North Star NSC31 Water Softener | 31,300-Grain Capacity | AutoSense Salt-Saving Technology | For Homes With 1-5+ Persons | NSF Certified to Reduce Hard Water Scale (NSC3118)
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Great price
$800.77 is 23% below the $1,050.53 it normally sells for, and the lowest we've seen in 110 days.
- Now
- $800.77
- Normally
- $1,050.53
- Lowest in 110 days
- $800.77(Nov 13)
- Highest
- $1,374.87
Where today's price sits
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.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Not checked yetThe listing shows
crossed out: Typical $1,054.16 −24%
We need more price history before we can check this discount.
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 Jul 26 · 110 days · 6 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 23% below its normal price of $1,050.53. North Star NSC31 Water Softener price history, checked Nov 13, 2026: current price $800.77, normal (typical) price $1,050.53, average $1,283.86 over 110 days, lowest $800.77 (Nov 13, 2026), highest $1,374.87 (Oct 13, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $1,050.53
- 5% or more below normal
Other ways to buy
New from
$800.77
Standard Plumbing SupplySeller rating 56% of 426
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B07XJV8NSY \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B07XJV8NSY", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B07XJV8NSY",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B07XJV8NSY",
"title": "North Star NSC31 Water Softener | 31,300-Grain Capacity | AutoSense Salt-Saving Technology | For Homes With 1-5+ Persons | NSF Certified to Reduce Hard Water Scale (NSC3118)",
"image": "https://m.media-amazon.com/images/I/61H5biv9qHL._AC_SL500_.jpg",
"currency": "USD",
"category": "BISS Basic",
"category_label": "Industrial & Scientific",
"in_stock": true,
"price": {
"current_cents": 80077,
"reference_cents": 105053,
"discount_pct": 23.77,
"is_deal": true,
"observed_at": 1794609758595,
"changed_at": 1794607880317,
"checked_at": 1794609758595,
"source": "stored"
},
"verdict": {
"label": "great",
"text": "Great price",
"pct_vs_normal": 23.77,
"evidence": "thin",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Great price. $800.77 is 23% below the $1,050.53 it normally sells for, and the lowest we've seen in 110 days."
},
"listing_claim": {
"label": "Typical:",
"listing_reference_cents": 105416,
"claimed_pct": 24,
"real_pct": 23.77,
"class": "unchecked",
"observed_at": 1794609761998
},
"stats": {
"min_cents": 80077,
"max_cents": 137487,
"avg_cents": 128386,
"history_days": 110,
"price_levels": 23,
"price_changes": 6,
"distinct_prices": 3,
"lowest_at": 1794607880317
},
"history": [
{
"price_cents": 137487,
"from": 1788666471954,
"to": 1788667617263
},
{
"price_cents": 105416,
"from": 1790886362407,
"to": 1791905844996
},
{
"price_cents": 137487,
"from": 1791919377864,
"to": 1793068623574
},
{
"price_cents": 105053,
"from": 1794506200679,
"to": 1794597562150
},
{
"price_cents": 80077,
"from": 1794607880317,
"to": 1794609758595
}
],
"last_seen": 1794609761998
}
// … 18 more steps in the full responseNormal 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.