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Upgraded IC40 Plus EC-523735 Salt Cell, EC-520555 Chlorine Generator | Compatible with Pentair IntelliChlor IC40, Replacement for EC-523735 520555, for Pools Up to 40,000 Gallons, Plug & Play

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Rated3.0(2 ratings)Only 3 left

Good price

$549.99 is 9% below the $609.99 it normally sells for.

Now
$549.99
Normally
$609.99
Lowest in 141 days
$539.99(Nov 6)
Highest
$999.99
Evidence: Strong141 days tracked19 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $549.99. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $649.49 −15%

Against its normal price

−9% vs $609.99

Typical $649.49 (−15%) holds up: today's price is 9% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 141 days · 19 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $609.99
  • 5% or more below normal

How often does it drop below normal?

In the 141 days we've tracked it, this is the first time it has stayed 5% or more below today's normal price for an hour or more. It has been below normal for about 9 days so far.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $549.99

    Forested-shopFulfilled by Amazon · Seller rating 100% of 5

More real deals in Patio & Garden

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0GQNCGY2F
Request
curl https://trackpin.co/api/v1/product/B0GQNCGY2F \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 19:15 UTC
{
  "asin": "B0GQNCGY2F",
  "title": "Upgraded IC40 Plus EC-523735 Salt Cell, EC-520555 Chlorine Generator | Compatible with Pentair IntelliChlor IC40, Replacement for EC-523735 520555, for Pools Up to 40,000 Gallons, Plug & Play",
  "image": "https://m.media-amazon.com/images/I/71deVGfGISL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Lawn & Patio",
  "category_label": "Patio & Garden",
  "in_stock": true,
  "price": {
    "current_cents": 54999,
    "reference_cents": 60999,
    "discount_pct": 9.84,
    "is_deal": true,
    "observed_at": 1794414067840,
    "changed_at": 1794394434810,
    "checked_at": 1794414067840,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 9.84,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $549.99 is 9% below the $609.99 it normally sells for."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 64949,
    "claimed_pct": 15,
    "real_pct": 9.84,
    "class": "holds_up",
    "observed_at": 1794395266878
  },
  "stats": {
    "min_cents": 53999,
    "max_cents": 99999,
    "avg_cents": 71895,
    "history_days": 141,
    "price_levels": 228,
    "price_changes": 19,
    "distinct_prices": 18,
    "lowest_at": 1793932634554
  },
  "history": [
    {
      "price_cents": 62999,
      "from": 1791995513830,
      "to": 1792489727890
    },
    {
      "price_cents": 60999,
      "from": 1792502791222,
      "to": 1793630684575
    },
    {
      "price_cents": 56999,
      "from": 1793634762191,
      "to": 1793913510989
    },
    {
      "price_cents": 53999,
      "from": 1793932634554,
      "to": 1794388484877
    },
    {
      "price_cents": 54999,
      "from": 1794394434810,
      "to": 1794414067840
    }
  ],
  "last_seen": 1794414067840
}
// … 223 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.