2017-03-08

Is it necessary to install this filter when you install a new water tankless heater

Asked by: paiza
If you have a tankless water heater then it will all depend on your water quality, if your water is too hard then it will void your warranty so you would need to test your water if you want to protect the warranty, when you purchase a tankless heater you need to read the detail in the warranty portion, and it will tell you exactly what your limits are, and it tells you in it that if you have a issues with the heater that was caused because of water conditions were out side of their limits they will not be covered
Answered by: howman69
Date published: 2016-12-19

Is there different filters for varied water flow

Asked by: Crat
Not to my knowledge. It's made to attach to the inlet side of the water heater being fed by a conventional household pressure water system.
Answered by: Bill
Date published: 2017-03-08
  • y_2017, m_4, d_24, h_4CST
  • bvseo_bulk, prod_bvqa, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_15
  • loc_, sid_100047160, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 17ms

Customer Reviews

AP430SS Scale Inhibitor System is rated 4.7 out of 5 by 12.
Rated 5 out of 5 by from This unit was recommended to use on the inlet side of a tankless water heater. It install pretty ... This unit was recommended to use on the inlet side of a tankless water heater. It install pretty easily and the cartridge is easily replaceable. It's all metal construction, so more durable than the plastic units you typically see on the shelf. I have two of these units. One was install almost a year ago and seems to be working fine. Only time will tell if it's successful in prolonging the life of the tankless heater. Depending on your water and water use, you need to replace the filter cartridge every 6-12 months.
Date published: 2017-03-08
Rated 5 out of 5 by from Works well with tankless So far, after one month, notice there is no difference in water flow or pressure. Also no scale build up on shower heads.
Date published: 2016-12-27
Rated 5 out of 5 by from Easy to install, durable I purchased this on the recommendation of the tankless water heater manufacturer. It is easy to install if you have plumbing skills and is more durable that the plastic filters they sell.
Date published: 2017-03-06
Rated 5 out of 5 by from Product is fine, but why did you send it in this huge box ? lol Product is fine, but why did you send it in this huge box ? lol
Date published: 2017-01-27
Rated 5 out of 5 by from Good idea Added to tank less water heater. Can now use faucet hot water for tea and other domestic uses
Date published: 2016-09-06
Rated 5 out of 5 by from Highly Recommend I bought on my own and gave to my plumber friend to add to my line if he thought it was worth it. He stated it was a good thing to add to help protect my tank less system. I'll do anything to keep that tank clean and operational, glad Home Depot on-line recommended it when I purchased my tank.
Date published: 2016-02-10
Rated 3 out of 5 by from I hope it works This little filter is supposed to reduce calcium build up from hard water. There is no way to tell if it works and no guarantee to replace anything should it fail and your tankless water heater be destroyed as a result. It has a proprietary threading and hook up so you can't easily put something else in line if it turns out to be useless. As a result, I can't really review it. If it protects my hot water heater then it's a good investment. If it doesn't, it isn't.
Date published: 2016-05-17
Rated 3 out of 5 by from Hot Water System Protector missing information This unit works on a siphon principle and depends on a large volume of water passing trough the 3/4" water line to draw the chemical out of the canister. That fact is not found anywhere in the desciption. Gallons used at the necessary and stated flow rate to canister depletion should be provided in the description.
Date published: 2011-02-21
  • y_2017, m_4, d_24, h_6
  • bvseo_bulk, prod_bvrr, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_12
  • loc_, sid_100047160, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 23ms